March 2002
Intermediate to advanced
496 pages
8h 51m
English
Content preview from Design Patterns Java™ Workbook
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Reuse as an Alternative to Extension
When you shop around before you code, you have less code to maintain, you benefit from the wisdom of developers who have gone before you, and you can ensure that your own code dovetails with the class you are extending. Every class that you create will inherit from the Object class, and this is a natural place to start shopping for existing code. Figure 26.1 shows the Object class.
Figure 26.1. The Object class has methods that every OO developer should know how to use.
Earlier examples in this book have reused most of the behavior available in Object, including the clone(), equals(), and getClass() methods. ...
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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.