Java Cheat Sheet

🚀 Performance Tuning in Java – What Really Matters

Slow Java applications are usually not about Java being slow ❌
They’re about how we write, configure, and run Java code ⚙️

In this post, you’ll learn the most effective areas to tune for real performance gains:

✅ JVM memory & GC basics
✅ Object creation & memory leaks
✅ Streams vs loops – performance view
✅ Multithreading & concurrency tips
✅ Database & I/O bottlenecks

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🚀 Microservices Explained – SAVE THIS!

If you work with Java / Backend / System Design, this post is a must-have reference 📘

This post shows 5 proven ways microservices communicate in production systems

Inside this album:
✅ REST APIs
✅ Message Queues
✅ gRPC
✅ Event-Driven Architecture
✅ Service Registry

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