What Happens When 10,000 JVMs Collaborate
By making one change, using Azul Platform Prime enhanced by Optimizer Hub, a global enterprise improved application responsiveness and …
Week in review: 13 October 2025
New authors
Welcome to Artur Costa, who published a first article on foojay.io this week.
Published this week
JC-AI Newsletter #7
Fourteen days have passed, and it is time to present a fresh collection of readings that could influence developments in the field of …
The Cost of Not Knowing MongoDB (Part 1)
The primary focus of this series is to show how much performance you can gain, and as a consequence, the cost you can save when using …
7 habits of Highly Effective Java Coding
Habits to work with the AI to write code that's actually good—solid, secure, and won't give the next person on your team a headache or your …
How Chat Memory Manipulation Can Ruin Your AI System
Did you know that by tampering with chat history, you're able to make LLMs respond and execute functions that are out of policy?
Beyond Keywords: Implementing Semantic Search in Java With Spring Data (Part 1)
Have you ever tried to search for something such as a product, a song, or a movie but couldn’t quite remember its exact name? Maybe you …
On dependencies in objects
In OOP, objects collaborate. The initial idea of collaboration, first found in Smalltalk, was for object A to send a message to object B. …
Testing the untestable
I'm currently working on a software designed more than a decade ago. It offers a plugin architecture: you can develop a plugin whose …