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A methodology that enables a system to be modeled as a set of objects that can be controlled and manipulated in a modular manner

1
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I use a simpler guideline: if you can write unit tests for it, and have no code duplication, it's abstract enough. Plus, you're in a good position for later refactoring. Beyond that, you should keep …
answered Apr 6 '11 by Jeffrey Faust
7
votes
The simple answer is: inheritance has greater coupling than composition. Given two options, of otherwise equivalent qualities, choose the one that is less coupled.
answered Apr 5 '11 by Jeffrey Faust