Brian Vermeer
3,591 viewsEnsuring Safe and Reliable AI Interactions with LLM Guardrails
We know that LLMs can and will make mistakes, and while enriching your prompts with the proper context can help align results with your …
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.
Brian Vermeer
3,591 views
Tim Kelly
14,460 viewsYour Complete Guide to Diagnose Slow Queries in MongoDB
MongoDB is built to be fast. The real win comes from knowing how to keep it that way, even as your app grows and your data gets more …
Jonathan Vila
2,454 viewsSonar Connect Amsterdam 2025
Sonar Connect Amsterdam : learn about code quality and code security specially when using AI generated code.
2,539 viewsFoojay Podcast #73: JCon Report, Part 2 – Evolutions in the Java language and runtime
In the second part of our JCON interviews, recorded at the conference in May, we focuses on general evolutions within the Java world and how …
Improving my previous OpenRewrite recipe
I started discovering OpenRewrite last week by writing a Kotlin recipe that moves Kotlin files according to the official directory …
Frank Delporte
4,683 viewsHow ReadyNow Improves Java Warmup Time
This is the second article in a series on faster Java application warmup. The first blog post, Faster Java Warmup: CRaC versus ReadyNow, …
Vivekanandan Sakthivelu
5,822 viewsJava Concurrency Best Practices for MongoDB
In a multi-threaded, distributed environment like MongoDB, when clients execute queries concurrently, operations interleave with one another …
Ondro Mihalyi
6,212 viewsPerformance Best Practise No. 1: Optimize Database Operations
Boost Jakarta EE database performance by leveraging the following best practices.
Jennifer Reif
6,627 viewsIntro to RAG: Foundations of Retrieval Augmented Generation, part 2
In this blog post, we'll explore the different layers of RAG, including vector RAG, graph RAG, and agents.
Nicolas Frankel
1,861 viewsAuthoring an OpenRewrite Recipe
I've been eying OpenRewrite for some time, but I haven't had time to play with it... yet.