#from http://pragmaticprogrammer.com/titles/ruby/code/smp387.html
# comments added

  class Test                                                  # executable code
    puts "Class of self = #{self.class}"      # the class object type
    puts "Name of self  = #{self.name}"

    def Test.say_hello                                # a class method (in metaclass)
      puts "Hello from #{name}"
    end

    say_hello                                                # execute class method
  end