Visual Modeling with Rational Rose 2002 and UML

Summary

A class embodies a set of responsibilities that define the behavior of the objects in the class. The responsibilities are carried out by the operations defined for the class. The structure of an object is described by the attributes of the class. Each attribute is a data definition held by objects of the class. Objects defined for the class have a value for every attribute of the class. The attributes and operations defined for a class are the ones that have meaning and utility within the application that is being developed.

Messages in interaction diagrams typically are mapped to operations of the receiving class. However, there are some special cases where the message does not become an operation: messages to and from actors representing ...