What is the difference between a stack and a queue? Give an example where you would use each.

Question

Accepted Answer

A stack is a data structure that follows the Last In First Out (LIFO) principle, while a queue follows the First In First Out (FIFO) principle.

Stack: Used in undo functionality in text editors. Example: Ctrl + Z in Microsoft Word.
Queue: Used in a printer queue where the first document to be printed is the one that was sent first.
Stack: Elements are added and removed from the top of the stack.
Queue: Elements are added at the rear and removed from the front of the queue.

Accepted Answer

stack is a LIFO data structure while a queue is a FIFO data structure. Stack: Last In First Out (LIFO), used in undo/backtracking, and recursion. Queue: First In First Out (FIFO), used in job scheduling, breadth-first search, and printing.

Accepted Answer

stack is a LIFO data structure while a queue is a FIFO data structure.

Stack: Last In First Out (LIFO), used in undo/redo functionality, backtracking, and recursion.

Queue: First In First Out (FIFO), used in job scheduling, breadth-first search, and printing.

What is the difference between a stack and a queue? Give an example where you would use each.

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