OO revelations

This presentation shows some basic statistics regarding the usage of methods as opposed to objects in an OO language.

Related post can be found on forrst

http://qnoid.com/2011/06/08/Metrics-of-an-object-oriented-world.html

Its associated code can be found on github at

http://github.com/qnoid/oo-revelations

Transcript

1. ALL AUDIENCES THE FOLLOWING PRESENTATION HAS BEEN APPROVED FOR Wednesday, 12 December 12
2. OO Revelations Wednesday, 12 December 12
3. O is for Object there is no O in a function Wednesday, 12 December 12
4. 0 1 2 3 start number of methods number of types how does it look? Wednesday, 12 December 12
5. 0 1 2 3 4 5 number of methods number of types how does it look? Wednesday, 12 December 12
6. 0 1 2 3 4 5 6 7 number of methods number of types how does it look? Wednesday, 12 December 12
7. 0 3 6 9 12 15 18 21 24 27 30 start 1st iteration 2nd iteration 3rd iteration nth iteration how does it look? number of methods number of types Wednesday, 12 December 12
8. 0 1 2 3 4 5 6 66% 80% 83% 83% how does it look? reusability number of types Wednesday, 12 December 12
9. 83% reusability (copy/paste doesn’t count) Wednesday, 12 December 12
10. What’s the rest 17%? (factories, implementation specifics, etc) Wednesday, 12 December 12
11. Codebase 100% Code Wednesday, 12 December 12
12. Golden Ratio 0,833:1 17% 83% Reusable Throwaway Wednesday, 12 December 12
13. short term gains • testability • reusability Wednesday, 12 December 12
14. long term gains • reusability • extensibility • maintenance Wednesday, 12 December 12
15. Single Responsibility Principle single method classes? Wednesday, 12 December 12
16. Extend horizontally aim for the golden ratio Wednesday, 12 December 12