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  • C-7 运动员和教练案例

    题目:

        乒乓球运动员,篮球运动员。乒乓球教练,篮球教练。
        为了出国交流,跟乒乓球相关的人员都需要学习英语。

    分析:

    实现:

      1 /*
      2 教师版
      3 */
      4 interface SpeakEnglish{
      5     public abstract void speak();
      6 }
      7 abstract class Person{
      8     private String name;
      9     private int age;
     10     
     11     public Person(){}
     12     public Person(String name, int age){
     13         this.name = name;
     14         this.age = age;
     15     }
     16     public String getName(){
     17         return name;
     18     }
     19     public void setName(String name){
     20         this.name = name;
     21     }
     22     public int getAge(){
     23         return age;
     24     }
     25     public void setAge(int age){
     26         this.age = age;
     27     }
     28     //睡觉
     29     public void sleep(){
     30         System.out.println("睡觉");
     31     }
     32     //吃饭
     33     public abstract void eat();
     34 }
     35 
     36 abstract class Player extends Person{
     37     public Player(){}
     38     public Player(String name,int age){
     39         super(name,age);
     40     }
     41     
     42     //学习
     43     public abstract void study();
     44 }
     45 
     46 abstract class Coach extends Person{
     47     public Coach(){}
     48     public Coach(String name,int age){
     49         super(name,age);
     50     }
     51     
     52     //学习
     53     public abstract void teach();
     54 }
     55 //乒乓球运动员具体类
     56 class PingPangPlayer extends Player implements SpeakEnglish{
     57     public PingPangPlayer(){}
     58     public PingPangPlayer(String name, int age){
     59         super(name,age);
     60     }
     61     
     62     //吃饭
     63     public void eat(){
     64         System.out.println("乒乓球运动员吃菜饭");
     65     }
     66     //学习
     67     public void study(){
     68         System.out.println("乒乓球运动员学发球");
     69     }
     70     //学英语
     71     public void speak(){
     72         System.out.println("乒乓球运动员说英语");
     73     }
     74 }
     75 //篮球运动员具体类
     76 class BasketballPlayer extends Player{
     77     public BasketballPlayer(){}
     78     public BasketballPlayer(String name, int age){
     79         super(name,age);
     80     }
     81     //吃饭
     82     public void eat(){
     83         System.out.println("篮球运动员吃牛肉");
     84     }
     85     //学习
     86     public void study(){
     87         System.out.println("篮球运动员学投篮");
     88     }
     89     
     90 }
     91 //乒乓球教练具体类
     92 class PingPangCoach extends Coach implements SpeakEnglish{
     93     public PingPangCoach(){}
     94     public PingPangCoach(String name, int age){
     95         super(name,age);
     96     }
     97     
     98     //吃饭
     99     public void eat(){
    100         System.out.println("乒乓球教练吃菜饭");
    101     }
    102     //学习
    103     public void teach(){
    104         System.out.println("乒乓球教练教发球");
    105     }
    106     //学英语
    107     public void speak(){
    108         System.out.println("乒乓球教练说英语");
    109     }
    110 }
    111 
    112 //篮球教练具体类
    113 class BasketballCoach extends Coach{
    114     public BasketballCoach(){}
    115     public BasketballCoach(String name, int age){
    116         super(name,age);
    117     }
    118     //吃饭
    119     public void eat(){
    120         System.out.println("篮球教练吃牛肉");
    121     }
    122     //学习
    123     public void teach(){
    124         System.out.println("篮球教练教投篮");
    125     }
    126     
    127 }
    128 
    129 //测试
    130 class SportDemo2{
    131     public static void main(String[] args){
    132     
    133         //测试乒乓球运动员
    134         PingPangPlayer ppp = new PingPangPlayer("王浩",33);
    135         System.out.println("姓名:"+ppp.getName()+",年龄:"+ppp.getAge());
    136         ppp.sleep();
    137         ppp.eat();
    138         ppp.study();
    139         ppp.speak();
    140         System.out.println("-----------");
    141         
    142         //测试篮球运动员
    143         BasketballPlayer bp = new BasketballPlayer("姚明",36);
    144         System.out.println("姓名:"+bp.getName()+",年龄:"+bp.getAge());
    145         bp.sleep();
    146         bp.eat();
    147         bp.study();
    148         System.out.println("-----------");
    149         
    150         //测试乒乓球教练
    151         PingPangCoach ppc = new PingPangCoach("刘国梁",50);
    152         System.out.println("姓名:"+ppc.getName()+",年龄:"+ppc.getAge());
    153         ppc.sleep();
    154         ppc.eat();
    155         ppc.teach();
    156         ppc.speak();
    157         System.out.println("-----------");
    158         
    159         //测试篮球教练
    160         BasketballCoach bc = new BasketballCoach("安西",52);
    161         System.out.println("姓名:"+bc.getName()+",年龄:"+bc.getAge());
    162         bc.sleep();
    163         bc.eat();
    164         bc.teach();
    165         System.out.println("-----------");
    166     }
    167 }

    运行:

    姓名:王浩,年龄:33
    睡觉
    乒乓球运动员吃菜饭
    乒乓球运动员学发球
    乒乓球运动员说英语
    -----------
    姓名:姚明,年龄:36
    睡觉
    篮球运动员吃牛肉
    篮球运动员学投篮
    -----------
    姓名:刘国梁,年龄:50
    睡觉
    乒乓球教练吃菜饭
    乒乓球教练教发球
    乒乓球教练说英语
    -----------
    姓名:安西,年龄:52
    睡觉
    篮球教练吃牛肉
    篮球教练教投篮
    -----------
    
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  • 原文地址:https://www.cnblogs.com/android-lyz/p/4785694.html
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