Class Ruby

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  4. A method marked protected can be used only by instances of the class where it was defined, or by derived classes
class Animal
  def initialize(color)
    @color = color
  end
  protected
  def get_color
    return @color
  end
end
class Dog < Animal
  def initialize(color)
    @animal = Animal.new(color)
  end
  def get_info
    return @animal.get_color
  end
end
dog = Dog.new("brown")
puts "The new animal is " + dog.get_info
animal2 = Animal.new("red")
puts "The new animal is " + animal2.get_color