<awangdev>239. Sliding Window Maximum_2.java
private void outQueue(Deque<Integer> deque, int num) {

        if (deque.peekFirst() == num) deque.pollFirst();
    }
private void var_0 ( Deque < Integer > var_3 , int var_4 ) {
  if ( var_3 . peekFirst ( ) == var_4 ) var_3 . pollFirst ( ) ;
}
