Which method is used to diagnose logic errors in a program?

The method used to diagnose logic errors in a program is systematic testing. This approach involves a structured and methodical process of testing the software, enabling developers to evaluate how different parts of the program interact with one another. Systematic testing often includes various techniques such as unit tests, integration tests, and regression tests, which help in identifying where the logic may not work as intended. By executing specific test cases based on expected outcomes, developers can pinpoint the exact locations or functionalities that are failing due to logic errors.

Manual testing, while useful for exploring user experience or finding certain types of bugs, does not have the same structured approach and may miss systematic errors. Automated scanning is primarily focused on finding syntax errors, vulnerabilities, or performance issues rather than logic-related problems. End-user feedback, although valuable for usability insights and identifying issues that may arise during real-world application, relies on users’ perspectives and can be less efficient in diagnosing underlying logic issues that developers need to fix prior to release. Thus, systematic testing is the most effective method for uncovering and addressing logic errors in a program.