做网站排名费用多少,免费搭建网站哪个好,近一个星期的新闻大事,wordpress导航菜单下的网页404问题#xff1a; 教练和运动员案例#xff1a; 乒乓球运动员和篮球运动员#xff0c;乒乓球教练和篮球教练。为了出国交流#xff0c;跟乒乓球相关的人员都需要学习英语。请用所学知识分析#xff0c;这个案例中有哪些抽象类#xff0c;哪些接口#xff0c;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 运行截图 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();}
}
