Java Platform, Standard Edition 19 Reference Implementations

The official Reference Implementation for Java SE 19 (JSR 394) is based solely upon open-source code available from the JDK 19 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 19 Platform Specification and are for reference purposes only. This Reference Implementation has been approved through 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 19+36) under the GNU General Public License version 2

RI Source Code

The source code of the RI binaries is available under the GPLv2 in a single zip file (sha256) 170 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.