Online Shopping use cases example:
Web Customer actor uses some web site to make purchases online. Top level use cases are View Items, Make Purchase and Client Register. View Items use case could be used by customer as top level use case if customer only wants to find and see some products. This use case could also be used as a part of Make Purchase use case.
See the use case diagram in the provided link.
i want use case diagram for online banking system
sample human resource managment use case diagram
i want use case diagram for online voting system
sample of use case diagram represent the business process of GeneralMotors
E-R diagram for Airline management system is in the related links.
It is a hybrid between Use Case and Sequence Diagram
use case dig for store mgt
can u prepare the use case diagram for simple payroll system?
SoftwareHardware
Use case diagrams are used foe better understanding of software. They have actors , use cases and relation between them.
yes
the include relationship implies that the included use case must be enacted, whereas the extend relationship implies that the extending use case may be enacted.