To learn more about the code review method see a wonderful book by Steve McConnell "Code Complete". Code review also fulfills an educational purpose: programmers participating in the review learn new programming methods, patterns and good coding styles. If the code doesn't meet this condition, it should be revised.Ĭode review is usually an effective method, as programmers notice errors in another's code easier than in their own.
The execution algorithm should be clear directly from the program text and comments. It is also accepted that the author of the code shouldn't give any explanations on how a certain part of the program works. Errors or potentially incorrect code fragments are detected during the process of code review. The code review method implies collaborative attentive reading of source code and suggesting recommendations on improving it. When one is working alone, one may even not suspect he/she is making an obvious mistake or realizing something in a non-optimal way.
It is based on the simple idea used in many other areas of human life: if a problem is being discussed and solved by several people, they will be able to work out a better solution and avoid many mistakes.
Code review is one of the oldest and most reliable methods of defect detection.
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