Desk Checking and Peer Review
Desk Checking is the most traditional means for analyzing the problem.
In order to Improve the efficiency of desk checking it is important that the program review the code against design specifications.
It is not easy to find out error on our own code , it is good to review the other programming code. And the same other person can review your code.
Peer review will tends to increase the quality of the software production.
A Panel is set up for review the sample code on a regular basis and provide feedback to the individual programmer.