The Pros of Having a Factory Class

If you're doing just a ton of if else's or switch statement, this might in your newing up objects based off these if else's then there's probably a good place to have a factory. You can insert and this is probably what your interview question was just a second ago. Yeah, yeah, I was going I was thinking along the lines of if you needed to instantiate multiple different types, but they might all have be based off of a common base class,. Then that's when you would want to use the factory. That way you have only the one place where those concrete types are being newed up.