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天天酷跑多态

2024-09-14 08:31:25   214人阅读

package Tian;

public class Actor{
    String name;
    Pet pet;
package Tian;

public final class Bear extends Pet {
public void run(){
    System.out.println("我是雄二，我喜欢蜂蜜");
}
}




package Tian;

public class Cat extends Pet{
    public void run(){
        System.out.println("我是小猫，我正在给主人收集金币");
    }
}




 


public Actor(String name, Pet pet) {
        super();
        this.name = name; 
        this.pet=pet;
    }



//主人正在跑的方法
public void run(){
    System.out.println(name+"正在跑");
     pet.run();
}
}




package Tian;

public class Dog extends Pet{
public void run(){
    System.out.println("我是旺财，我为主人做贡献");
}
}








package Tian;

public class Pet {
public void run(){
    System.out.println("就是跑");
}
}






package Tian;

public class Test {

    /**
     * @param args
     */
    public static void main(String[] args) {
        


Actor a=new Actor("金枪小帅",new Bear());

a.run();
}

}




 






 
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