http://www.verejava.com/?id=16992994231782

package com.exception2;

/**
  题目: 老师正在给学生上课, 突然某个学生说网络断了, 老师你来帮助处理一下
          没办法，我只能去找网管
  
  
 */
//网管类
public class TestException3
{
    public static void main(String[] args) throws MyException {
        //实列化一个老师
        Teacher t = new Teacher("胡杨");

        //实列化学生
        Student s = new Student("候文桌");

        //老师 在 教学生上课

        //网管说我来处理

        t.teach(s);

    }
}

class Teacher {
    
    private String name;

    public Teacher(String name) {
        this.name = name;
    }

    //老师正在给学生上课
    public void teach(Student s) throws MyException {
        //老师正在给学生上课 是一个持续的状态
        int i = 0;
        while (true) {
            System.out.println(this.name + " 给 " + s.getName() + " 上课 ");
            i++;
            try {
                Thread.sleep(1000);
                if (i == 5) {
                    //突然某个学生说网络断了
                    //抛出一个异常
                    //老师你来帮助处理一下
                    throw new MyException("突然" + s.getName() + "说网络断了");

                }
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

}

class Student {
    
    private String name;

    public Student(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

}

class MyException extends Exception {
    
    private String message;

    public MyException(String message) {
        this.message = message;
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = message;
    }

}

http://www.verejava.com/?id=16992994231782