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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Frozen
Frozen is a constraint that the UML defines as applicable to an attribute or an association end, but I find it useful for classes as well.
On an attribute or association end, frozen indicates that the value of that attribute or association end may not change during the lifetime of the source object. The value must be set at object creation and may never change after that. The initial value may be null. Of course, if that's true when the object is constructed, it will be true as long as the object is alive. This implies that there is usually an argument for this value in a constructor and that there is no operation that updates this value.
When applied to a class, frozen indicates that all association ends and attributes associated with ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.