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

   www.baeldung.com › java-lts-21-new-features

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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.

2. 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.

3. www.geeksforgeeks.org › java-jdk-21-new-featuresJava JDK 21: New Features of Java 21 - GeeksforGeeks

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   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.

4. www.javaguides.net › 2024 › 08Java 21 Features - Java Guides

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   Java 21, released in September 2023, introduces several significant new features, including virtual threads, sequenced collections, and record patterns. It also includes new methods in core classes, such as String, StringBuilder, StringBuffer, Character, and Math.

5. advancedweb.hu › a-categorized-list-of-all-javaA categorized list of all Java and JVM features since JDK 8 to 21

   advancedweb.hu › a-categorized-list-of-all-java

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   Sep 22, 2023 · 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.

6. symflower.com › blog › 2023JDK 21: What is new in Java 21? - Symflower

   symflower.com › blog › 2023

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   Sep 13, 2023 · 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.

7. People also ask

   What are the new developer features in Java 21?

   • This article discusses the new developer features in Java 21 including Virtual Threads, Unnamed classes, Sequenced Collections and Record Patterns. Java 21 is finally released on 19-Sep-2023 as the next long-term support (LTS) release of Oracle’s standard Java implementation.

   Java 21 Features (LTS): Practical Examples and Insights - HowToDoInJava

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

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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's new in Java 21?

   • Now, with Java 21, they are out of the preview and include some refinements. This JEP extends the existing pattern-matching feature to destructure the record class instances, which enables writing sophisticated data queries. Moreover, this JEP adds support for nested patterns for more composable data queries.

   New Features in Java 21 - Baeldung

   www.baeldung.com/java-lts-21-new-features

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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's new in JDK 21?

   • 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.

   New Features in Java 21 - Baeldung

   www.baeldung.com/java-lts-21-new-features

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   What are record patterns in Java 21?

   • 2.1. Record Patterns (JEP 440) Record patterns were included in Java 19 and Java 20 as preview features. Now, with Java 21, they are out of the preview and include some refinements. This JEP extends the existing pattern-matching feature to destructure the record class instances, which enables writing sophisticated data queries.

   New Features in Java 21 - Baeldung

   www.baeldung.com/java-lts-21-new-features

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

   www.oracle.com › java › technologies

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   Sep 19, 2023 · 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.