(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()); }}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。