Subtyping, Subclassing, and Trouble with OOPSubtyping, Subclassing, and Trouble with OOP An extensive discussion of subtyping, insidious problems with subclassing, and practical rules to avoid them. Does OOP really separate interface from implementation? The manifestation of a problem: an example of how an implementation inheritance prevents separation of interface and implementation Subtyping vs. Subclassing Explanation why the problem abo
