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Software Source Code Readability : A Mapping Study

Background: Building software systems is an iterative and collaborative project, requiring developers not only to write code, but to maintain, expand, fix and enhance code already written. In order to do so, reading code is a central activity, and therefore it is important that code is written in a manner that makes it readable. Objectives: To map the state-of-the-art of software source code readability and find the definitions and methods to measure it, and provide an overview of the kinds of factors considered to impact software source code readability, and to compare this to practitioners' experiences of software source code readability. Methods: A systematic literature review of 76 studies in 72 papers from the last 40 years, explicitly concerning software source code readability, is compared with the results of five interviews with practitioners, of which three are case studies of commits explicitly targeting readability. Results: While individual factors' contribution towards readability is studied with some success, more general modelling studies often suffer from methodological problems, making them difficult to apply in practice or in studies of the correlation between software source code readability and other metrics. Conclusions: Key elements of the state-of-the-art have been implemented in practice, however, readability models are not used by the practitioners in this study. Several factors mentioned by practitioners are not considered by the studies included, and further qualitative study of software development practitioners may be needed.

Identiferoai:union.ndltd.org:UPSALLA1/oai:DiVA.org:bth-20164
Date January 2020
CreatorsBexell, Andreas
PublisherBlekinge Tekniska Högskola, Institutionen för programvaruteknik
Source SetsDiVA Archive at Upsalla University
LanguageEnglish
Detected LanguageEnglish
TypeStudent thesis, info:eu-repo/semantics/bachelorThesis, text
Formatapplication/pdf
Rightsinfo:eu-repo/semantics/openAccess

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