The Universe of Discourse : Subtypes and polymorphism

Sun, 02 Mar 2008 Subtypes and polymorphism [ Note: You are cautioned that this article is in the oops section of my blog, and so you should understand it as a description of a mistake that I have made. ] For more than a year now my day job has involved work on a large project written entirely in Java. I warned my employers that I didn't have any professional experience in Java, but they hired me a