java program of Queue in data structure

Working of Queue Queue operations work as follows: two pointers FRONT and REAR FRONT track the first element of the queue REAR track the last element of the queue initially, set value of FRONT and REAR to -1 Enqueue Operation check if the queue is full for the first element, set the value of FRONT to 0 increase the REAR index by 1 add the new element in … Read more