gistfile1.txt

class Popup
  def make
    "Making from instance"
  end

  def self.make
    "Making from class"
  end
end

irb(main):016:0* a = Popup.new
=> #<Popup:0xb768c100>
irb(main):017:0> a.class
=> Popup
irb(main):018:0> a.make
=> "Making from instance"


irb(main):012:0> a = Popup
=> Popup
irb(main):013:0> a.class
=> Class
irb(main):014:0> a.make
=> "Making from class"