# | Line 276 | Line 276 | public interface Deque<E> extends Queue< | |
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276 | ||
277 | /** | |
278 | * Retrieves, but does not remove, the first element of this deque. | |
279 | < | * |
279 | > | * |
280 | * This method differs from {@link #peekFirst peekFirst} only in that it | |
281 | * throws an exception if this deque is empty. | |
282 | * |
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