1. Code Review Principles http://www.flickr.com/photos/sebastian_bergmann/3991540987/

2. Important Observation Time Restrictions http://www.flickr.com/photos/mike-bensalem/3023717032/

3. Psychological Barrier - I Hard to concentrate Focusing for more than a few dozens of minutes without any recession is hardly possible http://www.flickr.com/photos/txd/2681183845/

4. Psychological Barrier - II Hard to understand To read and to interpret somebody else’s logic (code) http://www.flickr.com/photos/dhammza/91435718/

5. Effective Code Review How? Descriptive Abstract Focus Top-Down Overview Bottom-Up Review Read & Communicate “Drive” the code “Understand” the code Search for: Code Smells Violations of OOD and OOP Violations of Code Conventions Comprehension

6. Descriptive Abstract http://www.flickr.com/photos/sskennel/2330323726/ Short Explanations Teach and Mentor

7. Focus Focus on Problematic Issues Couldn’t Make It Straight http://www.flickr.com/photos/horiavarlan/4259933101

8. Top Down Overview Get High Level Overview Sketches White Board High Level Class Diagram Read (a few) Unit Tests http://www.nasa.gov/multimedia/imagegallery/image_feature_526.html NASA

9. Bottom Up Review Continue to review the Code Review Unit Tests Review Classes & Methods Think about Missing Unit Tests http://www.nasa.gov/multimedia/imagegallery/image_feature_649.html NASA/CXC/UMass Amherst/Q.D.Wang et al

10. Drive the Code Take Initiative Become a “Driver” Is it easy to Drive? Pair Programming Techniques http://www.flickr.com/photos/pmarkham/3652471231/

11. Understand the Code (Logic) http://www.flickr.com/photos/apperceive/3351889502/ Read, Read, Read Do you understand?

12. Communicate Read the Code Loudly Ask Questions Think Loudly http://www.flickr.com/photos/apperceive/3351889502/

13. Code Smells & OO Violations S.O.L.I.D http://www.flickr.com/photos/katerha/4526272937/ Long Methods Unreadable Hard to maintain http://www.flickr.com/photos/king-edward/2266814656/ Duplicate Code Binding to Implementation Encapsulation Violations

14. Fix It http://www.flickr.com/photos/justinbaeder/183930977/ The “Navigator” takes Comments and makes fixes later Pair Programming Techniques