Friends of OpenJDK

Friends of OpenJDK Today

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

This article is the first of two articles covering the draft of a new iterator-based stack walking API, which builds the base for the …

Aug 9, 2023 Roni Dover

An easy non-obtrusive way to collect data about your dockerized app without changing your existing docker-compose.yml or docker files.

Sealed classes and interfaces with pattern matching provide powerful new tools for more explicit, controlled, and flexible design in Java.

An introduction to how OpenRewrite can help you modernize your application, refactor it, perform migrations, and more!

Aug 7, 2023 Sumith Puri

Learn how to configure Kafka topics and create a Java-based Kafka Consumer and Producer, withApache Kafka v3.4 on Windows 10.

Not just a technical manual, Simon Ritter's new book is a companion on a journey through the complexities of OpenJDK migration.

In this tutorial, I want to show you how you can read the temperature, humidity, and pressure from a BME280 Sensor.

As we inch to the release of JDK 21 in September (next month!), get familiar with the features and improvements this version will bring!

Have you ever wondered how safepoints are implemented in the OpenJDK? Follow me down the rabbit hole into the inner workings of the JVM.

This review is about Designing APIs with Swagger and OpenAPI by Joshua S. Ponelat and Lukas L. Rosenstock from Manning.