Override the method from String Class


class String
  def scramble
    (split //).sort_by { rand }.join
  end
end


class UnpredictableString < String
  def scramble
    (split //).sort_by { rand }.join
  end

  def inspect
    scramble.inspect
  end
end

str = UnpredictableString.new("this is a test.")
puts str

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Override the method from String Class : String class Extension « String « Ruby

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