How to implement Stack using Array in Java?
What is Stack Overflow / Underflow and how do we handle it?

Welcome to The Techzeen, where DSA concepts are explained in Hindi/Urdu with clarity, code, and real-life examples.

In this video, I’ll cover:
What is Array-based Stack? (concept + logic)
How to create a stack in Java using arrays
Insertion (Push) operation with overflow handling
Deletion (Pop) operation with underflow handling
Peek (top element access) explained clearly
Utility functions: isEmpty(), isFull(), printStack()
Complete Java Code Implementation with Dry Run
Time Complexity Analysis:
* Push → O(1)
* Pop → O(1)
* Peek → O(1)

This tutorial is perfect for:
* Beginners learning DSA in Java
* Students preparing for Coding Interviews.
* Anyone who wants to understand Stack with Arrays step by step.

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