comefrom: <awangdev>Kth Largest Element in an Array_3.java
code: public void swap( ArrayList<Integer>nums, int x, int y){
          int temp = nums.get(x);
          nums.set(x, nums.get(y));
          nums.set(y, temp);
      }
masked: public void var_0 ( ArrayList < Integer > var_3 , int var_4 , int var_5 ) {
    int var_7 = var_3 . get ( var_4 ) ;
    var_3 . set ( var_4 , var_3 . get ( var_5 ) ) ;
    var_3 . set ( var_5 , var_7 ) ;
  }
  