Java-动物声音

public class Simulator {
	public void playSound(Animal animal){
		System.out.println("现在播放的是"+animal.getAnimalName()+"类的声音：");
		animal.cry();
	}
}

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

public class Dog extends Animal {
	public void cry() {
		System.out.println("汪汪");
	}

	public String getAnimalName() {
		return "狗";
	}

}

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

}

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