How to write clean code in Java doesn't follow one specific set of guidelines. Programmers should adopt one Java style guide, minimize class size, provide logical names and reuse existing code to make ...

Java 16 introduced basic pattern matching with the finalized instanceof method. For more advanced features, like pattern matching in switch, record patterns, and guarded cases, you need Java 21+.

Learn how to write and validate unit tests with JUnit 5. This article shows you how to configure a Maven project for JUnit, write basic and parameterized unit tests, and use JUnit 5’s built-in ...