The Unified Modeling Language combinesgraphical and textual notations to describe systems. ... Use Case Diagrams Use Case Diagrams show interactions between so-called actors andthe system. Actors can ...

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.

Use case diagrams are used to show use cases (functions). Figure 13 shows use case diagrams, in which three use cases are initiated by actors and the other one is an internal use case. Activity ...