pholymorphism example

pholymorphims.rb

class Rectangle < Shape
  attr_accessor :width, :height

  def initialize(width, height)
    @width = width
    @height = height
  end

  def area
    @width * @height
  end
end

class Circle < Shape
  attr_accessor :radius

  def initialize(radius)
    @radius = radius
  end

  def area
    Math::PI * @radius**2
  end
end

shapes = [Rectangle.new(5, 10), Circle.new(3)]

shapes.each do |shape|
  puts "Area: #{shape.area}"
e