An object in UML maps directly to an object in Java. However, ... Sequence diagrams should be kept as simple as possible, and any message that is insignificant need not be shown.

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.

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 UML diagram, captured using ...