What is a queue Explain various operations perfomed using stack with examples?

Answer 1

Stack has the following operations:

1) push - insert an element into the stack

2) pop - remove an element out of the stack

3) top - display the topmost element in the stack

Queue has the following operations:

1) enqueue - insert an element into the queue

2) dequeue - remove an element from the queue

3) front - display the element at the front of the queue(next element to be dequeued)

4) rear - display the element at the rear of the queue(last element enqueued)

The following operations can be performed in both stack and queue:

1) size - returns the size of the container

2) isempty - returns whether the container is empty or not

Answer 2

explain queues and their operations?