June 2016
Beginner to intermediate
292 pages
6h 8m
English
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The Open/Closed Principle
The second SOLID principle concerns the extensibility of components and is called the Open/Closed Principle. Its focus is on avoiding changes when we need to extend a component's feature. The principle states:
Software entities like classes, modules and functions should be open for extension but closed for modifications.
In the design of the components of our application, we have to take into account these two aspects:
- Open for extension: The components should be adjustable to the changing needs of the application
- Closed for modifications: The required changes should not involve the original component itself
If we apply this principle, we can get more easily adaptable and maintainable applications.
To illustrate how to apply ...
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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.