Lunch & Learn - SOLID Principles

Transcript

1. S. O. L. I. D. Principles November 2015 Lunch & Learn
2. WHAT A set of Object-Oriented Design principles identified by Robert C. Martin (Uncle Bob) and grouped together by Michael Feathers.
3. WHY Maintainability Readability Extendability Malleability
4. A class should have one, and only one, reason to change SINGLE RESPONSIBILITY PRINCIPLE SEE https://docs.google.com/open?id=0ByOwmqah_nuGNHEtcU5OekdDMkk
5. You should be able to extend classes behavior, without modifying it. OPEN CLOSED PRINCIPLE SEE http://docs.google.com/a/cleancoder.com/...
6. Derived classes must be substitutable for their base classes. LISKOV SUBSTITUTION PRINCIPLE SEE http://docs.google.com/a/cleancoder.com/...
7. Make fine grained interfaces that are client specific. INTERFACE SEGREGATION PRINCIPLE SEE http://docs.google.com/a/cleancoder.com/...
8. Depend on abstractions, not on concretions. DEPENDENCY INVERSION PRINCIPLE SEE http://docs.google.com/a/cleancoder.com/...
9. THE END!