老师学生类案例作业(抽象类,多态,接口)

• */
  public class ZY719 {
  public static void main(String[] args) {
  //接口多态开发中直接调用
  PingPangStudent pps=new PingPangStudent();
  pps.setAge(18);
  pps.setName("如花");
  System.out.println(pps.getAge()+"---"+pps.getName());
  pps.play();
  pps.study();
  PingPangTeacher ppt=new PingPangTeacher();
  ppt.setAge(38);
  ppt.setName("凤姐");
  System.out.println(ppt.getAge()+"---"+ppt.getName());
  ppt.play();
  ppt.study();
  BallStudent bs=new BallStudent();
  bs.setAge(18);
  bs.setName("小三");
  System.out.println(bs.getAge()+"---"+bs.getName());
  bs.play();
  bs.study();
  BallTeacher bt=new BallTeacher();
  bt.setAge(37);
  bt.setName("大三");
  System.out.println(bt.getAge()+"---"+bt.getName());
  bt.play();
  bt.study();
  }
  }
  //创建一个抽象的类
  public abstract class Person {
  //共有属性
  private String name;
  private int age;
  //无参
  public Person() {
  super();
  }
  //有参
  public Person(String name, int age) {
  super();
  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;
  }
  //play();
  public abstract void play();
  }

//老师类
public class Teacher extends Person {
//无参
public Teacher() {
super();
}
//有参
public Teacher(String name, int age) {
super(name, age);br/>}
@Override
public void play() {
System.out.println("老师玩捉迷藏");

}

}
//篮球教练类
public class BallTeacher extends Teacher {
//无参
public BallTeacher() {
super();
}
//有参
public BallTeacher(String name, int age) {
super(name, age);
}
public void study() {
System.out.println("篮球老师一边学英语一边玩蓝球");
}
public void play() {
System.out.println("篮球教练爱玩篮球");
}
}
//乒乓球教练类
public class PingPangTeacher extends Teacher {
//无参
public PingPangTeacher() {
super();
}
//有参
public PingPangTeacher(String name, int age) {
super(name, age);
}
public void study() {
System.out.println("乒乓球老师一边学英语一边玩乒乓球");
}
public void play() {
System.out.println("乒乓球教练爱玩乒乓球");
}
}
//学生类
public class Student extends Person {
//无参
public Student() {
super();
}
//有参
public Student(String name, int age) {
super(name, age);br/>}
@Override
public void play() {
System.out.println("学生玩过家家");
}

老师学生类案例作业(抽象类,多态,接口)

原文：http://blog.51cto.com/13852519/2147113