Blog of Vincent VAUBAN

🍃 MockMVC: What does “Mock” ACTUALLY mean?

July 17, 2026 · spring

👉No Tomcat, No real network... When testing Spring MVC applications, you have probably used: ...

🌱🚀 Spring VS Spring Boot: 5 KEY DIFFERENCES without the confusion

July 17, 2026 · spring

Spring and Spring Boot are not competing frameworks. Spring Boot is built on top of Spring. It...

🗄️⚠️ SPRING DATA findAll(): CONVENIENT, BUT NOT ALWAYS SAFE Inspired by Java Champion Vlad Mihalcea.

July 17, 2026 · spring

Spring Data makes repository creation incredibly easy: But this also exposes findAll() by...

🔐🍃 Advanced AUTHORIZATION in SPRING SECURITY: secure the method, NOT JUST the endpoint

July 17, 2026 · spring

🔸 TL;DR In Spring Security, authorization is not only about protecting URLs. Sometimes the...

🛠️🍃 SPRING TOOLS 5.2.0: BETTER IDE support for Spring developers

July 17, 2026 · spring

🛠️🍃 SPRING TOOLS 5.2.0: BETTER IDE support for Spring developers 🔸 TL;DR Spring Tools is the...

🗄️☕ HOW HIBERNATE STORES SECOND-LEVEL CACHE ENTRIES inspired by Java Champion Vlad Mihalcea

July 11, 2026 · jakartaee

Hibernate’s second-level cache does NOT store complete Java object graphs. It stores entity...

🧊☕ IMMUTABLE DATA IN JAVA: NOT JUST final

July 11, 2026 · java

🔸 TL;DR Immutable data is data that represents the SAME fact over time. Not “an object...

📊[POLL] Will clients REALLY REPLACE programmers with AI? MAINTENANCE/ EMERGENCY/ TRADEOFF_PICK/ CLEAR_NEED

July 11, 2026 · poll

AI can generate code. Sometimes very good code. But clients do not only pay developers...

☠️☕ NULLS ARE NOT DEAD… BUT THEY ARE FINALLY BEING TRACKED

July 11, 2026 · spring

🔸 TL;DR JSpecify is becoming a BIG DEAL for Java null-safety. With Spring Boot 4 and Spring...

🔐☕ SECURE BY DESIGN: STOP PUTTING JAVA SECRETS IN YOUR CODE inspired by Java Champion Alex Soto

July 11, 2026 · AI

That simple prompt starts Alex Soto’s demo on protecting Java applications with HashiCorp Vault...

🍃💾 SPRING DATA 2026.0 IS GA: SAFER PATHS, REDIS LISTENERS, BULK WRITES & UPSERTS

July 11, 2026 · spring

Spring Data 2026.0, also known as Spring Data 4.1, is now generally available from Maven Central....

🧩☕ GUESS THE FIRST JAVA VERSION: Autoboxing 📦

July 11, 2026 · java

🔸 THE QUESTION Which Java version first made this code valid? ▪️ Java 1.1 ▪️ Java 1.3 ▪️...

🕰️☕ JAVA DE-EVOLUTION: what modern Java really saves you from Java did not just “add syntax sugar.” inspired by Java Champion Ben Evans

July 11, 2026 · java

#Java #OpenJDK #Java25 #Java17 #PatternMatching #Records #SealedClasses #SoftwareEngineering ...

🤫MEETUP? Lemme tell you a secret... Start an entourage

July 11, 2026 · soft-skills

“You are the sum of the people you surround yourself with.” 🔸 TL;DR Your environment shapes...

🗄️⚙️ How to call ORACLE STORED PROCEDURES and FUNCTIONS with JPA and HIBERNATE from Java champion Vlad Mihalcea

July 11, 2026 · jakartaee

🔸 TL;DR Calling Oracle stored procedures and functions from JPA/Hibernate is not hard. The...

🔐🛡️ JWT RESOURCE SERVER IN SPRING BOOT: VERIFY, CONVERT, AUTHORIZE

July 11, 2026 · spring

JWT security in Spring Boot is powerful… but only when we separate responsibilities clearly. A...

🧘♂️🧼 FIVE JAPANESE MINDSET PRINCIPLES FOR CLEANER CODE

July 11, 2026 · java

Clean Code is not only about syntax. It is also about habits, discipline, and mindset. Here is...

📊[POLL] When is “Done” REALLY DONE?

June 29, 2026 · poll

In software engineering, “done” can mean very different things depending on the team, the product...

Project Valhalla explained by Cay Horstmann ☕🏆 (Java Champion)

June 29, 2026 · java

If you care about Java performance and the future of the JVM, Cay Horstmann’s talk on Project...

🛠️🔁 MODERNE OPENREWRITE: MIGRATE SPRING BOOT WITHOUT GUESSING

June 29, 2026 · spring

Migrating a Spring Boot application is not just about changing a version number in pom.xml. 😅 ...

All Categories - Blog of Vincent VAUBAN

🍃 MockMVC: What does “Mock” ACTUALLY mean?

🌱🚀 Spring VS Spring Boot: 5 KEY DIFFERENCES without the confusion

🗄️⚠️ SPRING DATA findAll(): CONVENIENT, BUT NOT ALWAYS SAFE Inspired by Java Champion Vlad Mihalcea.

🔐🍃 Advanced AUTHORIZATION in SPRING SECURITY: secure the method, NOT JUST the endpoint

🛠️🍃 SPRING TOOLS 5.2.0: BETTER IDE support for Spring developers

🗄️☕ HOW HIBERNATE STORES SECOND-LEVEL CACHE ENTRIES inspired by Java Champion Vlad Mihalcea

🧊☕ IMMUTABLE DATA IN JAVA: NOT JUST final

📊[POLL] Will clients REALLY REPLACE programmers with AI? MAINTENANCE/ EMERGENCY/ TRADEOFF_PICK/ CLEAR_NEED

☠️☕ NULLS ARE NOT DEAD… BUT THEY ARE FINALLY BEING TRACKED

🔐☕ SECURE BY DESIGN: STOP PUTTING JAVA SECRETS IN YOUR CODE inspired by Java Champion Alex Soto

🍃💾 SPRING DATA 2026.0 IS GA: SAFER PATHS, REDIS LISTENERS, BULK WRITES & UPSERTS

🧩☕ GUESS THE FIRST JAVA VERSION: Autoboxing 📦

🕰️☕ JAVA DE-EVOLUTION: what modern Java really saves you from Java did not just “add syntax sugar.” inspired by Java Champion Ben Evans

🤫MEETUP? Lemme tell you a secret... Start an entourage

🗄️⚙️ How to call ORACLE STORED PROCEDURES and FUNCTIONS with JPA and HIBERNATE from Java champion Vlad Mihalcea

🔐🛡️ JWT RESOURCE SERVER IN SPRING BOOT: VERIFY, CONVERT, AUTHORIZE

🧘♂️🧼 FIVE JAPANESE MINDSET PRINCIPLES FOR CLEANER CODE

📊[POLL] When is “Done” REALLY DONE?

Project Valhalla explained by Cay Horstmann ☕🏆 (Java Champion)

🛠️🔁 MODERNE OPENREWRITE: MIGRATE SPRING BOOT WITHOUT GUESSING

☕🍃🔍

🍃 MockMVC: What does “Mock” ACTUALLY mean?

🌱🚀 Spring VS Spring Boot: 5 KEY DIFFERENCES without the confusion

🗄️⚠️ SPRING DATA findAll(): CONVENIENT, BUT NOT ALWAYS SAFE Inspired by Java Champion Vlad Mihalcea.