December 2017
Intermediate to advanced
468 pages
13h 12m
English
book
Architectural Patterns
by Anupama Murali, Pethuru Raj, Harihara Subramanian J, Pethuru Raj Chelliah
Content preview from Architectural Patterns
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Open and close principle – SOLID
The open and close principle of OO programming suggests that the OO software entities such as classes, methods or functions, and modules, should be open for extensions, but closed for any modifications.
Imagine a class that you never need to change, and any new functionality gets added only by adding new methods or subclasses, or by reusing the existing code, and so we can prevent any new defects to the existing code or functionality.
The preceding class diagram shows the application of the open and close principle on the Account class and its subclasses. The account can be any type, savings or current. A ...
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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.