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In computer programming and software design, code refactoring is the process of restructuring existing source code—changing the factoring—without changing its external behavior. Refactoring is intended to improve the design, structure, and/or implementation of the software (its non-functional attributes), while preserving its functionality.
Refactoring: Improving the Design of Existing Programs. Opdyke, William F., and Ralph E. Johnson. "Creating abstract superclasses by refactoring." Proceedings of the 1993 ACM conference on Computer science. ACM, 1993. [5] Johnson, Ralph E., and William F. Opdyke. "Refactoring and aggregation." Object Technologies for Advanced Software.
It states that two instances of similar code do not require refactoring, but when similar code is used three times, it should be extracted into a new procedure. The rule was popularised by Martin Fowler in Refactoring [1] and attributed to Don Roberts. Duplication is considered a bad practice in programming because it makes the code harder to ...
Martin Fowler (18 December 1963) is a British software developer, [2] author and international public speaker on software development, specialising in object-oriented analysis and design, UML, patterns, and agile software development methodologies, including extreme programming. His 1999 book Refactoring popularised the practice of code ...
In computer programming, a design smell is a structure in a design that indicates a violation of fundamental design principles, and which can negatively impact the project's quality. [1] The origin of the term can be traced to the term "code smell" which was featured in the book Refactoring: Improving the Design of Existing Code by Martin ...
Code is refactored for readability and maintainability. In particular, hard-coded test data should be removed from the production code. Running the test suite after each refactor ensures that no existing functionality is broken. Examples of refactoring: moving code to where it most logically belongs; removing duplicate code; making names self ...
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Refactoring refers to a software maintenance activity where source code is modified to improve readability or improve its structure. Software is often refactored to bring it into conformance with a team's stated coding standards after its initial release. Any change that does not alter the behavior of the software can be considered refactoring.