https://github.com/jruby/jruby/jruby-core: JRuby is the effort to recreate the Ruby (https://www.ruby-lang.org) interpreter in Java. (JRuby)
  • headius
  • enebo
  • wmeissner
  • BanzaiMan
  • mkristian 
package org.jruby.ext.etc;

import java.io.IOException;

import org.jruby.Ruby;
import org.jruby.runtime.load.Library;

public class EtcLibrary implements Library {
    public void load(Ruby runtime, boolean wrap) throws IOException {
        RubyEtc.createEtcModule(runtime);
    }
}