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  1. Jul 5, 2024 · Java 21 introduced three new interfaces to represent sequenced collections, sequenced sets, and sequenced maps. A sequenced collection is a collection whose elements have a defined encounter order. It has first and last elements, and the elements between them have successors and predecessors.

  2. Sep 19, 2023 · Based on Java 21, the latest version of the Java SE (Standard Edition) platform, JDK 21 ushers in 15 features, including a key encapsulation mechanism API, virtual threads, and previews of string ...

  3. Oct 31, 2023 · 4. Tools Improvements. Java 21 has enhanced its tools such as ‘Runtime.exec’ and ‘ProcessBuilder’ which are used to start new processes like running a new program. Java program that frequently starts new processes using ‘Runtime.exec’ or ‘ProcessBuilder’, this feature helps you track or log these activities.

  4. What’s new in Java 21: A Tour of its Most Exciting Features. 4.6/5. 3406. Jul 20, 2024. 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 ...

  5. Sep 22, 2023 · New language features since Java 8 to 21. Enhancements to the Java language you should know. Pattern Matching for switch supporting type patterns and guarded patterns. JDK 21 (Preview 🔍 in JDK 20 JDK 19 JDK 18 JDK 17) String formatted = switch (o) {.

  6. Sep 21, 2023 · Java 21 is officially here, as of its general availability launch on September 19, 2023. This release represents the 12th feature release of the platform using the now-standard semiannual cadence. (You should expect to see Java 22 in March 2024.) There’s a tremendous wealth of information in the Java 21 release notes, and this article will ...

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  8. Jan 21, 2024 · Java 21, Java Features. Java 21 is finally released on 19-Sep-2023 as the next long-term support (LTS) release of Oracle’s standard Java implementation. In this comprehensive guide, we will delve into the new and preview features that Java has offered in this latest version. Check out this guide for other versions of Java and included features.

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