Java多态度(3)

class Animal{

void eat(){

System.out.println("吃东西");//父类

}

class Dog extends Animal{

@Override

void eat() {

System.out.println("吃狗粮");//子类

}

}

public class Test {

public static void main(String[] args) {

//父亲类型 变量名 = new 子类对象

Animal animal = new Dog();

animal.eat();

}

}