62,615
社区成员
发帖
与我相关
我的任务
分享
//动手写个简单的例子表示一下,父类引用指向子类对象
public class Test {
public static void main(String[] args) {
Animal mao = new Mao();
Animal dog = new Dog();
mao.buy();
dog.buy();
}
}
abstract class Animal{
abstract void buy();
}
class Mao extends Animal{
@Override
void buy() {
System.out.println("买个猫");
}
}
class Dog extends Animal{
@Override
void buy() {
System.out.println("买个狗");
}
}