Christian Stein

Christian is an open source software developer who is programming with Java since 1998. He has a passion for automated testing and joined the core JUnit Team in 2017, is an Apache Maven developer, and was granted OpenJDK Author status in 2019. Today, he's building (with) Bach: https://github.com/sormuras/bach

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Jakarta EE 11: Beyond the Era of Java EE

This user guide provides a brief history of Java EE/Jakarta EE and a detailed overview of some of the specifications that will be updated in Jakarta EE 11.

Stable, Secure, and Affordable Java

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Modules, Modules, Everywhere!

Since August 2018, I have been compiling an overview of Java modules uploaded to Maven Central. This overview is generated by the Scanner program and it is based on the results of the modulescanner that is run on Sonatypes hardware on every uploaded JAR file and stored in an AWS S3 bucket, setup together with the AdoptOpenJDK team at their #java9plusadoption Slack channel. Some of those uploaded JAR files are Java modules. They are the interesting subjects of this overview as they contain a module-info.class, a compiled module descriptor with a stable name and an explicit API their author(s) comitted to.

Feb 24 4,2K

Christian Stein

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If you want to know what I spoke about in @jcon_conference in Germany, here's an interview I did at the @foojayio podcast:

#Java #JCON #JakartaEE #AI #A2A

02:06 PM · May 04, 2026

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Our team loves to meet and talk with the Java community from around the world. If you want to learn more. You can find all OmniFish presentations at: https://speakerdeck.com/omnifish, including links to the source code of related demos. Or get in touch for a free consultation call.

10:13 AM · April 30, 2026

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Another happy customer :)
"Their expertise and flexible hands-on troubleshooting support accelerated resolution of several unexpected hurdles and ultimately got us to a successful upgrade outcome."

If you would like to discuss how we could help your company, get in touch.

09:55 AM · April 21, 2026