What Are the Types of Queue?

There are four different types of queues:

What is queue and types of queue in data structure?

A Queue is a FIFO (First In First Out) data structure where the element that is added first will be deleted first. The basic queue operations are enqueue (insertion) and dequeue (deletion). Enqueue is done at the front of the queue and dequeue is done at the end of the queue.

What are the 3 primary methods for a queue?

The basic queue operations are: enqueue—adds an element to the end of the queue. dequeue—removes an element from the front of the queue. first—returns a reference to the element at the front of the queue.