A queue is a first-in, first-out list

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A queue is a first-in, first-out list. The queue has two essential operations: enqueue, which appends an entry to the end of the list (called the tail) and dequeue, which returns and removes the first entry in the list (called the head). The queue returns entries in the sequence in which they were added. When you do this in real life, you may refer to it as "standing in line." Some queue implementations include auxiliary operations that may allow programmers to write simpler code.

Reference no: EM13166576

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