Introduction In UML, the dynamic aspects of a system can be modeled using interactions. Interactions contain messages that are exchanged between objects. A message can be an invocation of an operation or a signal. The messages may also include creation and destruction of other objects. We can use interactions to model the flow […]
Use case diagrams are one of the five behavioral diagrams for modeling the dynamic aspects of the system. A use case diagram specifies what the system does (behavior) for the actors. Use case diagram plays a key role in modeling the behavior of a system or subsystem or a class. Each use case diagram […]
Introduction Use case modeling (use case diagrams) describes what a system does or what is the functionality provided by the system to benefit the users. Use case modeling was created by Ivar Jacobson. More than any other diagrams in UML, use case diagrams allow us to quickly gather the requirements of the software […]