第八周作业

 

Animal.java

public abstract class Animal {     abstract void cry();     abstract void getAnimalName();}
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Dog.java

public class Dog extends Animal {    @Override    void cry() {        // TODO Auto-generated method stub        System.out.println("狗叫");    }    @Override    void getAnimalName() {        // TODO Auto-generated method stub        System.out.println("狗");    }}
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Ｃat.java

public class Cat extends Animal {    @Override    void cry() {        // TODO Auto-generated method stub        System.out.println("猫叫");    }    @Override    void getAnimalName() {        // TODO Auto-generated method stub        System.out.println("猫");    }}
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Simulator.java

public class Simulator { void palySound(Animal animal){     animal.cry();     animal.getAnimalName(); }}
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Test.java

public class Test {    /**     * @param args     */    public static void main(String[] args) {        // TODO Auto-generated method stub        Simulator simulator = new Simulator();        simulator.palySound(new Dog());        simulator.palySound(new Cat());    }}