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网站的图片怎么制作绍兴seo排名收费

网站的图片怎么制作,绍兴seo排名收费,天眼查企业查询在线官网,商城类网站用什么做问题: 教练和运动员案例: 乒乓球运动员和篮球运动员,乒乓球教练和篮球教练。为了出国交流,跟乒乓球相关的人员都需要学习英语。请用所学知识分析,这个案例中有哪些抽象类,哪些接口,哪些具体类。…

问题:
教练和运动员案例:
乒乓球运动员和篮球运动员,乒乓球教练和篮球教练。为了出国交流,跟乒乓球相关的人员都需要学习英语。请用所学知识分析,这个案例中有哪些抽象类,哪些接口,哪些具体类。
分析得到:
在这里插入图片描述
运行截图:
在这里插入图片描述
实验代码:

package 实验.作业3;interface LearnEnglish{   //学习英语的接口,用于ppPlayer和ppCoach的实现public abstract void speak();
}
abstract class People {   //定义人抽象类private String name;private int age;public People(){};public People(String name,int age){this.name = name;this.age = age;}public void setName(String name) {this.name = name;}public void setAge(int age){this.age = age;}public String getName() {return name;}public int getAge(){return age;}public abstract void eat();public void sleep(){System.out.println("sleeping...");}
}
abstract class Player extends People{  //定义运动员抽象类public Player(){}public Player(String name,int age){super(name,age);}public abstract void study();
}
abstract class Coach extends People{  //定义教练抽象类public Coach(){};public Coach(String name,int age){super(name,age);}public abstract void teach();
}
class ppPlayer extends Player implements LearnEnglish{//定义ppPlayer继承运动员类,实现LearnEnglish接口public ppPlayer(){};public ppPlayer(String name,int age){super(name,age);}@Overridepublic void eat(){System.out.println("ppPlayer is eating...");}@Overridepublic void sleep(){System.out.println("ppPlayer is sleeping...");}@Overridepublic void study() {System.out.println("ppPlayer is studying English...");}public void speak(){System.out.println("ppPlayer is speaking English...");}
}
class lqPlayer extends Player{//定义lqPlayer继承Player类public lqPlayer(){};public lqPlayer(String name,int age){super(name,age);}@Overridepublic void eat(){System.out.println("lqPlayer is eating...");}@Overridepublic void sleep(){System.out.println("lqPlayer is sleeping...");}@Overridepublic void study(){System.out.println("lqPlayer is studying basketball...");}
}
class ppCoach extends Coach implements LearnEnglish{//定义ppCoach继承教练类,实现LearnEnglish接口public ppCoach(){};public ppCoach(String name,int age){super(name,age);}@Overridepublic void eat(){System.out.println("ppCoach is eating...");}@Overridepublic void sleep(){System.out.println("ppCoach is sleeping...");}@Overridepublic void teach(){System.out.println("ppCoach is teaching pingpang...");}public void speak(){System.out.println("ppCoach is speaking English...");}
}
class lqCoach extends Coach{public lqCoach(){};public lqCoach(String name,int age){super(name,age);}@Overridepublic void eat(){System.out.println("lqCoach is eating...");}@Overridepublic void sleep(){System.out.println("lqCoach is sleeping...");}public void teach(){System.out.println("lqCoach is teaching basketball...");}
}
public class a_01_test{public static void main(String[] args) {ppPlayer pingPangPlayer = new ppPlayer();pingPangPlayer.setName("WWW");pingPangPlayer.setAge(30);System.out.println("乒乓球运动员1的信息如下:");System.out.println(pingPangPlayer.getName()+"----"+pingPangPlayer.getAge());pingPangPlayer.eat();pingPangPlayer.sleep();pingPangPlayer.study();pingPangPlayer.speak();ppCoach pingpangCoach = new ppCoach();pingpangCoach.setName("AAA");pingpangCoach.setAge(20);System.out.println("乒乓球教练1的信息如下:");System.out.println(pingpangCoach.getName()+"----"+pingpangCoach.getAge());pingpangCoach.speak();pingpangCoach.teach();lqPlayer lanqiuPlayer = new lqPlayer();lanqiuPlayer.setName("CCC");lanqiuPlayer.setAge(25);System.out.println("篮球运动员1的信息如下:");System.out.println(lanqiuPlayer.getName()+"----"+lanqiuPlayer.getAge());lanqiuPlayer.study();lqCoach lanqiuCoach = new lqCoach();lanqiuCoach.setName("DDD");lanqiuCoach.setAge(19);System.out.println("篮球教练1的信息如下:");System.out.println(lanqiuCoach.getName()+"----"+lanqiuCoach.getAge());lanqiuCoach.teach();}
}
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