Circular Queue Enqueue Operation: A Step-by-Step Guide with Array Implementation

Efficiently Adding Data: Enqueue Operation for a Circular Queue Using Arrays

A circular queue, also known as a ring buffer, offers a clever way to manage data in a FIFO (First-In, First-Out) manner. This article provides a step-by-step guide on implementing the enqueue operation for a circular queue represented using an array A[0…m].

Here's how to enqueue an element into your circular queue:

1. Full Queue Check: Before adding an element, ensure your circular queue isn't full. Compare the current queue size with its maximum capacity (m+1). If they match, the queue is full, and you won't be able to add more elements.

2. Rear Pointer Update: If the queue has space, advance the rear pointer by 1 to point to the next available position. If the rear pointer reaches the end of the array (index m), reset it to 0, effectively wrapping it back to the beginning.

3. Element Insertion: Now, insert the new element into the array position pointed to by the rear pointer (A[rear]).

That's it! You've successfully enqueued an element into your circular queue.

This guide provides a fundamental understanding of the enqueue operation for circular queues implemented with arrays. This knowledge is valuable for various applications, from managing buffers in operating systems to handling data streams in software development.