Pops the head element of the deque, just same as removeFirst(). @return the head element @throws NoSuchElementException if the deque is empty
()
| 245 | * if the deque is empty |
| 246 | */ |
| 247 | E pop(); |
| 248 | |
| 249 | /** |
| 250 | * Returns the iterator in reverse order, from tail to head. |
no outgoing calls