There was RoboVM[1], but it looks like it shut down. GCJ [2] was GCC's Java implementation, which was natively compiled, but I think has been removed from GCC.

There was RoboVM[1], but it looks like it shut down. GCJ [2] was GCC's Java implementation, which was natively compiled, but I think has been removed from GCC. I'm sure there are other projects. [1] https://robovm.com/ https://robovm.com/ [2] https://en.wikipedia.org/wiki/GNU_Compiler_for_Java https://en.wikipedia.org/wiki/GNU_Compiler_for_Java