Sequence and collaboration diagrams show interactive processes: You not only see objects and classes, but also the messages that pass between them.

In our third installment on UML we'll show you how to use sequence diagrams as a tool in your application development and an understanding of object interaction.

Using UML use case diagram notation, each of the required behaviorsare captured in a use case model. Once diagramed, each use case is thendescribed in an identical fashion to the user stories in the ...

Figure 2 shows aparticular scenario, described using a UML sequence diagram. When anew heart rate is detected from the patient's pick-up, that rate isoutputted to the display; depending on the rate, ...