If you want to use the joint compiler from the command-line, you can call the groovyc command as usual, but specify the -j flag which will enable the joint compilation.

In overall shape, the J-20 is most similar to the mid-1990s-vintage Russian MiG 1.44 prototype and Lockheed Martin's Joint Advanced Strike Technology concept from roughly the same period.

J. Maya's mobility was decreasing: she could no longer jump on their bed, and they knew she might be suffering from joint pain and facing diabetes.