#84 ArrayList Java In Tamil | Dynamic Array Methods Tamil | add() remove() get() Collections [2025]

Published: 30 July 2025
on channel: Astral Grid

📌 Welcome to Episode 84 of the Astral Grid Java Course in Tamil! In this video, we master ArrayList - the most popular and widely used collection in Java. Learn how to work with dynamic arrays that can grow and shrink automatically during runtime!

👨‍🏫 *What You'll Learn in This Episode:*
✅ What is ArrayList in Java?
✅ ArrayList vs Array - Key differences and advantages
✅ Creating ArrayList with different constructors
✅ Generic ArrayList: ArrayList String, ArrayList Integer
✅ Essential methods: add(), remove(), get(), set(), size()
✅ Adding elements: add(element), add(index, element)
✅ Removing elements: remove(index), remove(object), clear()
✅ Accessing and modifying: get(), set(), indexOf(), contains()
✅ ArrayList iteration: for loop, enhanced for loop, Iterator
✅ ArrayList capacity vs size concept
✅ Performance characteristics: When to use ArrayList
✅ Real-world examples: Student management, shopping cart
✅ Common operations and best practices
✅ Hands-on coding with Tamil explanation and method demonstrations

🔍 ArrayList is the go-to collection for most Java applications! Master this fundamental data structure to handle dynamic data efficiently. Essential knowledge for building scalable applications and acing technical interviews.

💬 Drop your thoughts, questions, and suggestions in the comments! Let us know what Java topic you'd like us to break down next.

📚 This episode is part of our Java Full Course in Tamil [2025] – a complete roadmap from beginner to advanced Java concepts.

🔔 *Subscribe to Astral Grid for More Java Tutorials in Tamil:*
/ @astralgrid

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