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Friends Of OpenJDK Today
Every article on foojay.io, newest first: OpenJDK, the JVM, Java tooling and the ecosystem around them, written by the Java community.
Preparing for Spring Boot 4 and Spring Framework 7: What’s New?
Spring Boot 4 and Spring 7 bring API changes, native threads, and resilience. Prepare your codebase for the upgrade.
New Features in Jakarta EE 11, with Examples
Launched on June 26, 2025, Jakarta EE 11 introduces one brand-new specification and updates 16 existing ones.
Semantic Caching with SpringBoot & Redis
Build semantic caching with Spring AI & Redis to cut LLM costs 80%. Cache by meaning, not exact text. Full tutorial with working demo.
Pattern-matching across different languages
With destructuring, pattern matching is a huge help to developers who want to write readable and maintainable code.
Run an Atlas cluster locally in minutes
You no longer need a cloud account to try MongoDB Atlas features. Spin up a fully compatible local cluster in seconds, with no login, no …
JC-AI Newsletter #2
The JC-AI Newsletter Vol.2 brings again a very interesting collection of articles worth considering.
Release V0.0.2 of Java DMX512 Library With Universes and USB-to-DMX support
Earlier this month, I released V0.0.1 of my new Java library to interact with DMX512 devices using (optionally) the Open Fixture Library …
Monolith vs Microservices in 2025
Monolith vs Microservices in 2025. Discover trends, trade-offs, and why simplicity and DX matter more than ever.
Why Java is Still Worth Learning in 2025: A Developer's 25-Year Journey
In 2025, Java offers something rare in the tech world: stability without stagnation, innovation without disruption, and a community that …