How to implement Stack using Linked List in Java?
Why is Stack implemented with Singly Linked List and not with Doubly or Circular Linked List?

Welcome to The Techzeen, where DSA concepts are explained in Hindi/Urdu with step-by-step clarity, dry run diagrams, and real coding.

In this video, I’ll cover:
Why Stack is implemented with Singly Linked List (not doubly or circular)
Creation of Stack using Linked List in Java
Push operation explained with pointer adjustments
Pop operation with proper underflow handling
Peek operation (accessing top element)
Dry Run with Diagram to understand LIFO (Last In, First Out)
Full Java Code Implementation step by step
Time Complexity Analysis:
* Push → O(1)
* Pop → O(1)
* Peek → O(1)
* Traversal/Printing → O(n)

This tutorial is perfect for:
* Beginners learning DSA in Java
* Students preparing for Coding Interviews.
* Anyone who wants clarity in Stack logic with Linked List

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