Java基于接口实现模拟动物声音代码实例

(1)编写接口Animal (Animal.java)

public interface Animal{ public abstract void cry(); public abstract String getAnimalName();}

(2)编写模拟类Simulator (Simulator.java)

public class Simulator { public void playSound(Animal animal) { System.out.print('正在播放模拟' + animal.getAnimalName() +'的声音：'); animal.cry(); }}

(3)编写Dog类和Cat类 (Dog.java、Cat.java)

Dog类：

public class Dog implements Animal{ public void cry(){ System.out.println('汪汪汪'); } public String getAnimalName(){ return '狗'; }}

Cat类：

public class Cat implements Animal{ public void cry(){ System.out.println('喵喵喵'); } public String getAnimalName(){ return '猫'; }}

(4)编写主类Application (Application.java)

public class Application{ public static void main(String[] args) { Simulator simulator = new Simulator(); simulator.playSound(new Dog()); simulator.playSound(new Cat()); }}

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