Slide 8
Slide 8 text
CLASS INSTANCE VARIABLES EXAMPLE
class Polygon
@sides = 8
def self.sides
@sides
end
def sides
@sides
end
end
puts Polygon.sides # => 8
puts Polygon.new.sides # => nil
class Triangle < Polygon
@sides = 3
end
puts Triangle.sides # => 3
puts Polygon.sides # => 8