[LintCode] Flip Bits

 1 class Solution {
 2     /**
 3      *@param a, b: Two integer
 4      *return: An integer
 5      */
 6     public static int bitSwapRequired(int a, int b) {
 7         int cnt = 0;
 8         for(int i = 0; i < Integer.SIZE; i++){
 9             if(((a >>> i) & 1) != ((b >>> i) & 1)){
10                 cnt++;
11             }
12         }
13         return cnt;
14     }
15 }