C# Array vs ArrayList | Key Differences Explained with Examples
In this video, we break down the differences between Array and ArrayList in C# with simple examples. 🚀
🔹 What You’ll Learn:
✅ What is an Array in C#? (Fixed size, strongly typed, faster)
✅ What is an ArrayList? (Dynamic size, multiple types, legacy use)
✅ Performance differences (Boxing and Unboxing overhead)
✅ When to use Array, ArrayList, or List T in modern C#
✅ Side-by-side code examples
💡 Why watch this video?
👉 Helps you understand when to choose between Array, ArrayList, or List T
👉 Prevents performance issues in real-world applications
👉 Frequently asked in C# interviews and exams
📌 By the end, you’ll clearly know why ArrayList is mostly obsolete and why List T is the modern choice.
📌 Video Chapters:
0:00 Introduction – Array vs ArrayList dilemma
0:20 Specialist vs Generalist analogy
0:52 Array explained – fixed size, strong typing, speed
1:44 ArrayList explained – dynamic, flexible, but costly
2:45 The hidden cost – Boxing & performance impact
3:39 Why ArrayList is obsolete in modern C#
4:01 Modern replacement – List T explained
4:26 Final verdict – When to use Array vs List T
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🌐 Website/Blog: https://logicsunboxed.blogspot.com/
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