Java 21 Features
Java 21 Features: The Complete Guide for Developers Java 21, released in September 2023, is a major Long-Term Support (LTS) release. It brings cutting-edge features like virtual threads, record patterns, string templates, and more. Let’s dive into what’s new in Java 21! 1. Virtual Threads (JEP 444) Part of Project Loom, virtual threads are lightweight threads that scale your applications with minimal changes. try (var executor = Executors.newVirtualThreadPerTaskExecutor()) { executor.submit(() -> System.out.println("Hello from a virtual thread!")); } They’re ideal for handling high-concurrency applications like web servers. 2. Record Patterns (JEP 440) Pattern matching now supports records, making deconstruction more elegant: record Point(int x, int y) {} static void print(Object obj) { if (obj instanceof Point(int x, int y)) { System.out.println("x = " + x + ", y = " ...