UML Distilled: A Brief Guide to the Standard Object Modeling Language, Second Edition
by Martin Fowler, Kendall Scott
Chapter 3. Use Cases
Use cases are interesting phenomena. For a long time, in both object-oriented and traditional development, people used typical interactions to help them understand requirements. However, these scenarios were treated very informally—always done but rarely documented. Ivar Jacobson is well known for changing this with his Objectory method and associated book (his first one).
Jacobson raised the visibility of the use case to the extent that it became a primary element in project development and planning. Since his book was published (1992), the object community has adopted use cases to a remarkable degree. My practice has certainly improved since I started using use cases in this manner.
So what is a use case?
I won't answer ...
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