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All AdoptOpenJDK binaries and scripts are open source licensed and available for free.

AdoptOpenJDK uses infrastructure, build, and test scripts to produce prebuilt binaries from OpenJDK class libraries and a choice of either the OpenJDK HotSpot or Eclipse OpenJ9 VM.
OPENJDK LTS FOR FREE
Non-LTS releases are supported for 6 months. Prebuilt OpenJDK Binaries for Free Java is the worlds leading programming language and platform. Java 8 is the last release on the old cycle methodology still in active support. Java as developed by the OpenJDK Project, owned and primarily employed by Oracle, has been on a 6-month rapid-release cycle since the release of Java 10, and starting with Java 11, has new LTS releases every six releases, or three years. Java applications are typically compiled to bytecode that can run on any Java virtual machine (JVM) regardless of the underlying computer architecture. Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible. This site uses Just the Docs, a documentation theme for Jekyll.
