August 1999
Intermediate to advanced
224 pages
4h 25m
English
book
UML Distilled: A Brief Guide to the Standard Object Modeling Language, Second Edition
by Martin Fowler, Kendall Scott
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Changes from UML 1.2 (and 1.1) to 1.3 (and 1.4)
Use Cases
The changes to use cases involve new relationships between use cases.
UML 1.1 has two use case relationships: «uses» and «extends», both of which are stereotypes of generalization. UML 1.3 offers three relationships.
The «include» construct is a stereotype of dependency. This indicates that the path of one use case is included in another. Typically, this occurs when a few use cases share common steps. The included use case can factor out the common behavior. An example from an ATM might be that Withdraw Money and Make Transfer both use Validate Customer. This replaces the common use of «uses».
Use case generalization indicates that one use case is a variation on another. Thus, we might ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.