a3 part 2

assignment3/EuropeanRabbit.java

@@ -0,0 +1,43 @@
+/*
+ * Author: CHEN Yongyuan (Walter) 1930006025 from OOP(1007)
+ * Date: 2022-04-11
+ * Description: European rabbit
+ */
+
+public class EuropeanRabbit extends Rabbit {
+	/**
+	 * Constructor.
+	 *
+	 * @param name   The name of the Rabbit.
+	 * @param weight The weight of the Rabbit.
+	 */
+	public EuropeanRabbit(String name, double weight) {
+		super(name, weight);
+	}
+
+	/**
+	 * Constructor. With default weight 2.0
+	 *
+	 * @param name The name of the Rabbit.
+	 */
+	public EuropeanRabbit(String name) {
+		this(name, 2.0);
+	}
+
+	/**
+	 * Test.
+	 */
+	public static void testEuropeanRabbit() {
+		// test first constructor
+		Rabbit rabbit = new EuropeanRabbit("Bugs Bunny");
+		System.out.println(rabbit.getName() == "Bugs Bunny");
+		System.out.println(rabbit.getWeight() == 2.0);
+		System.out.println(rabbit.isCookable() == true);
+
+		// test second constructor
+		Rabbit rabbit2 = new EuropeanRabbit("Daffy Duck", 3.0);
+		System.out.println(rabbit2.getName() == "Daffy Duck");
+		System.out.println(rabbit2.getWeight() == 3.0);
+		System.out.println(rabbit2.isCookable() == true);
+	}
+}

assignment3/FrankTheRabbit.java

@@ -0,0 +1,36 @@
+/*
+ * Author: CHEN Yongyuan (Walter) 1930006025 from OOP(1007)
+ * Date: 2022-04-11
+ * Description: European rabbit
+ */
+
+public class FrankTheRabbit extends Rabbit {
+	/**
+	 * Constructor.
+	 *
+	 * With name "Frank" and weight of 100.0
+	 */
+	public FrankTheRabbit() {
+		super("Frank", 100.0);
+	}
+
+	/**
+	 * Frank rabbit can not be cooked.
+	 *
+	 * @return false
+	 */
+	@Override
+	public boolean isCookable() {
+		return false;
+	}
+
+	/**
+	 * Test.
+	 */
+	public static void testFrankTheRabbit() {
+		FrankTheRabbit frank = new FrankTheRabbit();
+		System.out.println(frank.getName() == "Frank");
+		System.out.println(frank.getWeight() == 100.0);
+		System.out.println(frank.isCookable() == false);
+	}
+}

assignment3/Human.java

@@ -29,5 +29,8 @@ public class Human extends Mammal {
 	 * Test.
 	 */
 	public static void testHuman() {
+		Human human = new Human();
+		System.out.println(human.getName() == "Alice");
+		System.out.println(human.isCookable() == false);
 	}
 }

assignment3/LapinSauteChasseur.java

@@ -0,0 +1,26 @@
+/*
+ * Author: CHEN Yongyuan (Walter) 1930006025 from OOP(1007)
+ * Date: 2022-04-11
+ * Description: Lapin Saute Chasseur
+ */
+
+public class LapinSauteChasseur extends EuropeanRabbit {
+	/**
+	 * Constructor.
+	 *
+	 * With name "Delicious" and has a weight of 0.5
+	 */
+	public LapinSauteChasseur() {
+		super("Delicious", 0.5);
+	}
+
+	/**
+	 * Test.
+	 */
+	public static void testLapinSauteChasseur() {
+		LapinSauteChasseur rabbit = new LapinSauteChasseur();
+		System.out.println(rabbit.getName() == "Delicious");
+		System.out.println(rabbit.getWeight() == 0.5);
+		System.out.println(rabbit.isCookable() == true);
+	}
+}

assignment3/Rabbit.java

@@ -0,0 +1,54 @@
+/*
+ * Author: CHEN Yongyuan (Walter) 1930006025 from OOP(1007)
+ * Date: 2022-04-11
+ * Description: Rabbit class
+ */
+
+public class Rabbit extends Mammal {
+	/**
+	 * The weight of the rabbit.
+	 */
+	private double weight;
+
+	/**
+	 * Getter for the weight of the rabbit.
+	 *
+	 * @return the weight of the rabbit
+	 */
+	public double getWeight() {
+		return weight;
+	}
+
+	/**
+	 * Constructor.
+	 *
+	 * @param name
+	 * 	  the name of the rabbit
+	 * @param weight
+	 * 	  the weight of the rabbit
+	 */
+	public Rabbit(String name, double weight) {
+		super(name);
+		this.weight = weight;
+	}
+
+	/**
+	 * Rabbit can be cooked.
+	 *
+	 * return true
+	 */
+	@Override
+	public boolean isCookable() {
+		return true;
+	}
+
+	/**
+	 * Test.
+	 */
+	public static void testRabbit() {
+		Rabbit rabbit = new Rabbit("Rabbit", 1.0);
+		System.out.println(rabbit.getName() == "Rabbit");
+		System.out.println(rabbit.getWeight() == 1.0);
+		System.out.println(rabbit.isCookable() == true);
+	}
+}

assignment3/Start.java

@@ -1,5 +1,10 @@
 public class Start {
 	public static void main(String[] args) {
 		Mammal.testMammal();
+		Human.testHuman();
+		Rabbit.testRabbit();
+		EuropeanRabbit.testEuropeanRabbit();
+		LapinSauteChasseur.testLapinSauteChasseur();
+		FrankTheRabbit.testFrankTheRabbit();
 	}
 }