Ensuring the right usage of the Java 21 new features
How to ensure the right usage of the new version of Java 21, and improve performance and clarity in our code base.
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.
Calling Gemma with Ollama, TestContainers, and LangChain4j
Lately, for my Generative AI powered Java apps, I've used the Gemini multimodal large language model from Google. But there's also Gemma, …
IntelliJ IDEA and Open Liberty - Effective Java app development
How to use Liberty Tools for IntelliJ IDEA to enable rapid, easy, and efficient development of cloud-native Java applications with Liberty.
Search in Documentation with a JavaFX LangChain4j Chat
Let's use an existing documentation set as the data for a ChatGPT-like application, created with JavaFX and LangChain4J.
12 Text Tools For Developers
Text data and text manipulation of it is also part of a developer job. Let's see a few free text tools to simplify your job.
Java on Raspberry Pi 5 with Pi4J
Alexander Liggesmeyer contributed a new plugin to Pi4J: GpioDPlugin. As a Pi4J-user, he wanted to run his applications on the Raspberry Pi …
Debugging Streams with Peek
Learn how to debug Java streams effectively using the peek() method with practical examples and tips for optimizing your code.
How to Detect Cache Misses Using Observability
In this article, we'll examine cache misses and, in general, learn about the caching concept and how to implement it in Spring Boot.
6,243 viewsChanges Included in Release 24.02 of Azul Zing Builds of OpenJDK
In addition to many improvements and fixes, the new Stable Azul Zing Build of OpenJDK includes the new Long Term Support (LTS) version, …
Records for Cleaner and More Expressive Parameterized Tests in JUnit 5
Discover how Java records enhance parameterized testing in JUnit 5. Learn to create cleaner, more expressive, and type-safe tests.