All Categories - Blog of Vincent VAUBAN
🔸 TL;DR HotSpot made Java fast by using runtime profiling + JIT compilation to optimize the...
🔸 TL;DR Dev consensus can lie. Users don’t think like programmers. Watch users attempt real...
🔸 TL;DR ▪️ If Java becomes “the new COBOL,” it might simply mean: it’s trusted for critical...
🔸 WHY SPRING CERTIFICATION IS A GREAT ASSET TODAY ▪️ Validates real-world, production-ready...
🔸 THE CHALLENGE (TRY BEFORE YOU SCROLL) You have an EJB timer method annotated like this: ...
Ever needed to compare what you have now vs what you had last render? That’s exactly what...
When an API feels “slow”, it’s rarely one thing. It’s usually too much data, too many calls, or...
☕🎓 JAVA 21 OCP — TEST YOURSELF (3 QUESTIONS IN THE CAROUSEL) 🚀 🔸 WHY JAVA CERTIFICATION IS A...
You’ve probably seen it: Controller → Service → Facade → Manager → Helper → Adapter → Provider...
Why these choices? ▪️ Inside.java → straight from the OpenJDK / Java platform ecosystem: JEPs,...
🔸 TL;DR ▪️ JPA maps Java objects to relational tables so you work with entities instead of raw...
2026年1月8日 ·
As a passionate advocate for cloud-native Java development, I’ve been actively producing...
🔸 TLDR ▪️ Refactoring = improving code structure without changing what it does ✅ ▪️ Do it in...
2025年12月29日 ·
Java’s type system has a few “ghost” types: the compiler uses them, you benefit from them… but...
🔸 WHY SPRING CERTIFICATION IS A GREAT ASSET TODAY ▪️ Validates real-world, production-ready...
🔸 TLDR JSF/Jakarta Faces is a component-based, server-side UI framework for Java web apps,...
2025年12月29日 ·
🔸 TLDR ▪️ A useLocalStorage hook keeps your React state persistent by reading from localStorage...
🔸 TL;DR Distributed tracing lets you see a single request hop through multiple services using...
🔸 WHY JAVA CERTIFICATION IS A GREAT ASSET TODAY ▪️ Signals up-to-date skills (Java 21: virtual...
That Clean Code recommendation — “Split overloaded classes into specific ones.” — is basically a...
