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- The new version Java 21, set to be released on 19 September 2023, is an LTS release that brings 15 finalized features including core language extensions, new features for developing multi-threaded code, and updates for the Z Garbage Collector and continued work on providing a JNI alternative.
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Jul 5, 2024 · In this article, we discussed a few notable changes delivered in Java 21. We discussed record patterns, pattern matching for switches, string templates, sequenced collections, virtual threads, string templates, and the new KEM API. Other enhancements and improvements are spread across JDK 21 packages and classes.
Dec 29, 2023 · Virtual Threads. Before exploring Virtual threads, let's examine the factors that led to the concept of virtuality in threads. Java has supported threads from Day 0, distinguishing it from other programming languages by integrating cross-platform concurrency and memory models.
1. Virtual Threads – JEP 444. What are Virtual Threads? Virtual threads are now a permanent feature in Java 21. They are lightweight threads managed by the JVM, allowing you to create and manage thousands of threads with minimal overhead. This is part of Project Loom, which aims to simplify concurrent programming in Java.
Oct 31, 2023 · As Java developers always want to enhance their Java application with more functionalities. So, with Java’s new version, JDK 21, shows how Java keeps improving. It’s holding new things for both beginners as well as for experts, making coding enjoyable and faster.
Sep 22, 2023 · Dávid Csákvári. 22 mins. Last updated on 2023/09/22 to include changes up to JDK 21. This article is also available in Chinese by Alex Tan. Since the release of version 8, up to version 21, Java is shaped by 232 JDK Enhancement Proposals (JEPs) and many more smaller updates, each of which brings some improvement to the platform.
Aug 21, 2023 · In Java 21 there are three brand-new preview features that I just can’t skip—and I love how diverse they are! They span from improving a Java workhorse to refining a programming paradigm to changing how beginners learn the language.
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What's new in Java 21?
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The Java platform now follows a six-month release cycle, and Java 21 has succeeded Java 17 as the most recent long-term support release (LTS). JDK 21 features a total of 15 JEPs (JDK Enhancement Proposals). You can view the complete list on the official Java site here.
