Array Implementation Of Queue. 5 queue operations using array 1.insert an element 2.delete an element 3.display the queue 4.exit enter your choice : It’s part of java collections framework.in this tutorial, we will learn queue implementation in java using an array.

To dequeue, we need to remove the head of the linked list. For implementing queue, we need to keep track of two indices, front and rear. Time taken by all the operations is o (1).