Java Collections – Lists, Sets Explained

Published: 09 February 2026
on channel: CodeBridge

In this video, you’ll learn Java Collections – Lists and Sets in a simple and beginner-friendly way. The Java Collections Framework is one of the most important parts of Java, and understanding it will make your programming faster, cleaner, and more professional.

We’ll start by explaining what the Java Collections Framework is and why it’s used. Then you’ll dive into List and Set interfaces with clear examples, including popular implementations like ArrayList, LinkedList, HashSet, and TreeSet. You’ll see the differences between Lists and Sets, when to use each one, and how they behave with duplicate elements and ordering.

📌 In this tutorial, you will learn:

What is Java Collections Framework?
What is List in Java and how it works
What is Set in Java and how it works
Difference between List and Set
ArrayList vs LinkedList (basic idea)
HashSet vs TreeSet (basic idea)
Real examples using Lists and Sets
Best practices for using Collections in Java

This video is perfect for beginners, students, and anyone learning Java who wants to build a strong foundation in data structures and collections.

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