Pathologies of Uncohesive Code
Uncohesive code is code that either has too many responsibilities or has poorly defined responsibilities. Typically, it’s code that tries to do too much. Poorly cohesive classes are difficult to understand and maintain. They’re harder to debug and more difficult to extend. The bottom line is the more issues a class has to deal with, …
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Read MoreQuality Code is Cohesive
The first code quality we’ll discuss is my very favorite: cohesion. Cohesive code is highly focused code that’s straightforward and easy to read. I like cohesion because it’s the easiest one for me to spot, but I recognize that that’s not true for everyone. People have told me that cohesion is actually the hardest for …
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Read MoreKeep it CLEAN
I like dirty martinis and R-rated movies but my code is one place I always want to keep CLEAN. CLEAN is an acronym I use to remind myself of the five key code qualities that I’ve found to have the biggest impact for improving the maintainability and extendibility of code. Before I describe exactly what …
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Read MoreQuality in Software
Quality is a word we throw around a lot, but without much consensus on what it really means. And it can mean different things in different contexts. Quality in software is very different—the word has a fundamentally different meaning—from quality in goods or services. This is because software is fundamentally different than goods or services. …
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