多态1
package com.excer;
public class Animal {
public String name;
public void eat(){
System.out.println("吃东西");
}
public static void main(String[] args){
Animal a = new Dog();
a.name = "毛毛";
System.out.println(a.name);
a.eat();
a = new Cat();
a.name = "十元";
System.out.println(a.name);
a.eat();
}
}
/**狗类*/
class Dog extends Animal{
public String age;
@Override
public void eat(){
System.out.println("吃骨头");
}
}
/**猫类*/
class Cat extends Animal{
public String color;
@Override
public void eat(){
System.out.println("吃鱼");
}
}