What is Queue and how it is different from stack?
A Queue in the data structure is a linear structure which follows a particular order in which all operations to be performed. The order is First In First Out (FIFO) used in Queue.
|1.||Stack has only one end for inserting and deleting the data elements||The queue has two terms, one for enqueuing the data and other for dequeuing the data elements.|
|2.||There are no variants in Stack||In queue, there are variants like a circular queue, priority queue, double ended queue|
|3.||Stack uses only one pointer for its one end.||Queue used 2 pointers for its two ends Rear and Front|
|3.||Operations performed are Push() and Pop()||Operations performed are enqueue() and dequeue()|
BY Best Interview Question ON 02 Feb 2019