In UML, we commonly represent the dynamic aspects of class collaborations using a sequence diagram. Let's now explore the elements of a sequence diagram. Behavioral modeling ...

Changes made for architecture in UML 2.0 primarily involve the structural (class) model, while changes for scalability are best seen in the improved sequence diagrams.

For now, I’ll focus on one aspect of UML: the elements of a class diagram. Arguably, class diagrams are the most often used UML diagrams.