Queue Operations Explained | Enqueue | Dequeue | Peek | IsEmpty | IsFull
Queue Operations Explained | Enqueue | Dequeue | Peek | IsEmpty | IsFullIn this video, we break down core Queue operations clearly with visuals and code snippets: enqueue, dequeue, peek/front, rear, size, isEmpty, and isFull. You’ll see how a linear queue works, where it fails, and why circular queues fix those issues. We also talk about time complexity, common pitfalls, and interview-style questions.
Timestamps
00:00 Intro
00:35 What is a Queue
01:25 Enqueue
03:05 Dequeue
04:20 Peek and Rear
05:15 Size and isEmpty
06:10 IsFull and overflow
07:05 Linear vs Circular Queue
08:30 Time complexity and use cases
09:20 Quick interview tips
09:55 Wrap up
What you’ll learn
• When to use a queue in real projects and coding rounds
• How circular queues solve wasted space
• Common mistakes to avoid in enqueue and dequeue
• Big O for each operation
Resources mentioned
• Pseudocode templates for enqueue and dequeue
• Quick notes for circular queue pointers
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queue data structure
introduction to queue
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dequeue
front and rear
queue operations
circular queue
priority queue
array implementation of queue
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