different types of people : inheritance « Class « Ruby

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Ruby » Class » inheritance 
different types of people

class Person
  def initialize(name)
    @name = name
  end

  def name
    return @name
  end
end

class Doctor < Person
  def name
    "Dr. " super
  end
end

 
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6. If the class Name were in a different file, you would just require that file first
7. Add new constructor
8. Module and class hierarchy
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