![]() ![]() To provide the ability to transform functional requirements into classes and operations in the system.Ī use case represents the functionality provided by the system to the user.To provide a basis for conducting system tests to verify whether the system works appropriately or not.To give a clear and consistent description of what the system should do.To describe the functional requirements of the system, resulting in an agreement between the stakeholders and the software developers who are developing the system.The primary components of a use case model are use cases, actors or roles and the system being modeled also known as the subject. More than any other diagrams in UML, use case diagrams allow us to quickly gather the requirements of the software system. Use case modeling was created by Ivar Jacobson. Use case modeling (use case diagrams) describes what a system does or what is the functionality provided by the system to benefit the users.
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