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 UML  |  Question 15 of 16    Print  
How usecase diagrams are used in software creation & what about their functions?

  
Total Answers and Comments: 2 Last Update: November 13, 2007     Asked by: sudha 
  
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November 02, 2007 12:54:35   #1  
Dusan B        

RE: How usecase diagrams are used in software creation...
Use case diagrams are very useful at the Inception Phase of software development. They are a visual way to represent use cases. These usecases are collected from the stakeholders by technical people (in most instances). This inherently means that users and the people developing the software speak completely different language. As an example, to a teller in a bank, a Transaction means one specific thing, but to a DB Admin or developer it means something completely different. This difference between the two languages creates a gap in understanding. UML Use-Case Diagrams are simple to understand and create, which allows them to breach the gap between the developer's understanding and the stakeholder's understanding of a system. It also helps to identify the actors in each use case, which is also very important.

To summarize, use-case diagrams are used mostly at the beginning of the SDL (software dev. life-cycle) to breach the communication gap between the people giving requirements, and the people realizing them (developers).

 
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November 13, 2007 05:25:45   #2  
ALISHA        

RE: How usecase diagrams are used in software creation...
use case diagrams mainly used to represent the functionality of a system in terms of actors and use cases.
 
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