4.2 Lists in Java (ArrayList, LinkedList)

In this lecture of the Complete Java Course – From Fresher to Expert, you’ll understand how the List interface works in Java and how different implementations like ArrayList, LinkedList, and Vector behave internally.

You’ll learn when to use which List type for best performance, memory efficiency, and thread safety 🚀

🔥 What You’ll Learn

What is the List interface in Java (part of the Collection framework)

ArrayList – dynamic array implementation

LinkedList – doubly-linked structure

Vector – synchronized legacy implementation

Difference between ArrayList, LinkedList, and Vector

CRUD operations: add, remove, get, contains, iteration

Using ListIterator, forEach, and streams

Performance comparisons and best practices

💻 Hands-on IntelliJ demo with live coding and output analysis included!

🧠 About This Course

The From Fresher to Java Expert series by SPS Tech helps you go from Core Java fundamentals to real-world development — covering OOP, Collections, Exception Handling, Multithreading, and JDBC — making you job-ready as a Java Developer.

📘 Complete Java Course Playlist:
👉    • 2.5 Strings in Java Explained - Part 3  

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Do read my pick of the best basic Java interview questions:-https://sps-tech.in/interview-questions/

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