July 2001
Beginner to intermediate
368 pages
6h 52m
English
book
Design Patterns Explained: A New Perspective on Object-Oriented Design
by Alan Shalloway, James R. Trott
Content preview from Design Patterns Explained: A New Perspective on Object-Oriented Design
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Categories of Patterns
There are many patterns to keep track of. To help sort this out, the Gang of Four has grouped patterns into three general categories, as shown in Table 17-1.[1]
[1] Gamma, E., Helm, R., Johnson, R., Vlissides, J., Design Patterns: Elements of Reusable Object-Oriented Software, Reading, Mass.: Addison-Wesley, 1995, p. 10.
| Category | Purpose | Examples in This Book | Use For |
|---|---|---|---|
| Structural | Bring together existing objects | Handling interfaces | |
| Relating implementations to abstractions | ||
| Behavioral | Give a way to manifest flexible (varying) behavior |
| Containing variation |
| Creational | Create or instantiate objects ... |