时间:2020-11-15 13:20:13 | 栏目:JAVA代码 | 点击:次
(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()); } }