Constants are defined within the scope of the current class and are made available to all child classes, unless they're overridden: : Constants « Language Basics « Ruby

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Ruby » Language Basics » Constants

Constants are defined within the scope of the current class and are made available to all child classes, unless they're overridden:





Pi = 3.141592



class OtherPlanet

  Pi = 4.5



  def OtherPlanet.circumference_of_circle(radius)

    radius * 2 * Pi

  end

end



puts OtherPlanet.circumference_of_circle(10)

puts OtherPlanet::Pi

puts Pi

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