JDK 21 is the latest Long-Term Support (LTS) release of the Java SE Platform. Earlier JDK versions are available below. JDK 24 binaries are free to use in production and free to redistribute, at no cost, under the Oracle No-Fee Terms and Conditions (NFTC).

The JDK is a development environment for building applications using the Java programming language. The JDK includes tools useful for developing and testing programs written in the Java programming language and running on the Java TM platform.

Apr 8, 2025 · Java Development Kit (JDK) is one of the most important tools for developers who use it to build, compile, and run Java applications. It does not matter if you are a beginner or an experienced programmer; installing JDK is the first step towards working with Java development.

Jan 13, 2011 · On running Java -version in cmd, it shows the version as '1.6.xx'. To find the location of this SDK on my machine I tried using echo %JAVA_HOME% but it is only showing 'JAVA_HOME' (as there is no 'JAVA_PATH' var set in my environment variables).

Oct 4, 2023 · 直接去下载地址： https://www.oracle.com/java/technologies/downloads/ （需要翻墙，不想翻墙或者不想注册oracel账号的，直接去我的 阿里云盘）

Releases where the Specification of the Java SE Platform (see below) can be changed: APIs can be added, deprecated or removed. With the release of JDK 10 the release model was updated to be date driven (every six months) vs. content driven. The Major releases were renamed to Feature Releases to reflect that change.

6 days ago · The Java Development Kit (JDK) is the full-featured software development kit for Java developers. It has everything the JRE has, but adds the compiler (javac) and tools (like javadoc and...

Apr 16, 2019 · Go to the Oracle Java Archive page. The JDK is a development environment for building applications using the Java programming language. The JDK includes tools useful for developing and testing programs written in the Java programming language and running on the Java TM platform.

The Java Development Kit (JDK) APIs are specific to the JDK and will not necessarily be available in all implementations of the Java SE Platform. These APIs are in modules whose names start with jdk.

Sep 23, 2020 · Oracle JDK 11 is the first LTS (Long Term Support) Java Development Kit since Oracle changed Java release cadence to every 6 months. According to Oracle, JDK 11 will be supported (commercial support) until September 2026. Head to Java SE Development Kit 11 Downloads page and choose the download file appropriate to your operating system.