Restore

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/10/40453ab1abe4001d1e39a9515a312275

@@ -0,0 +1,24 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 80);
+		g.drawLine(90, 10, 70, 20);
+		g.drawLine(30, 70, 10, 80);
+		
+		g.setColor(Color.BLUE);
+		g.drawOval(120, 10, 60, 15);
+		g.drawOval(120, 70, 60, 15);
+		g.drawLine(120, 17, 120, 80);
+		g.drawLine(180, 27, 180, 80);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/13/b09bb3d6d7e4001d1919c85b3a23c580

@@ -0,0 +1,16 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.BLUE);
+		g.drawString("hello",20, 80);
+		g.drawString("hello",
+					(int)Math.round(Math.random() * this.getWidth()),
+					(int)Math.round(Math.random() * this.getHeight()));
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/14/103faec9a5e4001d1e39a9515a312275

@@ -0,0 +1,51 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JPanel p1 = new JPanel();
+		BorderLayout bl = new BorderLayout();
+		p1.setLayout(bl);
+		p1.add(new JButton("b1"), BorderLayout.LINE_START);
+		p1.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		JPanel p2 = new JPanel();
+		FlowLayout f1 = new FlowLayout(FlowLayout.CENTER);
+		p2.setLayout(f1);
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+		
+		JPanel p3 = new JPanel();
+		GridLayout g1 = new GridLayout(2, 2);
+		p3.setLayout(g1);
+		JCheckBox cb = new JCheckBox("I agree");
+		p3.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		p3.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		p3.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		p3.add(cb2);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/14/303ef3baaae4001d1e39a9515a312275

@@ -0,0 +1,14 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(20,20,60,60);
+		g.drawRect(10,10,60,60);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/14/806cff0cabe4001d1e39a9515a312275

@@ -0,0 +1,17 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 80);
+		g.drawLine(90, 10, 70, 10);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/15/5005ae27abe4001d1e39a9515a312275

@@ -0,0 +1,17 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 80);
+		g.drawLine(90, 10, 70, 20);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/15/d0796b31a4e4001d1e39a9515a312275

@@ -0,0 +1,65 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JButton b1 = new JButton("b1");
+		this.add(new JButton("b1"), BorderLayout.LINE_START);
+		JButton b2 = new JButton("b2");
+		this.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l, BorderLayout.LINE_START);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx, BorderLayout.CENTER);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb, BorderLayout.LINE_END);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb, BorderLayout.AFTER_LINE_ENDS);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1, BorderLayout.CENTER);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2, BorderLayout.LINE_END);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/16/c07d17dba5e4001d1e39a9515a312275

@@ -0,0 +1,54 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JPanel p1 = new JPanel();
+		BorderLayout bl = new BorderLayout();
+		p1.setLayout(bl);
+		this.add(p1);
+		p1.add(new JButton("b1"), BorderLayout.LINE_START);
+		p1.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		JPanel p2 = new JPanel();
+		FlowLayout f1 = new FlowLayout(FlowLayout.CENTER);
+		p2.setLayout(f1);
+		this.add(p2);
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+		
+		JPanel p3 = new JPanel();
+		GridLayout g1 = new GridLayout(2, 2);
+		p3.setLayout(g1);
+		//this.add(p3);
+		JCheckBox cb = new JCheckBox("I agree");
+		p3.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		p3.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		p3.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		p3.add(cb2);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/19/00e2e5d6a5e4001d1e39a9515a312275

@@ -0,0 +1,54 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JPanel p1 = new JPanel();
+		BorderLayout bl = new BorderLayout();
+		p1.setLayout(bl);
+		this.add(p1);
+		p1.add(new JButton("b1"), BorderLayout.LINE_START);
+		p1.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		JPanel p2 = new JPanel();
+		FlowLayout f1 = new FlowLayout(FlowLayout.CENTER);
+		p2.setLayout(f1);
+		this.add(p2);
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+		
+		JPanel p3 = new JPanel();
+		GridLayout g1 = new GridLayout(2, 2);
+		p3.setLayout(g1);
+		this.add(p3);
+		JCheckBox cb = new JCheckBox("I agree");
+		p3.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		p3.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		p3.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		p3.add(cb2);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/1a/e00f2705abe4001d1e39a9515a312275

@@ -0,0 +1,16 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 80);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/21/d073c699a5e4001d1e39a9515a312275

@@ -0,0 +1,67 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		//JButton b1 = new JButton("b1");
+		//JButton b2 = new JButton("b2");
+		this.add(new JButton("b1"), BorderLayout.LINE_START);
+		this.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l, BorderLayout.LINE_START);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx, BorderLayout.CENTER);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb, BorderLayout.LINE_END);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb, BorderLayout.AFTER_LINE_ENDS);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1, BorderLayout.CENTER);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2, BorderLayout.LINE_END);
+		//when add more than one component to one of the five areas of the frame, overlap would occurs
+		//when one area does not contain any components, this area would missing
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/27/b0664210a4e4001d1e39a9515a312275

@@ -0,0 +1,65 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		//JButton b1 = new JButton("b1");
+		this.add(new JButton("b1"), BorderLayout.LINE_START);
+		//JButton b2 = new JButton("b2");
+		this.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		//this.add(l, BorderLayout.LINE_START);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx, BorderLayout.CENTER);
+		JCheckBox cb = new JCheckBox("I agree");
+		//this.add(cb, BorderLayout.LINE_END);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb, BorderLayout.AFTER_LINE_ENDS);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1, BorderLayout.CENTER);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2, BorderLayout.LINE_END);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/2a/7005905ba7e4001d1e39a9515a312275

@@ -0,0 +1,56 @@
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		this.setLayout((new FlowLayout(FlowLayout.CENTER));
+		
+		JPanel p1 = new JPanel();
+		p1.setLayout(new BorderLayout());
+		this.add(p1);
+		p1.setBackground(Color.BLUE);
+		p1.add(new JButton("b1"), BorderLayout.LINE_START);
+		p1.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		JPanel p2 = new JPanel();
+		p2.setLayout(new FlowLayout(FlowLayout.CENTER));
+		this.add(p2);
+		p2.setBackground(Color.GREEN);
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+		
+		JPanel p3 = new JPanel();
+		p3.setLayout(new GridLayout(2, 2));
+		this.add(p3);
+		JCheckBox cb = new JCheckBox("I agree");
+		p3.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		p3.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		p3.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		p3.add(cb2);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/2c/70418226a9e4001d1e39a9515a312275

@@ -0,0 +1,4 @@
+
+public class MyPanel {
+
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/2c/a0375597a3e4001d1e39a9515a312275

@@ -0,0 +1,65 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		//JButton b1 = new JButton("b1");
+		this.add(new JButton("b1"), BorderLayout.LINE_START);
+		//JButton b2 = new JButton("b2");
+		this.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l, BorderLayout.LINE_START);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx, BorderLayout.CENTER);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb, BorderLayout.CENTER);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb, BorderLayout.CENTER);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1, BorderLayout.CENTER);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2, BorderLayout.LINE_END);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/3/7036eef0aae4001d1e39a9515a312275

@@ -0,0 +1,15 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/36/c068fef8a6e4001d1e39a9515a312275

@@ -0,0 +1,51 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JPanel p1 = new JPanel();
+		p1.setLayout(new BorderLayout());
+		this.add(p1);
+		p1.add(new JButton("b1"), BorderLayout.LINE_START);
+		p1.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		JPanel p2 = new JPanel();
+		p2.setLayout(new FlowLayout(FlowLayout.CENTER));
+		//this.add(p2);
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+		
+		JPanel p3 = new JPanel();
+		p3.setLayout(new GridLayout(2, 2));
+		//this.add(p3);
+		JCheckBox cb = new JCheckBox("I agree");
+		p3.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		p3.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		p3.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		p3.add(cb2);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/38/c0dab863a1e4001d1e39a9515a312275

@@ -0,0 +1,58 @@
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JButton b1 = new JButton("b1");
+		this.add(b1);
+		JButton b2 = new JButton("b2");
+		this.add(b2);
+		
+		//Only one button appear as Java would detect same button and remove 
+		/* 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/3d/207ff9d6a7e4001d1e39a9515a312275

@@ -0,0 +1,56 @@
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		this.setLayout(new BorderLayout());
+		
+		JPanel p1 = new JPanel();
+		p1.setLayout(new BorderLayout());
+		this.add(p1, BorderLayout.LINE_START);
+		p1.setBackground(Color.BLUE);
+		p1.add(new JButton("b1"), BorderLayout.LINE_START);
+		p1.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		JPanel p2 = new JPanel();
+		p2.setLayout(new FlowLayout(FlowLayout.CENTER));
+		this.add(p2, BorderLayout.CENTER);
+		p2.setBackground(Color.GREEN);
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+		
+		JPanel p3 = new JPanel();
+		p3.setLayout(new GridLayout(2, 2));
+		this.add(p3, BorderLayout.PAGE_END);
+		JCheckBox cb = new JCheckBox("I agree");
+		p3.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		p3.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		p3.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		p3.add(cb2);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/3d/e09c4387a7e4001d1e39a9515a312275

@@ -0,0 +1,56 @@
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		this.setLayout(new GridLayout(5, 1));
+		
+		JPanel p1 = new JPanel();
+		p1.setLayout(new BorderLayout());
+		this.add(p1);
+		p1.setBackground(Color.BLUE);
+		p1.add(new JButton("b1"), BorderLayout.LINE_START);
+		p1.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		JPanel p2 = new JPanel();
+		p2.setLayout(new FlowLayout(FlowLayout.CENTER));
+		this.add(p2);
+		p2.setBackground(Color.GREEN);
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+		
+		JPanel p3 = new JPanel();
+		p3.setLayout(new GridLayout(2, 2));
+		this.add(p3);
+		JCheckBox cb = new JCheckBox("I agree");
+		p3.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		p3.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		p3.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		p3.add(cb2);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/3e/d02f1487a4e4001d1e39a9515a312275

@@ -0,0 +1,65 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		//JButton b1 = new JButton("b1");
+		//JButton b2 = new JButton("b2");
+		this.add(new JButton("b1"), BorderLayout.LINE_START);
+		this.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l, BorderLayout.LINE_START);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx, BorderLayout.CENTER);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb, BorderLayout.LINE_END);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb, BorderLayout.AFTER_LINE_ENDS);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1, BorderLayout.CENTER);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2, BorderLayout.LINE_END);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/41/d0dfa8f8d4e4001d1919c85b3a23c580

@@ -0,0 +1,14 @@
+
+public class Start {
+
+	public static void main(String[] args) {
+		javax.swing.SwingUtilities.invokeLater(new Runnable() {
+			@Override
+			public void run() {
+				new MyFrame();
+				new MyFrame();
+			}
+		});
+	}
+
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/43/e034a684d7e4001d1919c85b3a23c580

@@ -0,0 +1,28 @@
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		this.add(new MyPanel());
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/44/50b4cfababe4001d1e39a9515a312275

@@ -0,0 +1,24 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 80);
+		g.drawLine(90, 10, 70, 20);
+		g.drawLine(30, 70, 10, 80);
+		
+		g.setColor(Color.BLUE);
+		g.drawOval(120, 10, 60, 15);
+		g.drawOval(120, 70, 60, 15);
+		g.drawLine(120, 20, 120, 80);
+		g.drawLine(180, 20, 180, 80);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/45/e004c908a2e4001d1e39a9515a312275

@@ -0,0 +1,57 @@
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JButton b1 = new JButton("b1");
+		this.add(b1);
+		JButton b2 = new JButton("b2");
+		this.add(b2);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/46/a022d1aba5e4001d1e39a9515a312275

@@ -0,0 +1,51 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JPanel p1 = new JPanel();
+		BorderLayout bl = new BorderLayout();
+		p1.setLayout(bl);
+		p1.add(new JButton("b1"), BorderLayout.LINE_START);
+		p1.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		JPanel p2 = new JPanel();
+		FlowLayout f1 = new FlowLayout(FlowLayout.CENTER);
+		p2.setLayout(f1);
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+		
+		JPanel p3 = new JPanel();
+		GridLayout g1 = new GridLayout(2, 2);
+		p3.setLayout(g1);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/47/00431f50abe4001d1e39a9515a312275

@@ -0,0 +1,21 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 80);
+		g.drawLine(90, 10, 70, 20);
+		g.drawLine(30, 70, 10, 80);
+		
+		g.setColor(Color.BLUE);
+		g.drawOval(120, 10, 30, 10);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/49/9099f5bbd7e4001d1919c85b3a23c580

@@ -0,0 +1,16 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.BLUE);
+		//g.drawString("hello",20, 80);
+		g.drawString("hello",
+					(int)Math.round(Math.random() * this.getWidth()),
+					(int)Math.round(Math.random() * this.getHeight()));
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/4b/90f1f425d5e4001d1919c85b3a23c580

@@ -0,0 +1,31 @@
+import java.awt.FlowLayout;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JButton b1 = new JButton("b1");
+		this.add(b1);
+		JButton b2 = new JButton("b2");
+		this.add(b2);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/4e/50ac33e7aae4001d1e39a9515a312275

@@ -0,0 +1,14 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/4f/50e71483a7e4001d1e39a9515a312275

@@ -0,0 +1,56 @@
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		this.setLayout(new GridLayout(3, 2));
+		
+		JPanel p1 = new JPanel();
+		p1.setLayout(new BorderLayout());
+		this.add(p1);
+		p1.setBackground(Color.BLUE);
+		p1.add(new JButton("b1"), BorderLayout.LINE_START);
+		p1.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		JPanel p2 = new JPanel();
+		p2.setLayout(new FlowLayout(FlowLayout.CENTER));
+		this.add(p2);
+		p2.setBackground(Color.GREEN);
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+		
+		JPanel p3 = new JPanel();
+		p3.setLayout(new GridLayout(2, 2));
+		this.add(p3);
+		JCheckBox cb = new JCheckBox("I agree");
+		p3.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		p3.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		p3.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		p3.add(cb2);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/4f/90f924f0d7e4001d1919c85b3a23c580

@@ -0,0 +1,16 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.BLUE);
+		//g.drawString("hello",20, 80);
+		g.drawString("hello",
+					(int)Math.round(Math.random() * this.getWidth()),
+					(int)Math.round(Math.random() * this.getHeight()));
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/50/c07bdd5ca1e4001d1e39a9515a312275

@@ -0,0 +1,58 @@
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JButton b1 = new JButton("b1");
+		this.add(b1);
+		JButton b2 = new JButton("b2");
+		this.add(b2);
+		
+		/* 
+		//Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/54/10a5de68a2e4001d1e39a9515a312275

@@ -0,0 +1,65 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JButton b1 = new JButton("b1");
+		this.add(b1);
+		JButton b2 = new JButton("b2");
+		this.add(b2);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/57/d0b22149a7e4001d1e39a9515a312275

@@ -0,0 +1,56 @@
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		this.setLayout(new GridLayout(3, 1));
+		
+		JPanel p1 = new JPanel();
+		p1.setLayout(new BorderLayout());
+		this.add(p1);
+		p1.setBackground(Color.BLUE);
+		p1.add(new JButton("b1"), BorderLayout.LINE_START);
+		p1.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		JPanel p2 = new JPanel();
+		p2.setLayout(new FlowLayout(FlowLayout.CENTER));
+		this.add(p2);
+		p2.setBackground(Color.GREEN);
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+		
+		JPanel p3 = new JPanel();
+		p3.setLayout(new GridLayout(2, 2));
+		this.add(p3);
+		JCheckBox cb = new JCheckBox("I agree");
+		p3.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		p3.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		p3.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		p3.add(cb2);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/59/60d00a4ca4e4001d1e39a9515a312275

@@ -0,0 +1,65 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		//JButton b1 = new JButton("b1");
+		//JButton b2 = new JButton("b2");
+		this.add(new JButton("b1"), BorderLayout.PAGE_START);
+		this.add(new JButton("b2"), BorderLayout.PAGE_END);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l, BorderLayout.LINE_START);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx, BorderLayout.CENTER);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb, BorderLayout.LINE_END);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb, BorderLayout.AFTER_LINE_ENDS);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1, BorderLayout.CENTER);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2, BorderLayout.LINE_END);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/5b/00513bc7aae4001d1e39a9515a312275

@@ -0,0 +1,14 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(20,20,60,60);
+		g.drawRect(10,30,60,60);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/62/60952346a4e4001d1e39a9515a312275

@@ -0,0 +1,65 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JButton b1 = new JButton("b1");
+		JButton b2 = new JButton("b2");
+		this.add(new JButton("b1"), BorderLayout.LINE_START);
+		this.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l, BorderLayout.LINE_START);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx, BorderLayout.CENTER);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb, BorderLayout.LINE_END);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb, BorderLayout.AFTER_LINE_ENDS);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1, BorderLayout.CENTER);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2, BorderLayout.LINE_END);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/63/70abce33d6e4001d1919c85b3a23c580

@@ -0,0 +1,67 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title");
+		this.setSize(400, 300);
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		this.setLocationRelativeTo(null);
+		
+		//JButton b1 = new JButton("b1");
+		this.add(new JButton("b1"), BorderLayout.LINE_START);
+		//JButton b2 = new JButton("b2");
+		this.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		//the layout did not changed as the components are already parallel-aligned
+		//if set number of rows = 0, it would aligned in one row
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l, BorderLayout.LINE_START);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx, BorderLayout.CENTER);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb, BorderLayout.LINE_END);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb, BorderLayout.AFTER_LINE_ENDS);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1, BorderLayout.CENTER);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2, BorderLayout.LINE_END);
+		//when add more than one component to one of the five areas of the frame, overlap would occurs
+		//when one area does not contain any components, this area would missing
+		
+		this.setVisible(true);
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/68/b05a8f48a3e4001d1e39a9515a312275

@@ -0,0 +1,65 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		//JButton b1 = new JButton("b1");
+		this.add(new JButton("b1"), BorderLayout.LINE_START);
+		//JButton b2 = new JButton("b2");
+		this.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/69/e072bdcaaae4001d1e39a9515a312275

@@ -0,0 +1,14 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,30,60,60);
+		g.drawRect(10,30,60,60);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/6c/c0257080aae4001d1e39a9515a312275

@@ -0,0 +1,16 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.BLUE);
+		//g.drawString("hello",20, 80);
+		g.drawString("hello",
+					(int)Math.round(Math.random() * this.getWidth()),
+					(int)Math.round(Math.random() * this.getHeight()));
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/70/30a9e7a8a3e4001d1e39a9515a312275

@@ -0,0 +1,65 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		//JButton b1 = new JButton("b1");
+		this.add(new JButton("b1"), BorderLayout.LINE_START);
+		//JButton b2 = new JButton("b2");
+		this.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l, BorderLayout.LINE_START);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx, BorderLayout.CENTER);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb, BorderLayout.LINE_END);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb, BorderLayout.AFTER_LINE_ENDS);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1, BorderLayout.CENTER);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2, BorderLayout.LINE_END);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/76/400c371aa7e4001d1e39a9515a312275

@@ -0,0 +1,53 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		this.setLayout(new GridLayout(3, 1));
+		
+		JPanel p1 = new JPanel();
+		p1.setLayout(new BorderLayout());
+		this.add(p1);
+		p1.add(new JButton("b1"), BorderLayout.LINE_START);
+		p1.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		JPanel p2 = new JPanel();
+		p2.setLayout(new FlowLayout(FlowLayout.CENTER));
+		this.add(p2);
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+		
+		JPanel p3 = new JPanel();
+		p3.setLayout(new GridLayout(2, 2));
+		this.add(p3);
+		JCheckBox cb = new JCheckBox("I agree");
+		p3.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		p3.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		p3.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		p3.add(cb2);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/78/e0304eafa4e4001d1e39a9515a312275

@@ -0,0 +1,66 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		//JButton b1 = new JButton("b1");
+		//JButton b2 = new JButton("b2");
+		this.add(new JButton("b1"), BorderLayout.LINE_START);
+		//this.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l, BorderLayout.LINE_START);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx, BorderLayout.CENTER);
+		JCheckBox cb = new JCheckBox("I agree");
+		//this.add(cb, BorderLayout.LINE_END);
+		JRadioButton rb = new JRadioButton("Yes");
+		//this.add(rb, BorderLayout.AFTER_LINE_ENDS);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1, BorderLayout.CENTER);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		//this.add(cb2, BorderLayout.LINE_END);
+		//when add more than one component to one of the five areas of the frame, overlap would occurs
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/7a/8025567aabe4001d1e39a9515a312275

@@ -0,0 +1,23 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 80);
+		g.drawLine(90, 10, 70, 20);
+		g.drawLine(30, 70, 10, 80);
+		
+		g.setColor(Color.BLUE);
+		g.drawOval(120, 10, 60, 15);
+		g.drawOval(120, 70, 60, 15);
+		g.drawLine(120, 10, 120, 70);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/7b/70293db8abe4001d1e39a9515a312275

@@ -0,0 +1,24 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 80);
+		g.drawLine(90, 10, 70, 20);
+		g.drawLine(30, 70, 10, 80);
+		
+		g.setColor(Color.BLUE);
+		g.drawOval(120, 10, 60, 15);
+		g.drawOval(120, 70, 60, 15);
+		g.drawLine(120, 17, 120, 77);
+		g.drawLine(180, 27, 180, 80);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/80/50901e8babe4001d1e39a9515a312275

@@ -0,0 +1,23 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 80);
+		g.drawLine(90, 10, 70, 20);
+		g.drawLine(30, 70, 10, 80);
+		
+		g.setColor(Color.BLUE);
+		g.drawOval(120, 10, 60, 15);
+		g.drawOval(120, 70, 60, 15);
+		g.drawLine(120, 15, 120, 75);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/83/c03f1978a9e4001d1e39a9515a312275

@@ -0,0 +1,56 @@
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		this.setLayout(new BorderLayout());
+		
+		JPanel p1 = new JPanel();
+		p1.setLayout(new BorderLayout());
+		this.add(p1, BorderLayout.PAGE_START);
+		p1.setBackground(Color.BLUE);
+		p1.add(new JButton("b1"), BorderLayout.LINE_START);
+		p1.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		JPanel p2 = new JPanel();
+		p2.setLayout(new FlowLayout(FlowLayout.CENTER));
+		this.add(p2, BorderLayout.CENTER);
+		p2.setBackground(Color.GREEN);
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+		
+		JPanel p3 = new JPanel();
+		p3.setLayout(new GridLayout(2, 2));
+		this.add(p3, BorderLayout.PAGE_END);
+		JCheckBox cb = new JCheckBox("I agree");
+		p3.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		p3.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		p3.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		p3.add(cb2);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/85/5063bbc1aae4001d1e39a9515a312275

@@ -0,0 +1,14 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(20,20,60,60);
+		g.drawRect(10,40,60,60);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/87/00ab61d3aae4001d1e39a9515a312275

@@ -0,0 +1,14 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,30,60,60);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/8b/c0f67f76d8e4001d1919c85b3a23c580

@@ -0,0 +1,24 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 80);
+		g.drawLine(90, 10, 70, 20);
+		g.drawLine(30, 70, 10, 80);
+		
+		g.setColor(Color.BLUE);
+		g.drawOval(120, 10, 60, 15);
+		g.drawOval(120, 70, 60, 15);
+		g.drawLine(120, 17, 120, 77);
+		g.drawLine(180, 17, 180, 77);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/8f/b044dd05a4e4001d1e39a9515a312275

@@ -0,0 +1,65 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		//JButton b1 = new JButton("b1");
+		this.add(new JButton("b1"), BorderLayout.LINE_START);
+		//JButton b2 = new JButton("b2");
+		this.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l, BorderLayout.LINE_START);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx, BorderLayout.CENTER);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb, BorderLayout.LINE_END);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb, BorderLayout.AFTER_LINE_ENDS);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1, BorderLayout.CENTER);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2, BorderLayout.LINE_END);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/92/20f4610fd8e4001d1919c85b3a23c580

@@ -0,0 +1,28 @@
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		this.add(new MyPanel());
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/98/c04d0398aae4001d1e39a9515a312275

@@ -0,0 +1,13 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(10,10,10,10);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/99/80ad96c9a7e4001d1e39a9515a312275

@@ -0,0 +1,56 @@
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		this.setLayout(new GridLayout(3, 1));
+		
+		JPanel p1 = new JPanel();
+		p1.setLayout(new BorderLayout());
+		this.add(p1);
+		p1.setBackground(Color.BLUE);
+		p1.add(new JButton("b1"), BorderLayout.LINE_START);
+		p1.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		JPanel p2 = new JPanel();
+		p2.setLayout(new FlowLayout(FlowLayout.CENTER));
+		this.add(p2);
+		p2.setBackground(Color.GREEN);
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+		
+		JPanel p3 = new JPanel();
+		p3.setLayout(new GridLayout(2, 2));
+		this.add(p3);
+		JCheckBox cb = new JCheckBox("I agree");
+		p3.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		p3.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		p3.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		p3.add(cb2);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/99/d07214b7a9e4001d1e39a9515a312275

@@ -0,0 +1,16 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.BLUE);
+		//g.drawString("hello",20, 80);
+		g.drawString("hello",
+				(int)Math.round(Math.random() * this.getWidth()),
+				(int)Math.round(Math.random() * this.getHeight()));
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/9f/106ab0a0abe4001d1e39a9515a312275

@@ -0,0 +1,24 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 80);
+		g.drawLine(90, 10, 70, 20);
+		g.drawLine(30, 70, 10, 80);
+		
+		g.setColor(Color.BLUE);
+		g.drawOval(120, 10, 60, 15);
+		g.drawOval(120, 70, 60, 15);
+		g.drawLine(120, 20, 120, 80);
+		g.drawLine(120, 80, 120, 80);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/a/500306cdaae4001d1e39a9515a312275

@@ -0,0 +1,14 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,20,60,60);
+		g.drawRect(10,30,60,60);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/a/5084b249abe4001d1e39a9515a312275

@@ -0,0 +1,18 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 80);
+		g.drawLine(90, 10, 70, 20);
+		g.drawLine(30, 70, 10, 80);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/a0/00d76e1cabe4001d1e39a9515a312275

@@ -0,0 +1,17 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 80);
+		//g.drawLine(90, 10, 70, 10);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/a2/d0162d5dabe4001d1e39a9515a312275

@@ -0,0 +1,21 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 80);
+		g.drawLine(90, 10, 70, 20);
+		g.drawLine(30, 70, 10, 80);
+		
+		g.setColor(Color.BLUE);
+		g.drawOval(120, 10, 60, 15);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/a7/604ddfffa3e4001d1e39a9515a312275

@@ -0,0 +1,65 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		//JButton b1 = new JButton("b1");
+		this.add(new JButton("b1"), BorderLayout.LINE_START);
+		//JButton b2 = new JButton("b2");
+		this.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l, BorderLayout.AFTER_LINE_ENDS);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx, BorderLayout.CENTER);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb, BorderLayout.LINE_END);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb, BorderLayout.AFTER_LINE_ENDS);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1, BorderLayout.CENTER);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2, BorderLayout.LINE_END);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/ad/30d6679aa0e4001d1e39a9515a312275

@@ -0,0 +1,51 @@
+import java.awt.FlowLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JButton b1 = new JButton("b1");
+		this.add(b1);
+		JButton b2 = new JButton("b2");
+		this.add(b2);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/b1/0063255ad5e4001d1919c85b3a23c580

@@ -0,0 +1,31 @@
+import java.awt.FlowLayout;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title");
+		this.setSize(400, 300);
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		this.setLocationRelativeTo(null);
+		
+		JButton b1 = new JButton("b1");
+		this.add(b1);
+		JButton b2 = new JButton("b2");
+		this.add(b2);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/b9/60757954abe4001d1e39a9515a312275

@@ -0,0 +1,21 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 80);
+		g.drawLine(90, 10, 70, 20);
+		g.drawLine(30, 70, 10, 80);
+		
+		g.setColor(Color.BLUE);
+		g.drawOval(120, 10, 60, 20);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/bd/00718812a2e4001d1e39a9515a312275

@@ -0,0 +1,65 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JButton b1 = new JButton("b1");
+		this.add(b1);
+		JButton b2 = new JButton("b2");
+		this.add(b2);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		
+		BorderLayout b1 = new BorderLayout();
+		this.setLayout(b1);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/be/409988fbaae4001d1e39a9515a312275

@@ -0,0 +1,16 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 90);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/be/509d5caaa0e4001d1e39a9515a312275

@@ -0,0 +1,57 @@
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JButton b1 = new JButton("b1");
+		this.add(b1);
+		JButton b2 = new JButton("b2");
+		this.add(b2);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		GridLayout g1 = new GridLayout();
+		this.setLayout(g1);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/be/a09b65b3a9e4001d1e39a9515a312275

@@ -0,0 +1,13 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.BLUE);
+		g.drawString("hello",20, 80);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/bf/4035d7baabe4001d1e39a9515a312275

@@ -0,0 +1,24 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 80);
+		g.drawLine(90, 10, 70, 20);
+		g.drawLine(30, 70, 10, 80);
+		
+		g.setColor(Color.BLUE);
+		g.drawOval(120, 10, 60, 15);
+		g.drawOval(120, 70, 60, 15);
+		g.drawLine(120, 17, 120, 77);
+		g.drawLine(180, 27, 180, 77);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/bf/b0febb9daae4001d1e39a9515a312275

@@ -0,0 +1,13 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(10,10,100,100);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/c0/703b8996abe4001d1e39a9515a312275

@@ -0,0 +1,23 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 80);
+		g.drawLine(90, 10, 70, 20);
+		g.drawLine(30, 70, 10, 80);
+		
+		g.setColor(Color.BLUE);
+		g.drawOval(120, 10, 60, 15);
+		g.drawOval(120, 70, 60, 15);
+		g.drawLine(120, 20, 120, 80);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/c2/30fbb1fda5e4001d1e39a9515a312275

@@ -0,0 +1,54 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JPanel p1 = new JPanel();
+		BorderLayout bl = new BorderLayout();
+		p1.setLayout(bl);
+		this.add(p1);
+		p1.add(new JButton("b1"), BorderLayout.LINE_START);
+		p1.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		JPanel p2 = new JPanel();
+		FlowLayout f1 = new FlowLayout(FlowLayout.CENTER);
+		p2.setLayout(f1);
+		this.add(p2);
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+		
+		JPanel p3 = new JPanel();
+		GridLayout g1 = new GridLayout(2, 2);
+		p3.setLayout(g1);
+		this.add(p3);
+		JCheckBox cb = new JCheckBox("I agree");
+		p3.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		p3.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		p3.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		p3.add(cb2);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/c5/10ba23d0d6e4001d1919c85b3a23c580

@@ -0,0 +1,56 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title");
+		this.setSize(400, 300);
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		this.setLocationRelativeTo(null);
+		
+		//JButton b1 = new JButton("b1");
+		this.add(new JButton("b1"), BorderLayout.LINE_START);
+		//JButton b2 = new JButton("b2");
+		this.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		//the layout did not changed as the components are already parallel-aligned
+		//if set number of rows = 0, it would auto ask new lines w.r.t. number of columns
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l, BorderLayout.LINE_START);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx, BorderLayout.CENTER);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb, BorderLayout.LINE_END);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb, BorderLayout.AFTER_LINE_ENDS);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1, BorderLayout.CENTER);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2, BorderLayout.LINE_END);
+		//when add more than one component to one of the five areas of the frame, overlap would occurs
+		//when one area does not contain any components, this area would missing
+		
+		this.setVisible(true);
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/c5/b0839d54a1e4001d1e39a9515a312275

@@ -0,0 +1,57 @@
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JButton b1 = new JButton("b1");
+		this.add(b1);
+		JButton b2 = new JButton("b2");
+		this.add(b2);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/c7/40f11dbeaae4001d1e39a9515a312275

@@ -0,0 +1,14 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(20,20,60,60);
+		g.drawRect(10,30,60,60);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/c9/50488820d6e4001d1919c85b3a23c580

@@ -0,0 +1,67 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		//JButton b1 = new JButton("b1");
+		//JButton b2 = new JButton("b2");
+		this.add(new JButton("b1"), BorderLayout.LINE_START);
+		this.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l, BorderLayout.LINE_START);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx, BorderLayout.CENTER);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb, BorderLayout.LINE_END);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb, BorderLayout.AFTER_LINE_ENDS);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1, BorderLayout.CENTER);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2, BorderLayout.LINE_END);
+		//when add more than one component to one of the five areas of the frame, overlap would occurs
+		//when one area does not contain any components, this area would missing
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/cc/c00f382aa4e4001d1e39a9515a312275

@@ -0,0 +1,65 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		//JButton b1 = new JButton("b1");
+		this.add(new JButton("b1"), BorderLayout.LINE_START);
+		//JButton b2 = new JButton("b2");
+		this.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l, BorderLayout.LINE_START);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx, BorderLayout.CENTER);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb, BorderLayout.LINE_END);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb, BorderLayout.AFTER_LINE_ENDS);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1, BorderLayout.CENTER);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2, BorderLayout.LINE_END);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/d/d0588a3aa7e4001d1e39a9515a312275

@@ -0,0 +1,56 @@
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		this.setLayout(new GridLayout(3, 1));
+		
+		JPanel p1 = new JPanel();
+		p1.setLayout(new BorderLayout());
+		this.add(p1);
+		p1.setBackground(Color.BLUE);
+		p1.add(new JButton("b1"), BorderLayout.LINE_START);
+		p1.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		JPanel p2 = new JPanel();
+		p2.setLayout(new FlowLayout(FlowLayout.CENTER));
+		this.add(p2);
+		p2.setBackground(Color.GREEN);
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+		
+		JPanel p3 = new JPanel();
+		p3.setLayout(new GridLayout(2, 2));
+		this.add(p3);
+		JCheckBox cb = new JCheckBox("I agree");
+		p3.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		p3.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		p3.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		p3.add(cb2);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/d3/0028b921a6e4001d1e39a9515a312275

@@ -0,0 +1,51 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JPanel p1 = new JPanel();
+		p1.setLayout(new BorderLayout());
+		this.add(p1);
+		p1.add(new JButton("b1"), BorderLayout.LINE_START);
+		p1.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		JPanel p2 = new JPanel();
+		p2.setLayout(new FlowLayout(FlowLayout.CENTER));
+		this.add(p2);
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+		
+		JPanel p3 = new JPanel();
+		p3.setLayout(new GridLayout(2, 2));
+		this.add(p3);
+		JCheckBox cb = new JCheckBox("I agree");
+		p3.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		p3.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		p3.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		p3.add(cb2);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/d4/a02f2682a9e4001d1e39a9515a312275

@@ -0,0 +1,13 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawString("hello",20, 80);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/d7/40eb0dacaae4001d1e39a9515a312275

@@ -0,0 +1,13 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(50,50,60,60);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/d8/205562f4d7e4001d1919c85b3a23c580

@@ -0,0 +1,16 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		//g.setColor(Color.BLUE);
+		//g.drawString("hello",20, 80);
+		g.drawString("hello",
+					(int)Math.round(Math.random() * this.getWidth()),
+					(int)Math.round(Math.random() * this.getHeight()));
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/da/e09ed27da7e4001d1e39a9515a312275

@@ -0,0 +1,56 @@
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		this.setLayout(new FlowLayout(FlowLayout.CENTER));
+		
+		JPanel p1 = new JPanel();
+		p1.setLayout(new BorderLayout());
+		this.add(p1);
+		p1.setBackground(Color.BLUE);
+		p1.add(new JButton("b1"), BorderLayout.LINE_START);
+		p1.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		JPanel p2 = new JPanel();
+		p2.setLayout(new FlowLayout(FlowLayout.CENTER));
+		this.add(p2);
+		p2.setBackground(Color.GREEN);
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+		
+		JPanel p3 = new JPanel();
+		p3.setLayout(new GridLayout(2, 2));
+		this.add(p3);
+		JCheckBox cb = new JCheckBox("I agree");
+		p3.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		p3.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		p3.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		p3.add(cb2);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/e6/b072e4a1aae4001d1e39a9515a312275

@@ -0,0 +1,13 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(10,10,60,60);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/e9/209098ead4e4001d1919c85b3a23c580

@@ -0,0 +1,13 @@
+
+public class Start {
+
+	public static void main(String[] args) {
+		javax.swing.SwingUtilities.invokeLater(new Runnable() {
+			@Override
+			public void run() {
+				new MyFrame();
+			}
+		});
+	}
+
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/e9/80cc58afd6e4001d1919c85b3a23c580

@@ -0,0 +1,56 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title");
+		this.setSize(400, 300);
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		this.setLocationRelativeTo(null);
+		
+		//JButton b1 = new JButton("b1");
+		this.add(new JButton("b1"), BorderLayout.LINE_START);
+		//JButton b2 = new JButton("b2");
+		this.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		//the layout did not changed as the components are already parallel-aligned
+		//if set number of rows = 0, it would aligned in one row
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l, BorderLayout.LINE_START);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx, BorderLayout.CENTER);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb, BorderLayout.LINE_END);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb, BorderLayout.AFTER_LINE_ENDS);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1, BorderLayout.CENTER);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2, BorderLayout.LINE_END);
+		//when add more than one component to one of the five areas of the frame, overlap would occurs
+		//when one area does not contain any components, this area would missing
+		
+		this.setVisible(true);
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/ec/c0b7d3cda3e4001d1e39a9515a312275

@@ -0,0 +1,65 @@
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		//JButton b1 = new JButton("b1");
+		this.add(new JButton("b1"), BorderLayout.LINE_START);
+		//JButton b2 = new JButton("b2");
+		this.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		/* Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		/*
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		*/
+		//the program presents in 4*2 layout
+		//the program did not use the specified  rows and columns, because the lack numbers of components
+		
+		BorderLayout bl = new BorderLayout();
+		this.setLayout(bl);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l, BorderLayout.PAGE_START);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx, BorderLayout.CENTER);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb, BorderLayout.LINE_END);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb, BorderLayout.AFTER_LINE_ENDS);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1, BorderLayout.CENTER);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2, BorderLayout.LINE_END);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/f/00384c61d7e4001d1919c85b3a23c580

@@ -0,0 +1,56 @@
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		this.setLayout(new BorderLayout());
+		
+		JPanel p1 = new JPanel();
+		p1.setLayout(new BorderLayout());
+		this.add(p1, BorderLayout.PAGE_START);
+		p1.setBackground(Color.BLUE);
+		p1.add(new JButton("b1"), BorderLayout.LINE_START);
+		p1.add(new JButton("b2"), BorderLayout.LINE_END);
+		
+		JPanel p2 = new JPanel();
+		p2.setLayout(new FlowLayout(FlowLayout.CENTER));
+		this.add(p2, BorderLayout.CENTER);
+		p2.setBackground(Color.GREEN);
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+		
+		JPanel p3 = new JPanel();
+		p3.setLayout(new GridLayout(2, 2));
+		this.add(p3, BorderLayout.PAGE_END);
+		JCheckBox cb = new JCheckBox("I agree");
+		p3.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		p3.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		p3.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		p3.add(cb2);
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/f/60d95573abe4001d1e39a9515a312275

@@ -0,0 +1,22 @@
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel{
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		g.setColor(Color.RED);
+		g.drawRect(30,10,60,60);
+		g.drawRect(10,20,60,60);
+		g.drawLine(30, 10, 10, 20);
+		g.drawLine(90, 70, 70, 80);
+		g.drawLine(90, 10, 70, 20);
+		g.drawLine(30, 70, 10, 80);
+		
+		g.setColor(Color.BLUE);
+		g.drawOval(120, 10, 60, 15);
+		g.drawOval(120, 70, 60, 15);
+	}
+}

Labs/Lab10/Lab10_2230026071/.metadata/.plugins/org.eclipse.core.resources/.history/fd/309b586ba1e4001d1e39a9515a312275

@@ -0,0 +1,58 @@
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+public class MyFrame extends JFrame{
+	//constructor
+	public MyFrame() {
+		this.setTitle("MyFrame Title"); //if comment out, the title would be blank
+		this.setSize(400, 300); //if comment out, the initiated size would be 0
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //if comment out, the program would still running after clicked close button
+		this.setLocationRelativeTo(null); //if comment out, the frame would appear at (0, 0)
+		
+		JButton b1 = new JButton("b1");
+		this.add(b1);
+		JButton b2 = new JButton("b2");
+		this.add(b2);
+		
+		/* 
+		 * Only one button appear as Java would detect same button and remove 
+		JButton b = new JButton("B1");
+		this.add(b);
+		this.add(b);
+		*/
+		
+		/*
+		FlowLayout f1 = new FlowLayout(FlowLayout.LEFT, 20, 40);
+		this.setLayout(f1);
+		*/
+		
+		GridLayout g1 = new GridLayout(5, 5);
+		this.setLayout(g1);
+		
+		JLabel l = new JLabel("Enter your name: ");
+		this.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		this.add(tx);
+		JCheckBox cb = new JCheckBox("I agree");
+		this.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		this.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[]{"Red", "Green", "Blue"});
+		this.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[]{2, 7, -3, 24});
+		this.add(cb2);
+		
+		//when stretching the window, the components would realign to one row if space permits
+		
+		this.setVisible(true); //if comment out, the window would not be visible
+	}
+	
+}