Java 异常处理 之 实例

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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; } } 

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