java对列表按月份分组 java 分组

1 import java.util.ArrayList;
 2 import java.util.Collections;
 3 import java.util.List;
 4 
 5 /**
 6  * Created with IntelliJ IDEA.
 7  * User: dell
 8  * Date: 13-3-5
 9  * Time: 下午8:38
10  * To change this template use File | Settings | File Templates.
11  */
12 public class Group {
13         public static void main(String[] args)
14         {
15             int[] i ={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18};
16             int len = i.length;
17             int count = len/5;
18             //够4000的一组处理
19             for(int j = 0 ; j < count ; j++)
20             {
21                 for(int m = 0 ; m<5;m++)
22                     System.out.println(i[m+j*5]+"****"+m+j*5);
23                 //进行处理
24             }
25             //剩下的不够4000的处理
26             for(int m = 0 ; m<len%5;m++)
27                 System.out.println(i[m+count*5]+"====="+m+count*5);
28         }
29     }