14+ Use Case Tutorialspoint. Use case diagrams model the functionality of a system using actors and use cases. When it comes to analyzing the requirement of a system use case diagrams are second to none.
In visual studio, a use case diagram summarizes who uses your application or system, and what they can do with it. Dynamic behavior means the behavior of the system when it is running/operating. A use case driven approach.
A use case diagram acts as a focus for the description of user requirements.
14+ Use Case Tutorialspoint. These are not only important but necessary requirement for software projects. A use case diagram acts as a focus for the description of user requirements. Use case testing is a functional black box testing technique that helps testers to identify test scenarios that exercise the whole system on each transaction basis from start to finish. Use cases are a set of actions, services, and functions that the system needs to perform.