学习总结 java 异常

Posted 2020-07-15 Clown

 1 package com.hanqi.ec;
 2 
 3 public class Test1 {
 4 
 5 public static void main(String[] args) {
 6         
 7     
 8     
 9     int a = 10 , b = 2 ;
10     
11     int c = a / b ;
12     
13     int [] d = new int [5] ;
14     
15     int e = d [1] ;
16     
17     try
18     {
19     
20     int [] f = null ;
21     
22     e = f [0] ;
23     System.out.println("获取数据内容");
24     }
25     //抓去给异常类的对象
26     catch(Exception ex)
27     {
28         //处理异常的代码
29         System.out.println("运行出现异常" + ex.getLocalizedMessage());
30         
31     }
32     
33     //学习处理异常
34     //异常类
35     //捕获
36     System.out.println("运行完毕");
37     
38     
39     }
40     
41 }