This commit is contained in:
ldy
2026-03-01 23:18:55 -05:00
commit 67f753a5d1
3087 changed files with 218259 additions and 0 deletions

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<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER">
<attributes>
<attribute name="module" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="src" path="src"/>
<classpathentry kind="output" path="bin"/>
</classpath>

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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>Question1</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
</natures>
</projectDescription>

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eclipse.preferences.version=1
encoding/<project>=UTF-8

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public class Dragonfly extends Insect{
//instance variable
private double length;
private int age;
//constructor
public Dragonfly(String name, double length, int age) {
super(name);
this.length = length;
this.age = age;
}
//methods
public double getLength() {return this.length;}
public int getAge() {return this.age;}
//method override
@Override
public boolean canFly() {return true;}
//test
public static void testDragonfly() {
Dragonfly d = new Dragonfly("Frequent Fly", 20.0, 1);
// getName is inherited from Insect.
System.out.println(d.getName() == "Frequent Fly");
System.out.println(d.getLength() == 20.0);
System.out.println(d.canFly() == true);
}
}

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public class DragonflyNymph extends Dragonfly{
//constructor
public DragonflyNymph() {
super("Baby Dragon", 0.8, 1);
}
//method override
@Override
public boolean canFly() {return false;}
//test
public static void testDragonflyNymph () {
DragonflyNymph dn = new DragonflyNymph();
// getName is inherited from Insect.
System.out.println(dn.getName() == "Baby Dragon");
// getLength is inherited from Dragonfly.System.out.println(dn.getLength() == 0.8);
// getAge is inherited from Dragonfly.
System.out.println(dn.getAge() == 1);
// canFly is from DragonflyNymph itself.
System.out.println(dn.canFly() == false);
}
}

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public class EmperorDragonfly extends Dragonfly{
//constructors
public EmperorDragonfly(String name, double length, int age) {
super(name, length, age);
}
public EmperorDragonfly(String name) {
this(name, 2.0, 3);
}
//test
public static void testEmperorDragonfly() {
// Testing the first constructor.
EmperorDragonfly ed1 = new EmperorDragonfly ("king fly", 3.0,1);
// getName is inherited from Insect.
System.out.println(ed1.getName() == "king fly");
// getLength is inherited from Dragonfly.
System.out.println(ed1.getLength() == 3.0);
// getAge is inherited from Dragonfly.
System.out.println(ed1.getAge() == 1);
// canFly is inherited from Dragonfly.
System.out.println(ed1.canFly() == true);
// Testing the second constructor.
EmperorDragonfly ed2 = new EmperorDragonfly ("green fly");
// getName is inherited from Insect.
System.out.println(ed2.getName() == "green fly");
// getLength is inherited from Dragonfly.
System.out.println(ed2.getLength() == 2.0);
// getAge is inherited from Dragonfly.
System.out.println(ed2.getAge() == 3);
// canFly is inherited from Dragonfly.
System.out.println(ed2.canFly() == true);
}
}

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public class Flee extends Insect{
//constructor
public Flee() {
super("Fleet");
}
//methods override
@Override
public boolean canFly() {return false;}
//test
public static void testFlee() {
Flee f = new Flee();
// getName is inherited from Insect.
System.out.println(f.getName() == "Fleet");
System.out.println(f.canFly() == false); // No message printed.
}
}

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public class Insect {
//instance variable
private String name;
//constructor
public Insect(String name) {
this.name = name;
}
//methods
public String getName() {return this.name;}
public boolean canFly() {
System.out.println("Cannot fly!"); //message
return false;
}
//test
public static void testInsect() {
Insect i = new Insect("some name");
System.out.println(i.getName() == "some name");
System.out.println(i.canFly() == false);
// Message printed too.
}
}

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public class MaleEmperorDragonfly extends EmperorDragonfly{
//constructor
public MaleEmperorDragonfly() {
super("Beautiful", 3.5, 4);
}
//test
public static void testMaleEmperorDragonfly () {
MaleEmperorDragonfly med = new MaleEmperorDragonfly();
// getName is inherited from Insect.
System.out.println(med.getName() == "Beautiful");
// getLength is inherited from EmperorDragonfly.
System.out.println(med.getLength() == 3.5);
// getAge is inherited from EmperorDragonfly.
System.out.println(med.getAge() == 4);
// canFly is inherited from Dragonfly.
System.out.println(med.canFly() == true);
}
}

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public class Start {
public static void main(String[] args) {
Insect.testInsect();
Flee.testFlee();
Dragonfly.testDragonfly();
EmperorDragonfly.testEmperorDragonfly();
MaleEmperorDragonfly.testMaleEmperorDragonfly();
DragonflyNymph.testDragonflyNymph();
}
}