All Categories - Blog of Vincent VAUBAN
September 27, 2025 ·
This week’s 5-questions carousel hits: 🔸increment ref count 🔸question mark operator ?..
September 27, 2025 ·
As Java devs, we often mix these terms. Let’s clear the confusion once and for all. 🔸 FIELDS ...
September 27, 2025 ·
QUESTION: Which of the following objects should be used in Spring tests for server-side testing? ...
September 27, 2025 ·
🔑 Names matter. A cryptic variable name might save you seconds while typing… but it will...
September 27, 2025 ·
Non-static inner classes always capture a reference to their enclosing instance. That reference...
September 27, 2025 ·
When writing tests, failing fast isn’t always the best. Sometimes, you want to collect all...
September 27, 2025 ·
Ever seen this pattern? It “works”… until it doesn’t. Pulling every row to the app and...
September 27, 2025 ·
🚀 QUARKUS WAY @ApplicationScoped public class LoggerService { @Inject @ConfigProperty...
September 27, 2025 ·
1️⃣ ❌ File::delete no longer deletes read-only files It will now fail (e.g., return false / throw...
September 27, 2025 ·
Eclipse Adoptium just dropped Temurin 25.0.0+36-LTS — 22/09/2025. Perfect for prod upgrades,...
September 27, 2025 ·
You can pick Java → 25 right from the Initializr when scaffolding your next Spring Boot app (as...
September 27, 2025 ·
TLDR 🚀 @ConfigProperty (Quarkus/MicroProfile) ≈ Spring @Value for simple values, but no SpEL...
September 27, 2025 ·
Java 21 is already running in production for ~50% of attendees. Breakdown from the poll: 8% on...
September 27, 2025 ·
JDK 23 added two options to java.security.debug: 🔸 +thread → prints the thread and caller info ...
September 27, 2025 ·
There’s a pattern many teams miss 🌒: an engineer understands the problem 💡, slices the work...
September 27, 2025 ·
From the latest SPECjbb2015 numbers (higher is better): Versus older LTS: +113% critical...
September 21, 2025 ·
Ever needed the same codebase in a brand-new repo without dragging along all the old wiring?...
September 21, 2025 ·
🌟 Hello Fullstackers! As we move deeper into September, big projects are no longer just ideas...
September 21, 2025 ·
This week’s 5-question carousel hits: • Box • slices &[T]/&mut [T] • the ? operator ...
September 21, 2025 ·
⌨️ Typing speed matters more than we think. Faster typing = smoother coding flow, fewer...
