The document discusses class diagrams and associations between classes. It describes one-to-one, one-to-many, and many-to-many associations. An association class is used to store attributes characterizing associations between classes or to mediate many-to-many relationships. The document provides guidance on developing class diagrams including listing classes and attributes, drawing associations, and determining when to use association classes.

1. Class diagram II Asper School of Business University of Manitoba Systems Analysis & Design Instructor: Bob Travica Updated: October 2009