All Categories - Blog of Vincent VAUBAN
November 22, 2025 ·
Choosing a Java framework for microservices can feel… overwhelming. Spring Boot, Quarkus,...
November 22, 2025 ·
🔸 TL;DR ▪️ Spring Boot 4 splits the big spring-boot-autoconfigure jar into smaller, focused...
November 22, 2025 ·
When you build REST APIs with Spring MVC / Spring Boot, you almost never write to the HTTP...
November 22, 2025 ·
🔸 WHY JAVA CERTIFICATION IS A GREAT ASSET TODAY ▪️ Signals up-to-date skills (Java 21: virtual...
November 22, 2025 ·
AI can blast through the first draft fast—but shipping production-grade software is still hard...
November 22, 2025 ·
Writing code is easy. Reading it 6 months later… less so 😅 Here’s a recap of core Java code...
November 22, 2025 ·
🔸 QUIZ (CHOOSE ONE) ▪️ It defines the maximum number of consumer records processed per minute. ...
November 22, 2025 ·
📐 Problem Given a string containing only ()[]{}, determine if it’s well-formed: every opening...
November 22, 2025 ·
🔸 TL;DR Strings are a poor substitute for real types. If the data is a number, boolean, enum,...
November 22, 2025 ·
🔸 WHY SPRING CERTIFICATION IS A GREAT ASSET TODAY ▪️ Validates real-world, production-ready...
November 22, 2025 ·
🔸 TL;DR ▪️ Delegation is good… until your class just forwards calls. ▪️ If half the methods...
November 22, 2025 ·
🗣️“The art of being wise is the art of knowing what to overlook.” — William James 🔸 TL;DR ...
November 22, 2025 ·
🔸 TL;DR The ApplicationContext is Spring’s container. It creates and wires beans, manages...
November 22, 2025 ·
☕🎓 JAVA 21 OCP — TEST YOURSELF (3 QUESTIONS IN THE CAROUSEL) 🚀 eipsod7 🔸 WHY JAVA CERTIFICATION...
November 22, 2025 ·
Java devs, if you had to learn one next language, where would you invest your time? 🔸 JVM...
November 22, 2025 ·
🔸 TL;DR Use Swagger/OpenAPI annotations to turn your Spring REST APIs into living...
November 22, 2025 ·
🔸 TL;DR ▪️ Keep a clear file header, then package, then import. ▪️ Split the file into...
November 10, 2025 ·
It’s not about being famous. It’s about building trust. I’m not looking for attention. I...
November 10, 2025 ·
🔸 TL;DR ▪️ I pushed a tiny Spring Boot endpoint that validates request bodies with networknt...
November 10, 2025 ·
TL;DR Prefer interface types in your APIs and variables for flexibility and testability. Use a...
