31 Days of Refactoring

1. Refactoring Day 1 : Encapsulate Collection
2. Refactoring Day 2 : Move Method
3. Refactoring Day 3 : Pull Up Method
4. Refactoring Day 4 : Push Down Method
5. Refactoring Day 5 : Pull Up Field
6. Refactoring Day 6 : Push Down Field
7. Refactoring Day 7 : Rename (method, class, parameter)
8. Refactoring Day 8 : Replace Inheritance with Delegation
9. Refactoring Day 9 : Extract Interface
10. Refactoring Day 10 : Extract Method
11. Refactoring Day 11 : Switch to Strategy
12. Refactoring Day 12 : Break Dependencies
13. Refactoring Day 13 : Extract Method Object
14. Refactoring Day 14 : Break Responsibilities
15. Refactoring Day 15 : Remove Duplication
16. Refactoring Day 16 : Encapsulate Conditional
17. Refactoring Day 17 : Extract Superclass
18. Refactoring Day 18 : Replace exception with conditional
19. Refactoring Day 19 : Extract Factory Class
20. Refactoring Day 20 : Extract Subclass
21. Refactoring Day 21 : Collapse Hierarchy
22. Refactoring Day 22 : Break Method
23. Refactoring Day 23 : Introduce Parameter Object
24. Refactoring Day 24 : Remove Arrowhead Antipattern
25. Refactoring Day 25 : Introduce Design By Contract Checks
26. Refactoring Day 26 : Remove Double Negative
27. Refactoring Day 27 : Remove God Classes
28. Refactoring Day 28 : Rename boolean methods
29. Refactoring Day 29 : Remove Middle Man
30. Refactoring Day 30 : Return ASAP
31. Refactoring Day 31 : Replace Conditional with Polymorphism

Final post with links to download samples: http://www.lostechies.com/blogs/sean_chambers/archive/2009/08/31/31-days-of-refactoring-series-complete.aspx