This is a repackaged version of the Java compiler (javac) from OpenJDK 8, derived from OpenJDK 8.91.
It is repackaged to allow usage without conflicting with system installed libraries, and designed primarily as an alternative compiler to use with the Janino common compiler API.
See also https://github.com/praxis-live/compiler-janino-commons
The license and copyright are those coming from the original sources.
(c) 2013 Oracle and/or its affiliates - GPL2+CPE.