square.rb

class Square < Rectangle

  def initialize(side)
    @side = side
  end

  def height
    @side
  end

  def width
    @side
  end

  def area
    @side ** 2
  end

  def to_s
    puts " " + ("_" * (@side * 2))    
    @side.times do
      puts "|" + (" " * @side * 2) + "|"
    end
    puts " " + ("-" * (@side * 2))
  end

end