comefrom: <awangdev>57. Insert Interval_1.java
code: private boolean isEnd(int[][] intervals, int end, int i) {
  
          return i + 1 < intervals.length && end < intervals[i+1][0];
      }
masked: private boolean var_0 ( int [ ] [ ] var_1 , int var_2 , int var_3 ) {
    return var_3 + 1 < var_1 . length && var_2 < var_1 [ var_3 + 1 ] [ 0 ] ;
  }
  