comefrom: <awangdev>[lint]. Recover Rotated Sorted Array_1.java
code: public void reverse(ArrayList<Integer> nums, int start, int end){
          for (int i = start, j = end; i < j; i++,j--) {
              int temp = nums.get(i);
              nums.set(i, nums.get(j));
              nums.set(j, temp);
          }
      }
masked: public void var_0 ( ArrayList < Integer > var_1 , int var_2 , int var_3 ) {
    for ( int var_4 = var_2 , var_5 = var_3 ;
    var_4 < var_5 ;
    var_4 ++ , var_5 -- ) {
      int var_6 = var_1 . get ( var_4 ) ;
      var_1 . set ( var_4 , var_1 . get ( var_5 ) ) ;
      var_1 . set ( var_5 , var_6 ) ;
    }
  }
  