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🔍Java HashMap Internal Working

Ever wondered how Java’s HashMap really works under the hood—but without all the code and heavy theory?

In this video, we break down the internal mechanics of HashMap in a clean, code-free format that's perfect for experienced developers (11+ years) who want a refresher or deeper architectural understanding without diving into the source code.

✅ What you'll learn:
How HashMap stores key-value pairs
What happens during collisions
When and why resizing (rehashing) happens
How Java 8 improved performance with treeification
Why hashCode and equals are crucial
Thread safety concerns and best practices

Whether you're preparing for system design interviews, improving your performance tuning skills, or just brushing up on Java internals, this video delivers exactly what you need—fast and to the point.

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💬 Got questions or want a code-level version? Drop a comment below!

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