CSC/ECE 517 Summer 2008/wiki3 3 cd: Difference between revisions
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= Low coupling. = | = Low coupling. = | ||
Coupling in Software Design can be either High or Low. What this means is that object and classes in your code can exist indepently of other objects or classes. For example a system that has high coupling might experience the following issues: | |||
* Change in one module forces a ripple of changes in other modules. | |||
* Modules are difficult to understand in isolation. | |||
* Modules are difficult to reuse or test because dependent modules must be included. | |||
= The Observer pattern = | = The Observer pattern = | ||
Revision as of 01:59, 27 July 2008
Low coupling.
Coupling in Software Design can be either High or Low. What this means is that object and classes in your code can exist indepently of other objects or classes. For example a system that has high coupling might experience the following issues:
- Change in one module forces a ripple of changes in other modules.
- Modules are difficult to understand in isolation.
- Modules are difficult to reuse or test because dependent modules must be included.
The Observer pattern
as an example in Lecture 23. But we've really only scratched the surface on what there is to know about achieving low coupling.
Browse the Web and the ACM DL for other information, both
theoretical
practical
and produce a guide to what there is to know about low coupling. Be sure to
highlights
those aspects that would be appropriate for inclusion in CSC/ECE 517.