多态应用-主人与宠物玩耍案例-白红宇

多态应用-主人与宠物玩耍案例

阅读量：5340 次

发布时间：2019-06-15

本文共 2275 字，大约阅读时间需要 7 分钟。

1 package com.szxs.pet; 2 /** 3  * 宠物类 4  * @author  5  * 6  */ 7 public class Pet { 8     private String name;  //姓名 9     private int health;  //健康值10     private int love;  //亲密度11     12     public Pet() {13     }14     15     public Pet(String name, int health, int love) {16         this.name = name;17         this.health = health;18         this.love = love;19     }20 21     public String getName() {22         return name;23     }24     public void setName(String name) {25         this.name = name;26     }27     public int getHealth() {28         return health;29     }30     public void setHealth(int health) {31         this.health = health;32     }33     public int getLove() {34         return love;35     }36     public void setLove(int love) {37         this.love = love;38     }39     40 }

1 package com.szxs.pet; 2  3 public class Penguin extends Pet { 4      5     public Penguin() { 6     } 7  8     public Penguin(String name, int health, int love) { 9         super(name, health, love);10     }11 12     /**13      * 企鹅南极游泳14      */15     public void swimming() {16         System.out.println(this.getName()+"健康值是"+this.getHealth()+"，与主人的亲密度是"+this.getLove()+"，特有能力是南极游泳");17     }18 }

1 package com.szxs.pet; 2  3 public class Dog extends Pet { 4      5     public Dog() { 6     } 7  8     public Dog(String name, int health, int love) { 9         super(name, health, love);10     }11 12     /**13      * 接飞盘14      */15     public void getFrisbe() {16         System.out.println(this.getName()+"健康值是"+this.getHealth()+"，与主人的亲密度是"+this.getLove()+"，特有的能力是接飞盘");17     }18 }

1 package com.szxs.pet; 2  3 public class Master { 4     /** 5      * 主人和宠物玩 6      * @author  7      * 8      */ 9     public void  play(Pet pet) {10         11         if(pet instanceof Dog) {12             Dog dog=(Dog)pet;13             dog.getFrisbe();14         }else if(pet instanceof Penguin) {15             Penguin p=(Penguin)pet;16             p.swimming();17         }18     }19 }

1 package com.szxs.pet; 2  3 public class Test { 4  5     public static void main(String[] args) { 6         Master m=new Master(); 7         m.play(new Dog("欧欧",100,30)); 8         m.play(new Penguin("楠楠",100,50)); 9     }10 11 }

转载于:https://www.cnblogs.com/baichang/p/10067969.html

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