#ring-buffer

Circular Queues

Introduction A circular queue (also called a ring buffer) is a linear data structure that uses a fixed-size array in a circular manner. Unlike a regular queue where dequeued elements leave wasted space at the front, a circular queue reuses that space by wrapping around to the beginning when reaching the end of the array. Think of it like a circular track where runners keep going around—when you reach the end, you simply continue from the start. Read more →

November 19, 2025