急求java代码

/** * 测试类 * @author thinkpad * */public class AnimalTest { public static void main(String[] args) { Fish fish = new Fish();fish.breath();fish.eat();Cat cat = new Cat();cat.breath();cat.eat();}}/** * Animal类 * @author thinkpad * */class Animal { public void eat() { System.out.println(this.getClass().getSimpleName() + " is eating something.");} public void breath() { System.out.println(this.getClass().getSimpleName() + " is breathing.");}}/** * Fish类 * @author thinkpad * */class Fish extends Animal { }/** * cat类 * @author thinkpad * */class Cat extends Animal { } 收起