题目要求：

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代码框架：

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代码实现：

person类：

package www.jsu.com;public 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;}
}

sporter类:

package www.jsu.com;public abstract class Sporter extends Person{public Sporter() {}public Sporter(String name, int age) {super(name, age);}public abstract void study();
}

English的接口：

package www.jsu.com;public interface English {public abstract void speakEnglish();
}

 pingpongsporter类：

package www.jsu.com;public class PingPongSporter extends Sporter implements English{public PingPongSporter() {}public PingPongSporter(String name, int age) {super(name, age);}@Overridepublic void speakEnglish() {System.out.println("乒乓球员在说英语");}@Overridepublic void study() {System.out.println("乒乓球员在学习");}
}

 basketballsporter类：

package www.jsu.com;public class BasketballSporter extends Sporter{public BasketballSporter() {}public BasketballSporter(String name, int age) {super(name, age);}@Overridepublic void study() {System.out.println("篮球运动员在学习如何打篮球");}
}

coach类：

package www.jsu.com;public abstract class Coach extends Person{public Coach() {}public Coach(String name, int age) {super(name, age);}public abstract void teach();
}

pingpangcoach类：

package www.jsu.com;public class PingPangCoach extends Coach implements English{public PingPangCoach() {}public PingPangCoach(String name, int age) {super(name, age);}@Overridepublic void teach() {System.out.println("乒乓球教练在教乒乓球");}@Overridepublic void speakEnglish() {System.out.println("乒乓球教练在说英语");}
}

basketballcoach类：

package www.jsu.com;public class BasketBallCoach extends Coach{public BasketBallCoach() {}public BasketBallCoach(String name, int age) {super(name, age);}@Overridepublic void teach() {System.out.println("篮球运动员在教如何打篮球");}
}