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Friends of OpenJDK Today

foojay is a place for friends of OpenJDK, providing free, reference materials and blogs for daily Java usage.

How fast can you process a 1 billion rows text file in Java? That's the challenge that many Java developers tried to solve in January 2024.

Feb 21, 2024 Simon Ritter

Did you know switching your Java runtime helps reduce Cloud waste?

Most organizations don't incentivize for security. Hence, we need to be smart about it and use existing components as much as possible.

Are you a Jakarta EE developer interested in leveraging the power of NoSQL databases for your applications?

With Spring Boot 3.1, Testcontainers support for local development was added. This video will show you how this works and how to use it.

Recap of spending the day in AI and Machine Learning Developer Room at FOSDEM’24!

The most detected issues in Java projects by not following the clean code approach, and how to fix them with clear examples.

How to save money storing data in Cloud blob-stores instead of expensive databases through the use of the open-source …

Feb 13, 2024 Shai Almog

Explore the power of DTrace for system debugging and optimization: a comprehensive guide on its capabilities, performance, and applications.

We run benchmarks to see whether JDWP's onjcmd features improves the debugging performance.