Create a new UML Class Diagram and drag classes, interfaces and enumerations from the toolbox, as shown in Figure 1. To include elements in multiple diagrams, drag them from the UML Model Explorer.

(Click to see larger image) These two screenshots show a simple prototype of a conference management system created in one afternoon by a group of Java developers at OT2002. The upper diagram shows a ...

To effectively use Unified Modeling Language when developing Java applications, developers must have a thorough understanding of the UML elements and how these elements map to Java.