March 2002
Intermediate to advanced
496 pages
8h 51m
English
Content preview from Design Patterns Java™ Workbook
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Packages and Abstract Factories
Speaking loosely, a package is usually a “family” of classes, and an abstract factory produces a “family” of objects. In the previous example, you used separate packages to support abstract factories for Canada and the United States, with a third package that provides common interfaces for the objects the factories produce.
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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.
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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.