JRuby is the effort to recreate the Ruby (http://www.ruby-lang.org) interpreter in Java.
'org.jruby:jruby-core:1.7.17'
<dependency>
<groupId>org.jruby</groupId>
<artifactId>jruby-core</artifactId>
<version>1.7.17</version>
</dependency>
<dependency org="org.jruby" name="jruby-core" rev="1.7.17"/>
"org.jruby", "jruby-core", "1.7.17"