comefrom: <awangdev>169. Majority Element_5.java
code: public int majorityNumber(ArrayList<Integer> nums) {
          if (nums == null || nums.size() == 0) {
              return -1;
          }
          int majorNum = nums.get(0);
          int count = 1;
          for (int i = 1; i < nums.size(); i++) {
              if (majorNum == nums.get(i)) {
                  count++;
              } else {
                  count--;
              }
              if (count == 0) {
                  majorNum = nums.get(i);
                  count = 1;
              }
          }
          return majorNum;
      }
masked: public int sample_funcname ( ArrayList < Integer > var_2 ) {
    if ( var_2 == null || var_2 . size ( ) == 0 ) {
      return - 1 ;
    }
    int var_8 = var_2 . get ( 0 ) ;
    int var_9 = 1 ;
    for ( int var_10 = 1 ;
    var_10 < var_2 . size ( ) ;
    var_10 ++ ) {
      if ( var_8 == var_2 . get ( var_10 ) ) {
        var_9 ++ ;
      }
      else {
        var_9 -- ;
      }
      if ( var_9 == 0 ) {
        var_8 = var_2 . get ( var_10 ) ;
        var_9 = 1 ;
      }
    }
    return var_8 ;
  }
  