Java 23

Java 23, released on September 17, 2024, introduces numerous features enhancing developer productivity, performance, and accessibility. Key updates include pattern matching for primitive types, a Class-File API, Markdown support in JavaDoc comments, vector API improvements, and more efficient garbage collection with ZGC. It also simplifies modular programming and lowers the entry barrier for beginners with implicit class declarations and instance main methods. Safety in concurrent programming is improved through structured concurrency and scoped values.