public class Doubt {
public static void main(String[] args) {
Dog d1=new Dog();
Dog d2=new Zangao();
Dog d3=new Hasiq();
Master m=new Master();
m.feed(d1,d2,d3);
}
}
class Master {
void feed(Dog ... d1) {
for(Dog d:d1) {
d.eat();
if(d instanceof Zangao) {
Zangao z=(Zangao)d;
z.fight();
System.out.println("是藏獒");
}
if(d instanceof Hasiq) {
Hasiq h=(Hasiq)d;
h.play();
System.out.println("是哈士奇");
}
}
}
}
class Dog {
void eat() {
System.out.println("狗吃东西");
}
}
class Zangao extends Dog{
void eat() {
System.out.println("藏獒吃东西");
}
void fight() {
System.out.println("我是藏獒，我爱战斗");
}
}
class Hasiq extends Dog{
void eat() {
System.out.println("哈士奇吃东西");
}
void play() {
System.out.println("我是哈士奇，我爱玩耍");
}
}