comefrom: <awangdev>Hamming Distance_1.java
code: public int hammingDistance(int x, int y) {
          int xor = x ^ y;
          int count = 0;
          while (xor != 0) {
              count += xor & 1;
              xor = xor >> 1;
          }
          return count;
      }
masked: public int sample_funcname ( int var_0 , int var_1 ) {
    int var_2 = var_0 ^ var_1 ;
    int var_3 = 0 ;
    while ( var_2 != 0 ) {
      var_3 += var_2 & 1 ;
      var_2 = var_2 >> 1 ;
    }
    return var_3 ;
  }
  