Queue

Queue interface maintains the first-in-first-out order. It can be defined as an ordered list that is used to hold the elements which are about to be processed. There are various classes like PriorityQueue, Deque, and ArrayDeque which implements the Queue interface.

Queue interface can be instantiated as:

Queue is a linear Data Structure in which insertion operation is performed at one end called Rear and deletion operation is performed at another end called front.

Methods of Queue:

1: add(Object)

2: remove()

3: element()

4: poll()

5: peek()

6: offer(Object)

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