=begin
Adapted from Learning Ruby by Michael Fitzgerald, O'Reilly

lalala
=end

class Hello
  def howdy
    greeting = "Hello, Matz!"
    puts greeting
  end
end

class Goodbye < Hello
  def solong
    farewell = "Goodbye, Matz."
    puts farewell
  end
end

friendly = Goodbye.new
friendly.howdy
friendly.solong