Explan Use Case diagram and its purpose?

Posted By: Avi

Date: 8 November 2009 05:26:16 AM

Answer:

Use Case diagram is a type of behavioral UML diagram and it is created from a Use-case analysis. Its purpose is to present a graphical overview of the functionality provided by a system in terms of actors, their goals (represented as use cases), and any dependencies between those use cases. The main purpose of a use case diagram is to show what system functions are performed for which actor, means it captures the system functinality as seen by users.
Posted By: eTechPlanet	Date: 8 November 2009 05:26:16 AM
Use Case Diagrams is an overview graphical representation of the functionality in a system. It is used in the analysis phase of a project to specify the system to be developed and The main purpose of a use case diagram is to show what system functions are performed for which actor. Roles of the actors in the system can be depicted.
Posted By: Johndecruse	Date: 10 February 2010 03:45:18 AM

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