ArrayList vs LinkedList Explained (Java) | DSA + Backend + Interview Questions
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Most developers think they understand ArrayList and LinkedList… until an interviewer asks one simple question.
In this video, we go beyond basic definitions and cover:
ArrayList vs LinkedList (Java)
Internal working of ArrayList (resizing, capacity, memory)
LinkedList pointer logic (insertion, deletion, traversal)
Edge cases interviewers test
Real backend use cases (queues, cache, pipelines)
When to use ArrayList vs LinkedList in real projects
This video is part of my "Master Java Development – Job Switch Accelerator" series where we focus on real interview preparation + backend thinking.
If you're preparing for:
Java Developer interviews
Backend Developer roles
DSA rounds
This video will help you build strong fundamentals.
🔥 Topics Covered:
ArrayList in Java
LinkedList in Java
Array vs LinkedList difference
Time complexity explained
LRU Cache concept (LinkedList usage)
DSA for beginners
Java Collections Framework
👉 Subscribe for more:
DSA for Backend Engineers
Java Interview Preparation
Real-world System Design Basics
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