运动员和教练的案例分析   运动运和教练的案例 代码实现/*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。整个分析过程，我是通过画图讲解的。*///定义一个说英语的接口interface SpeakEnglish {//说英语public abstract void speak();}//定义人的抽象类abstract class Person {private String name;private int age;public Person() {}public Person(String name,int age) {this.name = name;this.age = age;}public String getName() {return name;}public void setName(String name) {this.name = name;}public int getAge() {return age;}public void setAge(int age) {this.age = age;}//睡觉public void sleep() {System.out.println("人都是要睡觉的");}//吃饭，运动员和教练吃的不一样。这里使用抽象方法public abstract void eat();}//定义运动员抽象类abstract class Player extends Person {public Player() {}public Player(String name,int age) {super(name,age);}//学习，乒乓器和篮球运动员学习的东西不一样。这里使用抽象方法public abstract void study();}//定义教练抽象类abstract class Coach extends Person {public Coach() {}public Coach(String name,int age) {super(name,age);}//教，乒乓器和篮球运动员教的东西不一样。这里使用抽象方法public abstract void teach();}//定义乒乓球运动员具体类class PingPangPlayer extends Player implements SpeakEnglish {public PingPangPlayer(){}public PingPangPlayer(String name,int age) {super(name,age);}//吃public void eat() {System.out.println("乒乓球运动员吃大白菜，喝小米粥");}//学习public void study() {System.out.println("乒乓球运动员学习如何发球和接球");}//说英语public void speak() {System.out.println("乒乓球运动员说英语");}}//定义篮球运动员具体类class BasketballPlayer extends Player {public BasketballPlayer(){}public BasketballPlayer(String name,int age) {super(name,age);}//吃public void eat() {System.out.println("篮球运动员吃牛肉，喝牛奶");}//学习public void study() {System.out.println("篮球运动员学习如何运球和投篮");}}//定义乒乓球教练具体类class PingPangCoach extends Coach implements SpeakEnglish {public PingPangCoach(){}public PingPangCoach(String name,int age) {super(name,age);}//吃public void eat() {System.out.println("乒乓球教练吃小白菜，喝大米粥");}//教public void teach() {System.out.println("乒乓球教练教如何发球和接球");}//说英语public void speak() {System.out.println("乒乓球教练说英语");}}//定义篮球教练具体类class BasketballCoach extends Coach {public BasketballCoach(){}public BasketballCoach(String name,int age) {super(name,age);}//吃public void eat() {System.out.println("篮球教练吃羊肉，喝羊奶");}//教public void teach() {System.out.println("篮球教练教如何运球和投篮");}}class InterfaceDemo {public static void main(String[] args) {//测试运动员(乒乓球运动员和篮球运动员)//乒乓球运动员PingPangPlayer ppp = new PingPangPlayer();ppp.setName("王浩");ppp.setAge(33);System.out.println(ppp.getName()+"---"+ppp.getAge());ppp.eat();ppp.sleep();ppp.study();ppp.speak();System.out.println("----------------");//通过带参构造给数据ppp = new PingPangPlayer("刘洋",36);System.out.println(ppp.getName()+"---"+ppp.getAge());ppp.eat();ppp.sleep();ppp.study();ppp.speak();System.out.println("----------------");//篮球运动员BasketballPlayer bp = new BasketballPlayer();bp.setName("姚明");bp.setAge(34);System.out.println(bp.getName()+"---"+bp.getAge());bp.eat();bp.sleep();bp.study();//bp.speak(); //没有该方法}}