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Definition of Refactoring

publish date: 2026/06/24 21:27:36.148704 UTC

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What is refactoring?

The process of permanently deleting unused code without any structural improvement

The process of porting a system to run on a completely different hardware platform

The process of adding entirely new features to a system to meet changing customer demands

The process of making improvements to a program to slow down structural degradation through change, without adding new functionality

Correct Answer

The process of making improvements to a program to slow down structural degradation through change, without adding new functionality

Explanation

Refactoring is the process of making improvements to a program to slow down degradation caused by repeated change. It means modifying the program to improve its structure, reduce complexity, or make it easier to understand, without adding new functionality.

Reference

Software Engineering, Ian Sommerville, 10th edition

Quizzes you can take where this question appears

Refactoring - Preventative Maintenance