This Unified Modeling Language (UML) tutorial shows how to start with a use case and how to elaborate it into activity, class, sequence, and communication diagrams. This tutorial is a must for beginners who want to understand the relationships between different UML diagrams! It introduces the life cycle and evolution of a granular business case.
The control-flows for five kinds of UML use cases are analyzed: for common use cases, variant use cases, component use cases, specialized use cases and for ordered use cases. The control-flow semantics of use cases – and of the uses-relation, the extends-relation and the precedes relation between use cases – is described in terms of …
In an Unified Modeling Language (UML) use case diagram, an include dependency is a generalization relationship that describes the inclusion of the behavior described by another use case. A UML use case can include more than one use cases and it can be included in multiple use cases.
This short tutorial explain how to draw a UML use case diagram for an ATM system. A use case diagram can portray the different types of users of a system and the various ways that they interact with the system.
This short tutorial shows how to model the elements of a use case diagram: use cases, actors, associations, system.