deque deque deque double-ended queue deque double-ended queue double-ended queue http://en.wikipedia.org/wiki/Double-ended_queue デック(deque) deques deque deques deque deque deque double-ended queue double-ended queue double-ended queue double-ended queue deque deque double-ended queue double-ended queue Double-ended queue double-ended queue Dequeue deque deque double-ended queue double-ended queue deque double-ended queue deque double-ended queue deque deque https://en.wikipedia.org/wiki/Double-ended_queue deque double-ended queue double-ended queue deque Double-Ended linked list or array double ended queue double-ended queue deque English