Jurassic JDK: Migrate or Extinct
65 million years ago, dinosaurs didn't adapt. They're gone. Your JDK 7 app is giving the same energy. 🫠 I spent a year and a half migrating …
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.
Aggregation Optimization in MongoDB: Unnecessary Unwinds (Part 2)
And why MongoDB might be a better relational database than you ever realized. Design reviews are one-on-one meetings where MongoDB experts …
Pi4J Drivers: Simplifying Sensor and Hardware Integration in Java
When developing Java applications for Raspberry Pi, Pi4J is one of the most popular libraries for accessing GPIO, I2C, SPI, PWM, and other …
On programming languages, targets, and platforms
I started as a Java developer, but for some time now, I have broadened my horizons. Recently, I thought about how early languages were …
784 viewsWhat's New In The June 2026 Azul Payara Release?
The June 2026 Azul Payara release ships a critical security fix across every supported branch, Jakarta EE 11 GA libraries, and key updates …
BoxLang 1.14.0: Query Transformers - Take Full Control of Your Query Results
BoxLang 1.14.0 ships a lot of exciting features - Dynamic Sets, Ranges, Inner Classes, JSONPath navigation - but one quietly powerful …
double, BigDecimal, or Fixed-Point? Precision, Performance, and Sane Choices for Numbers in Java
There is an evergreen debate in the Java world: Should you always use MARKDOWN_HASHeb731dbabfc7392f8ad8c1cdb326a26aMARKDOWNHASH for money? …
Systematic AI Coding: My Takeaways from the Eclipse Foundation Workshop in Brussels
Most developers using AI tools are still guessing. The Eclipse Foundation's first AI Coding Workshop in Brussels was built to change that. …
Aggregation Optimization in MongoDB: A Case Study From the Field (Part 1)
MongoDB, by virtue of its use of the document data model rather than the rows and columns of tabular RDBMSs, provides ways of modeling …
Quarkus Unpacked: Insights from the Foojay Podcast
I recently had the pleasure of joining the Foojay podcast to talk about Quarkus in depth. The conversation covered a lot of ground, from …