What is a Priority Queue in Data Structures?
Why do we need Priority Queue and why is it mostly implemented using a Heap?

Welcome to The Techzeen, where I explain DSA concepts in Hindi/Urdu with clarity, real-life examples, and coding interview focus

In this video, you’ll learn:
What is Priority Queue in Data Structures?
Difference between Normal Queue vs Priority Queue
Why and Where Priority Queue is used
Real Life Examples:
Hospital Emergency Room (Critical cases first)
CPU Scheduling (High priority process first)
Networking Routers (Important packets first)
Why Priority Queue is implemented using Heap (Binary Heap)
* Insert → O(log n)
* Delete highest priority → O(log n)
* Peek → O(1)
Comparison with Array and Linked List based implementation

This tutorial is perfect for:
Beginners learning Data Structures in Java
Students preparing for Coding Interviews
Anyone who wants to understand Priority Queue + Heap in simple terms

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