What is a stack data structure?

A stack is a linear data structure that follows the principle of Last In First Out (LIFO). This means the last element inserted inside the stack is removed first. You can think of the stack data structure as the pile of plates on top of another. Here, you can: And, if you want the plate at the bottom, you must first remove all the plates on top.

What is a stack?

A Complete Tutorial Stack is a linear data structure that follows LIFO (Last In First Out) Principle , so the last element inserted is the first to be popped out. In this article, we will cover all the basics of Stack, Operations on Stack, its implementation, advantages, disadvantages which will help you solve all the problems based on Stack.

How does a stack work?

A stack is a linear data structure that follows the Last-In-First-Out (LIFO) principle. It behaves like a stack of plates, where the last plate added is the first one to be removed. Think of it this way: Pushing an element onto the stack is like adding a new plate on top. Popping an element removes the top plate from the stack.