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1. www.oracle.com › java › technologiesJava Downloads | Oracle

   www.oracle.com › java › technologies

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   JDK Development Kit 21.0.3 downloads. JDK 21 binaries are free to use in production and free to redistribute, at no cost, under the Oracle No-Fee Terms and Conditions (NFTC). JDK 21 will receive updates under the NFTC, until September 2026, a year after the release of the next LTS.

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     GraalVM high-performance optimizing just-in-time compiler...

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     GraalVM for JDK 21.0.3 downloads. GraalVM for JDK 21...

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2. www.baeldung.com › java-lts-21-new-featuresNew Features in Java 21 | Baeldung

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   Apr 12, 2024 · Learn about the new features of Java 21, like record patterns and switch enhancements for cleaner code.

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4. howtodoinjava.com › java › java-21-new-featuresJava 21 Features (LTS): Practical Examples and Insights

   howtodoinjava.com › java › java-21-new-features

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   Jan 21, 2024 · Learn the new features in Java 21 LTS, including Virtual Threads, Unnamed classes, Sequenced Collections, Scoped Values, and Record Patterns.

5. www.oracle.com › java › technologiesJDK 21 Release Notes, Important Changes, and Information - Oracle

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   Sep 19, 2023 · Java™ SE Development Kit 21. These notes describe important changes, enhancements, removed APIs and features, deprecated APIs and features, and other information about JDK 21 and Java SE 21. In some cases, the descriptions provide links to additional detailed information about an issue or a change.

6. www.oracle.com › news › announcementOracle Releases Java 21 and Extends Support Roadmap

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   Sep 19, 2023 · Java 21 (Oracle JDK 21) delivers thousands of performance, stability, and security improvements, including platform enhancements that will help developers increase productivity and drive innovation and growth across their organizations.

7. javaalmanac.io › jdk › 21Java 21 - javaalmanac.io

   javaalmanac.io › jdk › 21

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   Instantly compile and run Java 21 snippets without a local Java installation. Information about Java 21 including documentation links, new APIs, added features and download options.

8. People also ask

   What's new in Java 21?

   • Oracle released Java 21 on September 19, 2023. It’s the latest Java LTS release after Java 17. This article will discuss the new features and enhancements added to Java 21. 2. List of JEPs Let’s talk about the notable enhancements introduced to the language in Java 21 through various Java Enhancement Proposals (JEP). 2.1. Record Patterns ( JEP 440)

   New Features in Java 21 | Baeldung

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   What's new in Java SE 21 & JDK 21?

   • Another source of information about important enhancements and new features in Java SE 21 and JDK 21 is the Java SE 21 ( JSR 396) Platform Specification, which documents changes to the specification made between Java SE 20 and Java SE 21. This document includes the identification of removed APIs and features not described here.

   JDK 21 Release Notes, Important Changes, and Information - Oracle

   www.oracle.com/java/technologies/javase/21-relnote-issues.html

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   What are JDK 21 & Java SE 21 notes?

   • These notes describe important changes, enhancements, removed APIs and features, deprecated APIs and features, and other information about JDK 21 and Java SE 21. In some cases, the descriptions provide links to additional detailed information about an issue or a change.

   JDK 21 Release Notes, Important Changes, and Information - Oracle

   www.oracle.com/java/technologies/javase/21-relnote-issues.html

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   What is Java 21 (Oracle JDK 21)?

   • Java 21 (Oracle JDK 21) delivers thousands of performance, stability, and security improvements, including platform enhancements that will help developers increase productivity and drive innovation and growth across their organizations.

   Oracle Releases Java 21 and Extends Support Roadmap

   www.oracle.com/news/announcement/ocw-oracle-releases-java-21-2023-09-19/

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   What updates are delivered in Java 21?

   • Significant updates delivered in Java 21 are: JEP 444: Virtual Threads: Significantly streamlines the process of writing, maintaining, and observing high-throughput, concurrent applications by introducing lightweight virtual threads to the Java Platform.

   Oracle Releases Java 21 and Extends Support Roadmap

   www.oracle.com/news/announcement/ocw-oracle-releases-java-21-2023-09-19/

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   What are the Java SE 21 editions?

   • The Java SE 21 Editions contain all corrections and clarifications made since the Java SE 20 Editions, as well as additions for new features. You should be aware of the content in the Java SE 21 ( JSR 396) specification as well as the items described in this page.

   JDK 21 Release Notes, Important Changes, and Information - Oracle

   www.oracle.com/java/technologies/javase/21-relnote-issues.html

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9. www.infoworld.com › article › 3689880JDK 21: The new features in Java 21 | InfoWorld

   www.infoworld.com › article › 3689880

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   Sep 19, 2023 · Java 21 has arrived in a production release with 15 features including virtual threads, a generational Z garbage collector, and a key encapsulation mechanism API.