What is a Stack?
Learn what a stack data structure is and how it works, including its Last In First Out ordering and essential operations like push and pop. Understand real-world uses such as undo functionality and algorithms like Depth First Search.
We'll cover the following...
We'll cover the following...
Introduction #
We are all familiar with the famous Undo option, which exists in almost all popular applications. Have you ever wondered how that works? Well, you store the previous states of your work (which are limited to a specific number), in the memory in such an order that the last one appears first. You cannot really do this very efficiently with simple arrays; we will explore its reasons in the coming ...