# Pastebin ZJBPXHl0
$ gem install mjruby && mjruby -v
Fetching: mjruby-0.5.2-java.gem (100%)
Building native extensions.  This could take a while...
Successfully installed mjruby-0.5.2-java
1 gem installed
jruby 9.0.4.0 (2.2.2) 2015-11-12 b9fb7aa Java HotSpot(TM) 64-Bit Server VM 25.40-b25 on 1.8.0_40-b25 +jit [darwin-x86_64]