Introduction Java 21 has just been released, bringing a host of new features, enhancements, and improvements to the language and platform. In this post, we'll dive into the most significant changes introduced in Java 21 and how they can benefit your development process. Whether you're a seasoned Java developer or just starting out, understanding these updates will help you stay ahead in the ever-evolving Java ecosystem. Table of Contents Overview of Java 21 Key New Features Pattern Matching for switch Record Patterns Virtual Threads (Project Loom) Foreign Function & Memory API Performance Improvements Deprecated and Removed Features How to Upgrade to Java 21 Conclusion 1. Overview of Java 21 Java 21 marks another major release in the Java SE platform, continuing the tradition of regular feature updates. This release focuses on enhancing the developer experience, improving performance, and introducing new language features that make Java code more concise and expressive. 2...
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