Array vs ArrayList in Java | Internal Working Explained (Live Coding)
Confused between Array and ArrayList in Java?
In this video, you'll learn the difference between Array and ArrayList with simple explanations, professional infographics, and live coding demonstrations in IntelliJ.
We'll also understand how ArrayList works internally, why it automatically grows, and when you should choose Array over ArrayList in real Spring Boot applications and Java interviews.
📚 In this video you'll learn:
✔ What is an Array?
✔ What is an ArrayList?
✔ Array vs ArrayList comparison
✔ Live coding examples
✔ Internal working of ArrayList
✔ When to use Array
✔ When to use ArrayList
✔ Interview questions and real-world examples
⏱ Chapters
00:00 Introduction
00:32 What is an Array?
01:04 Array Demo in IntelliJ
02:35 What is an ArrayList?
02:56 ArrayList Demo in IntelliJ
05:27 Internal Working of ArrayList
06:53 Array vs ArrayList Comparison
07:17 When Should You Use Array vs ArrayList?
07:45 Conclusion
🚀 Perfect for:
• Java Beginners
• Java Interview Preparation
• Spring Boot Developers
• Backend Developers
• College Students
• Working Professionals
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