(1)編寫介面Animal (Animal.java)

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

(2)編寫模擬類Simulator (Simulator.java)

public class Simulator {
  public void playSound(Animal animal) {
    System.out.print("正在播放模擬" + animal.getAnimalName() +"的聲音：");
    animal.cry();
  }
}

(3)編寫Dog類和Cat類 (Dog.java、Cat.java)

Dog類：

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

Cat類：

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

(4)編寫主類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內容，希望對大家的學習有所幫助，也希望大家多多支援我們。