Hello World from http://www.oreillynet.com/ruby/blog/2005/12/hello_world.html

Ruby Complex Hello World.rb

    # Copied/Pasted from http://www.oreillynet.com/ruby/blog/2005/12/hello_world.html
    # The Greeter class
    class Greeter
      def initialize(name)
        @name = name.capitalize
      end

      def salute
        puts "Hello #{@name}!"
      end
    end

    # Create a new object
    g = Greeter.new("world")

    # Output "Hello World!"
    g.salute