What’s difference between Stack and Queue?

[aidpcards]

Stack & Queue Both are types of Data Structured.The items in Stack can be accessed by one way in on the top in LIFO Fashion.While Queue is two way the items are added at the rear end and out by the front end in FIFO fashion.

[HokuApps]

A stack is a collection of objects in which objects are accessed in LIFO (Last In First Out) fashion. Whereas a queue is a collection of objects in which objects are accessed in FIFO (First In First Out) sequence.

[HokuApps]

Working principle	LIFO (Last in First out)	FIFO (First in First out)
Structure	Same end is used to insert and delete elements.	One end is used for insertion, i.e., rear end and another end is used for deletion of elements, i.e., front end.
Number of pointers used	One	Two (In simple queue case)
Operations performed	Push and Pop	Enqueue and dequeue
Examination of empty condition	Top == -1	Front == -1 || Front == Rear + 1
Examination of full condition	Top == Max - 1	Rear == Max - 1
Variants	It does not have variants.	It has variants like circular queue, priority queue, doubly ended queue.
Implementation	Simpler	Comparatively complex

[EdSim]

A stack is a collection of objects in which objects are accessed in LIFO (Last In First Out) fashion. Whereas a queue is a collection of objects in which objects are accessed in FIFO (First In First Out) sequence.

[lebar.123]

A stack is a collection of objects in which objects are accessed in LIFO (Last in first out) fashion. Whereas aqueueis a collection of objects in which objects are accessed in FIFO(First in First out) sequence.

The best answer, this is how stack and queue work.

[technodesign]

A stack is a collection of objects in which objects are accessed in LIFO (Last in first out) style. Where as queues collection of things in which things are utilized in FIFO(First in First out) series.

[ravig]

Stack and queue both uses in data structures. Both are used to store the data with only difference who will be selected or out first. Stack is LIFO, last in first out and queue in FIFO, first in first out.