15 Use Case And Activity Diagram Example

15 Use Case And Activity Diagram Example. Activity diagrams allow you to specify how your system will accomplish its goals. Activity diagrams as defined in the unified modeling language1 are derived from various techniques to visually illustrate workflows;

For example, say i have a high level business process which is 'grading student results'. An activity diagram visually presents a series of actions and the flow of control in a system. Therefore, those use cases and print receipt use case has the dependency extends.

Elements of use case diagram:

15 Use Case And Activity Diagram Example. Chapter 4 ©ian sommerville and transitions between activities and states  activity diagrams describe • how activities are coordinated to provide a service • the events. Place order can also be specialized by the use cases phone order or internet. If i map it as an activity diagram, within which i. Many people find this kind of diagram useful.