Blog of Vincent VAUBAN

📊POLL: As a Java developer, what kind of manager do you feel helps you grow the most? TECH/ NON_TECH/ DEPENDS/ NO PREF

December 15, 2025 · techlead,programmmer,workplace

As a Java developer, what kind of manager do you feel helps you grow the most? 👇 - Tech...

⚙️🛡️ BUILDING RESILIENT APIS: DESIGN PATTERNS YOU SHOULD MASTER

December 15, 2025 · rest,api,architecture,techlead

🔸 TL;DR Resilient APIs don’t “just work” — they fail gracefully. Timeouts, retries, rate...

💾⚙️ SPRING @TRANSACTIONAL PROPAGATION — WHAT REALLY HAPPENS?

December 15, 2025 · springboot,spring,java,programmmer

🔸 TL;DR ▪️ A transaction = all-or-nothing unit of work (commit everything or rollback...

🧑‍💻📏 HOW TO EVALUATE A DEVELOPER (WITHOUT COUNTING LINES OF CODE)

December 15, 2025 · techlead,team,programmmer

🔸 TL;DR Evaluating a developer isn’t just about “are there bugs?”. Look at code quality,...

🚦🧱 CHAIN OF RESPONSIBILITY PATTERN EXPLAINED

December 15, 2025 · programmmer,techlead,pattern,architecture

🔸 TL;DR The Chain of Responsibility pattern lets you pass a request along a chain of handlers,...

🍃🎓 SPRING CERTIFICATION — TEST YOURSELF (3 QUESTIONS IN THE CAROUSEL) 🚀episod10

December 15, 2025 · springboot,spring,java,certification,slides

🍃🎓 SPRING CERTIFICATION — TEST YOURSELF (3 QUESTIONS IN THE CAROUSEL) 🚀 🔸 WHY SPRING...

☕🧡 JAVA & KOTLIN: SYNTAX SIDE-BY-SIDE (NOT A WAR 😄)

December 15, 2025 · java,kotlin,programmmer,techlead

Kotlin often looks “shorter”, but modern Java (records, virtual threads…) has caught up in many...

🧵⚙️ VOLATILE, SYNCHRONIZED & ATOMICINTEGER IN JAVA

December 15, 2025 · java,programmmer

Are you a fine "connoisseur" of Java multithreading? If so, you should know the difference...

☕🎓 JAVA 21 OCP — TEST YOURSELF (3 QUESTIONS IN THE CAROUSEL) 🚀episod10

December 15, 2025 · java,certification,java21,slides,ocp

☕🎓 JAVA 21 OCP — TEST YOURSELF (3 QUESTIONS IN THE CAROUSEL) 🚀 🔸 WHY JAVA CERTIFICATION IS A...

“Java is C++ without the guns, knives, and clubs.” — James Gosling

December 15, 2025 · java,quote

🛡️🔧 SAFETY WITHOUT THE FOOTGUNS Managed memory, no pointer arithmetic, strong tooling—Java...

📊 POLL: What’s the best programming language to start coding? 🤔 JAVA/ JS/ PYTHON/ OTHER

December 15, 2025 · java,poll,programmmer,techlead

I know, it depends 🤷‍. But I’m curious: if you had to recommend one language to an absolute...

📚🔎 API PAGINATION & FILTERING BEST PRACTICES

December 15, 2025 · rest,api,architecture,techlead,programmmer

🔸 TL;DR Pagination = split large result sets into chunks. Filtering = narrow results based...

🍃📗 PROPERTY PRECEDENCE (SIMPLIFIED)

December 15, 2025 · spring,springboot,programmmer,java

When your app reads the same property key from multiple places, which value wins? 🤔 Spring...

🧱🧩 SPRING MODULITH: MODULAR MONOLITHS DONE RIGHT

December 15, 2025 · springboot,spring,techlead,architecture,programmmer

Is your Spring Boot app secretly turning into a big ball of mud? 🧶 Spring Modulith helps you keep...

🍃➡️🧱 RESTTEMPLATE → RESTCLIENT: LEVEL UP YOUR HTTP CALLS

December 15, 2025 · spring,springboot,programmmer,java

Spring has officially deprecated RestTemplate in favor of the new RestClient (and WebClient for...

SPRING SOON IN PYTHON? 🐍🤝🍃

December 15, 2025 · spring,programmmer

Spring 7 goes polyglot with python, javascript & wasm 🔸 TLDR Spring Framework 7.1 is...

🍃🎓 SPRING CERTIFICATION — TEST YOURSELF (3 QUESTIONS IN THE CAROUSEL) 🚀 episod9

December 15, 2025 · spring,springboot,certification,slides,java

🍃🎓 SPRING CERTIFICATION — TEST YOURSELF (3 QUESTIONS IN THE CAROUSEL) 🚀 🔸 WHY SPRING...

Is Java a secret ingredient to happiness and success? 😊📈

December 15, 2025 · java,soft-skills

😊📈 HAPPINESS & SUCCESS: WHAT SCIENCE REALLY SAYS As Java developers, we’re used to chasing...

🧪⚙️ JUNIT 6 IS HERE: MODERN TESTING FOR JAVA 17+

December 15, 2025 · java,testing,release

🔸 TL;DR ▪️ JUnit 6 is the new major version after JUnit 5 🎉 ▪️ It targets Java 17+,...

🚦🧩 API VERSIONING IS COMING TO SPRING (FOR REAL)

December 15, 2025 · spring,springboot,video

Spring Framework 7 / Spring Boot 4 is bringing first-class API versioning support — and I’ve been...

All Categories - Blog of Vincent VAUBAN

📊POLL: As a Java developer, what kind of manager do you feel helps you grow the most? TECH/ NON_TECH/ DEPENDS/ NO PREF

⚙️🛡️ BUILDING RESILIENT APIS: DESIGN PATTERNS YOU SHOULD MASTER

💾⚙️ SPRING @TRANSACTIONAL PROPAGATION — WHAT REALLY HAPPENS?

🧑‍💻📏 HOW TO EVALUATE A DEVELOPER (WITHOUT COUNTING LINES OF CODE)

🚦🧱 CHAIN OF RESPONSIBILITY PATTERN EXPLAINED

🍃🎓 SPRING CERTIFICATION — TEST YOURSELF (3 QUESTIONS IN THE CAROUSEL) 🚀episod10

☕🧡 JAVA & KOTLIN: SYNTAX SIDE-BY-SIDE (NOT A WAR 😄)

🧵⚙️ VOLATILE, SYNCHRONIZED & ATOMICINTEGER IN JAVA

☕🎓 JAVA 21 OCP — TEST YOURSELF (3 QUESTIONS IN THE CAROUSEL) 🚀episod10

“Java is C++ without the guns, knives, and clubs.” — James Gosling

📊 POLL: What’s the best programming language to start coding? 🤔 JAVA/ JS/ PYTHON/ OTHER

📚🔎 API PAGINATION & FILTERING BEST PRACTICES

🍃📗 PROPERTY PRECEDENCE (SIMPLIFIED)

🧱🧩 SPRING MODULITH: MODULAR MONOLITHS DONE RIGHT

🍃➡️🧱 RESTTEMPLATE → RESTCLIENT: LEVEL UP YOUR HTTP CALLS

SPRING SOON IN PYTHON? 🐍🤝🍃

🍃🎓 SPRING CERTIFICATION — TEST YOURSELF (3 QUESTIONS IN THE CAROUSEL) 🚀 episod9

Is Java a secret ingredient to happiness and success? 😊📈

🧪⚙️ JUNIT 6 IS HERE: MODERN TESTING FOR JAVA 17+

🚦🧩 API VERSIONING IS COMING TO SPRING (FOR REAL)

☕🍃🔍

📊POLL: As a Java developer, what kind of manager do you feel helps you grow the most? TECH/ NON_TECH/ DEPENDS/ NO PREF

⚙️🛡️ BUILDING RESILIENT APIS: DESIGN PATTERNS YOU SHOULD MASTER

💾⚙️ SPRING @TRANSACTIONAL PROPAGATION — WHAT REALLY HAPPENS?