<awangdev>239. Sliding Window Maximum_1.java
private void inQueue(Deque<Integer> deque, int num) {

        while (!deque.isEmpty() && deque.peekLast() < num) { 
            deque.pollLast();
        }
        deque.offerLast(num);
    }
private void var_0 ( Deque < Integer > var_3 , int var_4 ) {
  while ( ! var_3 . isEmpty ( ) && var_3 . peekLast ( ) < var_4 ) {
    var_3 . pollLast ( ) ;
  }
  var_3 . offerLast ( var_4 ) ;
}
