# Runner.java ###################################
public class Runner
{
	public void runIt(Runnable runnable)
	{
		runnable.run();
	}
}

# Ruby src #####################################
require 'java'

class Base
  include java.lang.Runnable
end

module Extension

  def run
    return puts "run from module"
  end

end

a = Base.new
b = Base.new

a.extend(Extension)
b.instance_eval("def run; puts 'run from instance_eval'; end;")


puts "Running a:"
a.run
puts "Running b:"
b.run

require 'runner'
runner = Java::Runner.new
puts "Running a through java:"
runner.runIt(a)
puts "Running b through java:"
runner.runIt(b)