Software Testing as a Debugging Tool
Software testing functions as a critical debugging tool, significantly enhancing code reliability and streamlining the development process.
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.
Oracle Alternatives Survey & Report
Azul is planning to issue an Oracle "alternatives" Report in late July, and would like your help to complete the survey.
Hello eBPF: XDP-based Packet Filter (9)
Learn about new support for XDP to create a simple package blocker for eBPF.
Diagnosing user-reported issues using WireQuery
WireQuery is a tool that helps you solve user-reported issues by combining session replay with capturing API calls. In this article, I will …
Building a Simple Home Assistant using Langchain4j and Raspberry Pi
Discover how to build a smart home assistant using Langchain4j and Raspberry Pi, featuring capabilities such as question-answering with RAG, …
SQL Query Optimization: How to Identify and Optimize Slow SQL Queries
In this article, we want to share our experience using real-life examples on how to identify and optimize slow SQL queries, especially when …
Spring AI: How to Write GenAI Applications with Java
We'll look at how to write GenAI applications with Java using the Spring AI framework and utilize RAG for improving answers.
Duplicate Finder for Documentation
Let's make a duplicate finder for documentation together – a tool to quickly detect non-exact, or fuzzy, matches in large text repositories.
Is your Java application ready for the next generation of server CPUs?
With every major cloud provider now offering Arm-based instances, it’s time to start looking at what you need to do to migrate your Java …
Remotely Recording a JFR Log from a Container (Without Using the Command Line)
JFR logs are easily obtained by simply going into the command line. But what if you don't have access to the command line or terminal …