☕ Java Streams vs Reactive Programming — Which One’s a Trap?
Let’s be honest. Half the developers talking about “Reactive Programming” don’t even know what’s actually happening under the hood. And… Continue reading on Javarevisited »…
Read More☕ Java Streams vs Reactive Programming — Which One’s a Trap?
The @Autowired Bug That Cost Us 3 Days
Two “harmless” PRs merged — and production exploded at 2 AM with NullPointerExceptions everywhere Continue reading on Javarevisited » This post first appeared on Read More
How to Control Access in AWS the Smart Way
When I started using AWS for my first real project, I thought “controlling access” simply meant creating users and giving them permission… Continue reading on…
Why 80% of Spring Apps Have This Memory Leak
We spent days profiling, and the culprit wasn’t a leak at all — it was Spring itself. Continue reading on Javarevisited » This post first appeared on…
Review — Is Mobile System Design Interview: An Insider’s Guide book by ByteByteGo Worth it?
Review — Is Mobile System Design Interview: An Insider’s Guide book by ByteByteGo Worth it? Finally — a system design book that focuses on mobile apps. Here’s why ByteByteGo’s latest…
How I Cut My Java Build Times by 60% (and Reclaimed My Focus)
Real-world tips for optimizing builds, managing dependencies, and streamlining your development flow. Continue reading on Javarevisited » This post first appeared on Read More
Essential JPA Methods Every Spring Boot Developer Should Master
From Save() to Advanced Query Techniques. A comprehensive guide for Java developers at all levels Continue reading on Javarevisited » This post first appeared on…
The Adapter Pattern: Bridging Two Worlds in Object-Oriented Design
Have you ever tried plugging your laptop charger into a foreign country’s wall socket, only to realize that the pins don’t fit? Continue reading on…
Java 25: The Features That Made Me Excited About Java Again
“I’ll be honest — after many years of Java development, I was getting a bit complacent. Sure, I kept up with new releases, but nothing… Continue reading…
Stop Using Shared Mutable State — Embrace Immutability for Safer Code
Stop Using Shared Mutable State — Embrace Immutability for Safer Code Why shared mutable state causes subtle bugs — and how immutability (and tools like CodeRabbit) help you write safer,…
Review — Is Educative a Good Place to Learn AI and LLM Engineering?
Review — Is Educative a Good Place to Learn AI and LLM Engineering? My favorite Artificial Intelligence, Gen AI and LLM courses on Educative.io Hello guys, Artificial…
I Tried 30+ Coursera Certifications Here are Top 10 I Recommend
My favorite Coursera certifications and Courses for 2025 and 2026. Hello guys, Online learning has changed the game for skill development, and Coursera is one of…
The Annotation That Crashed Our Database
I added @Transactional to a method at 3 PM. Continue reading on Javarevisited » This post first appeared on Read More
Playing with sound in java
A discovery of Java Sound API Sound in an application isn’t always just about playing an MP3 file. What if we could see the music? Or…
How One Thread Pool Brought Down Production
Our payment service stopped responding at 2:47 AM on Black Friday. Continue reading on Javarevisited » This post first appeared on Read More