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What is a Queue?

Explore the fundamentals of queues, a linear data structure that operates on the First In First Out (FIFO) principle. Understand how enqueue and dequeue operations work, discover the differences between linear, circular, and priority queues, and learn about their applications in algorithms, operating systems, and network management.

Introduction

Similar to the Stack, a Queue is another linear data structure that stores the elements in a sequential manner. The only significant difference between Stack and Queue is that instead of using the LIFO principle, Queue implements the FIFO method which is short for First in First Out.

According to FIFO, the ...