10+ Use Case Diagram Grab. Payment can be through paypal or credit card. Suppose you need to make a software in which when the user confirms order and confirmation need the confirmation depends upon the product selection, calculation of price with tax and payment.
Use case diagrams show the expected behavior of the system. 0 ratings0% found this document useful (0 votes). Use case diagrams are usually referred to as behavior diagrams used to describe a set of actions ( use cases ) that some system or systems ( subject ) should or can perform in collaboration with one or more external users of the system ( actors ).
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10+ Use Case Diagram Grab. Use case diagrams are usually referred to as behavior diagrams used to describe a set of actions ( use cases ) that some system or systems ( subject ) should or can perform in collaboration with one or more external users of the system ( actors ). • built in early stages of development • purpose. • specify the context of a system • capture the requirements of a system • validate a systems architecture • drive implementation and generate test. Use case diagrams are usually referred to as behavior diagrams used to describe a set of actions ( use cases ) that some system or systems ( subject ) should or can perform in collaboration with one or more external users of the system ( actors ).