ArrayList vs LinkedList in Java Explained (Technical Interview Prep)
What is the difference between an ArrayList and a LinkedList? It is one of the most common data structure questions asked in technical interviews. In this 5-minute animated tutorial, we visually break down how memory allocation works, time complexity (Big-O) for insertions and lookups, and exactly how to implement a LinkedList in Java from scratch.
📌 Topics Covered:
0:00 - ArrayLists vs LinkedLists
0:30 - Anatomy of a Node
1:10 - Head, Tail, and Null Pointers
1:50 - Traversal & Search (O(N) Time)
2:35 - The Superpower: Insertion (O(1) Time)
3:20 - Writing the Node Class in Java
3:55 - Writing the LinkedList While Loop
4:35 - Interview Cheat Sheet Summary
🔔 Subscribe for more visual Data Structures and Algorithms (DSA) tutorials to help you crush your next software engineering interview!
On this page of the site you can watch the video online ArrayList vs LinkedList in Java Explained (Technical Interview Prep) with a duration of hours minute second in good quality, which was uploaded by the user Weekend Debugger 20 March 2026, share the link with friends and acquaintances, this video has already been watched 6 times on youtube and it was liked by 0 viewers. Enjoy your viewing!
