All Categories - Blog of Vincent VAUBAN
🧠🛰️ KAFKA STREAMS FEATURES QUIZ: WHAT’S REALLY BUILT-IN? 🔸 THE QUESTION (TRY BEFORE YOU SCROLL 👀...
🔸 TLDR 🧠 ▪️ Use Jakarta EE standards to build microservices cleanly: Client (JAX-RS Client) →...
TL;DR 🧾 Big-O tells you how runtime scales. Use it to avoid traps (like exponential time), but...
2026年3月8日 ·
🔸 TL;DR ▪️ Java: explicit, uniform, huge ecosystem, easiest to staff/maintain ✅ ▪️ Scala:...
🔸 TL;DR Records can use a compact canonical constructor to validate + normalize fields without...
2026年3月8日 ·
You already passed Java 11 ✅ So… is Java 21 certification worth it? 🔸 ✅ Yes—stay up to...
2026年3月8日 ·
🔸 TRY THIS QUICK QUIZ What Java version do you need for this code? class Example { sealed...
Ever ended a day thinking: “I solved something… but I’ll forget how I did it in 2 weeks”? ...
TLDR Renewed vExpert 🎖️ — a selective community recognition program (application + review +...
🔸 TLDR Guarded patterns let you add a boolean condition to a pattern case using when, so you...
🔸 TLDR In the Java WebSocket API (JSR 356 / Jakarta WebSocket), you can attach message...
2026年3月7日 ·
If Spring Boot helps you build one great app, Spring Cloud helps your apps behave like a system ...
🔸 TLDR ▪️ ArrayList is usually the fastest default list in Java (cache-friendly, constant-time...
G1 is the default GC in HotSpot, designed to balance latency + throughput. But that balance has a...
Ever built a “Copy” button for an URL, a promo code, or a code snippet? A tiny hook can keep...
🔸 TLDR ▪️ JAX-RS (Jakarta REST) lets you build clean REST APIs with annotations (@Path, @GET, ...
2026年3月6日 ·
“I get the sense most developers don't fully grasp where we are with AI. This is the worst it...
Everyone has a “top-tier” language in mind… but elite can mean different things: performance,...
🔸 TLDR ▪️ Static imports + autoboxing → think Java 5 🧠☕ 🔸 THE QUIZ (GUESS BEFORE READING...
🔸 TL;DR ▪️ I migrated a Spring Boot 3 app to Spring Boot 4 using OpenRewrite. ▪️ Add the...
