java_方法重载_覆盖

class Animal{public void cry(){System.out.println("不知道怎么叫");}}class Cat extends Animal{public void cry(){System.out.println("旺旺叫");}}public class Test {public static void main(String[] args) {Cat cat1 = new Cat();Animal animal1 = new Animal();animal1.cry();cat1.cry();}}