java课堂作业（十二）

题目：自定义一个学生类和相应异常类，属性有：姓名、年龄。如果用户在给学生年龄赋值时，如果年龄小于0 则抛出一个AgeLT0Exception，如果年龄大于150 抛出一个AgeGT150Exception

 1 package com.zhuoyue.ch12;
 2 
 3 public class AgeLT0Exception extends Exception{
 4 
 5     /**
 6      * 
 7      */
 8     private static final long serialVersionUID = -3655506382017253195L;
 9     
10     public AgeLT0Exception(){
11         super();
12     }
13     
14     public AgeLT0Exception(String message){
15         super(message);
16     }
17 
18 }

 1 package com.zhuoyue.ch12;
 2 
 3 public class AgeGT150Exception extends Exception {
 4 
 5     /**
 6      * 
 7      */
 8     private static final long serialVersionUID = -2518423261295977881L;
 9     
10     public AgeGT150Exception(){
11         super();
12     }
13     
14     public AgeGT150Exception(String message){
15         super(message);
16     }
17 
18 }

 1 package com.zhuoyue.ch12;
 2 
 3 public class TestException {
 4 
 5     public static void main(String[] args) {
 6         //要么捕获异常，程序员处理。要么抛出异常，有上一级处理
 7         try {
 8             Student s1 = new Student("小明",-1);
 9         } catch (AgeLT0Exception e) {
10             // TODO Auto-generated catch block
11             e.printStackTrace();
12         } catch (AgeGT150Exception e) {
13             // TODO Auto-generated catch block
14             e.printStackTrace();
15         }
16         
17         try {
18             Student s2 = new Student("小红",156);
19         } catch (AgeLT0Exception e) {
20             // TODO Auto-generated catch block
21             e.printStackTrace();
22         } catch (AgeGT150Exception e) {
23             // TODO Auto-generated catch block
24             e.printStackTrace();
25         }
26     }
27 
28 }