How to implement a Queue using Array in Java?
What is Enqueue, Dequeue, Peek and how Queue follows FIFO (First In First Out) principle?

Welcome to The Techzeen, where I explain Data Structures in Hindi/Urdu with simple logic, step-by-step coding, and interview-focused clarity

In this video, you’ll learn:
Queue Implementation using Array in Java
Enqueue (Insert element at rear)
Dequeue (Remove element from front)
Peek (Front element check)
Overflow & Underflow conditions explained
Print all Queue elements (circular array logic)
Time Complexity of all operations (O(1))

This tutorial is perfect for:
Beginners learning Java & Data Structures
Students preparing for Coding Interviews.
Anyone who wants to master FIFO logic with clear examples

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