Java Platform, Standard Edition 23 Reference Implementations
The official Reference Implementation for Java SE 23 (JSR 398) is based solely upon open-source code available from the JDK 23 Project in the OpenJDK Community.
The binaries are available under the GNU General Public License version 2, with the Classpath Exception.
These binaries are for reference use only!
These binaries are provided for use by implementers of the Java SE 23 Platform Specification and are for reference purposes only. This draft Reference Implementation is under review prior to being submitted for Final Release in the Java Community Process. Production-ready binaries under the GPL are available from Oracle; and will be in most popular Linux distributions.
RI Binary (build 23+37) under the GNU General Public License version 2
- Oracle Linux 8.7 x64 Java Development Kit (sha256) 201 MB
- Windows 11 x64 Java Development Kit (sha256) 200 MB
RI Source Code
The source code of the RI binaries is available under the GPLv2 in a single zip file (sha256) 181 MB.
International use restrictions
Due to limited intellectual property protection and enforcement in certain countries, the JDK source code may only be distributed to an authorized list of countries. You will not be able to access the source code if you are downloading from a country that is not on this list. We are continuously reviewing this list for addition of other countries.