第五章作业

public class Application{
	public static void main(String[] args){
			Simulator simulator = new Simulator();
			simulator.playSound(new Dog());
			simulator.playSound(new Cat());
	}
}
class Simulator{
	void playSound(Animal animal){
		animal.cry();
		System.out.println("动物种类："+animal.getAnimalName());
	}
}
abstract class Animal{
	abstract void cry();
	abstract String getAnimalName();
}
class Dog extends Animal{
	void cry(){
		System.out.println("汪汪.....");
	}
	String getAnimalName(){
		return "狗";
	}
}
class Cat extends Animal{
	void cry(){
		System.out.println("喵喵.....");
	}
	String getAnimalName(){
		return "猫";
	}
}