1 package com.sicnu.findnumber;
 2 
 3 public class FindLastNumber {
 4     
 5     public static void main(String[] args) {
 6         //找出目標值aim在陣列最後出現的位置，若在陣列中不存在則表示-1
 7         int array[] = {2};
 8         int aim = 2;
 9         int pos = -1;
10         
11         if(array.length <= 1){
12             if
 
(aim == array[0]){
13                 pos = 1;
14             }else{
15                 pos = -1;
16             }
17             
18         }else{
19             pos = findLast(aim,array);
20             
21         }
22         
23         for(int i = 0; i < array.length; i++){
24             System.out.print(array[i] + "  ");
 
25         }
26         System.out.println();
27         System.out.println("find :"+ aim +" The last position:"+pos);
28         
29         
30     }
31     
32     
33     /**
34      * @param aim
35      * @param array
36      * @return
37      */
38     public static int findLast(int aim, int array[]){
 
39         int position = -1;
40         for(int i = 1; i < array.length ;i++){//wrong!
41             if(array[i] == aim){
42                 position = i;
43             }            
44         }
45                 
46         return position + 1;
47 
48     }
49 
50 }