comefrom: <gouthampradhan>array_ArrayPartitionI_1.java
code: public int arrayPairSum(int[] nums) {
      Arrays.sort(nums);
      int sum = 0;
      for (int i = 1; i < nums.length; i += 2) {
        sum += Math.min(nums[i - 1], nums[i]);
      }
      return sum;
    }
masked: public int sample_funcname ( int [ ] var_0 ) {
    Arrays . sort ( var_0 ) ;
    int var_1 = 0 ;
    for ( int var_2 = 1 ;
    var_2 < var_0 . length ;
    var_2 += 2 ) {
      var_1 += Math . min ( var_0 [ var_2 - 1 ] , var_0 [ var_2 ] ) ;
    }
    return var_1 ;
  }
  