Interested in Java functional programming? The first place you need to start, especially if you use the Streams API, is with this Java Function interface example.

The Java array size is set permanently when the array is initialized. The size or length count of an array in Java includes both null and non-null characters. Unlike the String and ArrayList, Java ...

Java has a powerful new concurrency model, and it works with both traditional and virtual threads. Here's a first look at structured concurrency.

Get started modeling entities and relationships for Java data persistence, using an example application based on Java 21 with Hibernate 6.3.