An initializer that makes complex class initialization possible. A class block initializer consists of the static keyword, an open brace character, initialization code, and a close brace character.

Download the source code for example applications in this tutorial. Created by Jeff Friesen. We’ll look at each of these methods and how you can use them to perform special tasks in the context of ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

Project Valhalla's JEP 401 will bring value classes to JDK 28, removing object identity from Java types in a 197,000-line change twelve years in the making ...

We discuss some of the most common design patterns in Java and how they can help you solve common coding issues. Learn more. A design pattern is a well-established and documented solution to a common ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The easiest way to garner user input in a Java program is to use the System’s Console class.

UML is used as a representation of the Java programming language. Using sample class and sequence diagrams, you can see how UML conveys unambiguous code-mapping information to developers. Class ...

The current version, OpenJDK 25, was released in the fall of 2025, with many vendors offering Long-Term Support (LTS). Many companies use such releases as a stability anchor for migrations and ...

Don't hold your breath, though – architect Brian Goetz warns devs it will likely still be preview in next LTS release ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The implementation of Java 8 Lambda expressions required an introduction to a number of new ...