What is JVM Bytecode?
Everyone who programs in Java is familiar with the term "bytecode". But how many of us understand what JDK bytecode actually is?
foojay is a place for friends of OpenJDK, providing free, reference materials and blogs for daily Java usage.
Everyone who programs in Java is familiar with the term "bytecode". But how many of us understand what JDK bytecode actually is?
A couple of weeks ago, JavaFX version 15 was released. These are some of the highlights and improvements we’ve selected for you to …
The HotSpot JVM has a lot of options available. I have summed up here some of the most useful JVM options in the context of heap sizing.

foojay.io has had a bit of a facelift over the past week. Now you can see directly on the homepage all the key pieces that make up foojay.
Let's continue this series, by looking at JEP 330, Launch Single-File Source-Code Programs, which is a new features introduced in OpenJDK …
The capability of the JVM to overcome problems related to hardware and operating systems is why we're seeing inventions of new languages on …
From OpenJDK 11 onwards, you get the option to launch a single Java source file directly, without intermediate compilation.

Today we introduce a community manager for all things Raspberry Pi on foojay, Frank Delporte. He'd love to publish your Java/Raspberry Pi …

Here are complete and thorough steps for having a working Java JDK with JavaFX 11 on the Raspberry Pi using a ARMv6 Processor.

Announcement of a new open-source utility: JmFrX, a tool for capturing JMX data with Java Flight Recorder, making it available for offline …