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 …

Nov 12, 2025 · Downloading and using Java 21 is a straightforward process, whether you choose Oracle JDK or OpenJDK. After installation, you can start developing Java applications and …

JDK 21 has been superseded. Please visit jdk.java.net for the current version. Older releases, which do not include the most up to date security vulnerability fixes and are no longer …

Java development Kit (JDK) is required to create, develop, build and run Java applications. In this post, I’d like to share with you guys how to setup JDK version 21 on Windows operating …

Jul 24, 2025 · Go to the official Oracle Java SE Downloads page or use Adoptium or OpenJDK for an open-source version. Download the JDK 21 version suitable for your system (Windows, …

For current Java releases, please visit Oracle Java SE Downloads. This software is licensed under the Oracle No-Fee Terms and Conditions License.

The documentation for JDK 21 includes developer guides, API documentation, and release notes.

Nov 12, 2025 · This blog will guide you through the process of downloading and setting up Java 21 on a Windows operating system, and also cover its usage, common practices, and best …

Sep 19, 2023 · JDK 21 reached General Availability on 19 September 2023. Production-ready binaries under the GPL are available from Oracle; binaries from other vendors will follow …

This document describes the process to install Oracle JDK 21 on Windows, macOS, and Linux platforms.