December 2001
Intermediate to advanced
304 pages
7h 36m
English
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9.1. Coupling and Cohesion
Of all of the fancy terms associated with object orientation, two of the simplest are too often forgotten. In fact, any discussion on inheritance, polymorphism, or composition is really talking about coupling and cohesion. Informal definitions for these terms follow:
Coupling: The degree to which classes within our system are dependent on each other.
Cohesion: The measure of how much an entity supports a singular purpose within a system.
Our goal when designing a system should be to reduce coupling and increase cohesion. A system that is loosely coupled implies the number of relationships among all classes in our system has been kept to the minimum. Obviously, classes must have relationships to each other; otherwise, ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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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.