Code Duplication in Software Systems: A Survey

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Provided by: RG Journals of Scientific Research
Topic: Software
Format: PDF
Copying a code fragment and reusing the same in several parts of the project is a common phenomenon in software project development. Statistics says about 5% to 17% of the system will contain duplicated code. Major disadvantage with the code duplication with or without minor modifications is debugging. A bug detected in a code fragment will be repeated in all its clones and debugger must investigate all these fragments for the same bug, refactoring of the repeated code is another issue in software maintenance.
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