NDLI: An Empirical Study of Java System Evolution at the Method Level

Content Provider	IEEE Xplore Digital Library
Author	Nasseri, E. Counsell, S.
Copyright Year	2009
Abstract	Exploring the evolution of systems can provide valuable insights into the traits of developers and inform our understanding of system dynamics. While we usually expect an object-oriented system to grow (in classes) as it ages, what are not so obvious are patterns in the evolution of specific class features. In this paper, we explore empirical traits of four Java open-source systems using data extracted by two tools and informed by a previous study of inheritance depth evolution. We analyse evolution at a lower level of granularity given by the ‘methods’ of a class on an incremental (change per version) basis rather than absolute class size per version. Evolution at a finer-grain can identify trends not possible on a class-wide basis; the approach thus represents a ‘white-box’ view of the investigation of evolutionary forces. Our analysis also allowed direct comparison with a set of low-level refactorings extracted by an automated tool in a previous study. Scrutiny of trends in methods was further motivated by the fact that the vast majority of refactorings apply not at the class level but at the method level.
Starting Page	199
Ending Page	206
File Size	359485
Page Count	8
File Format	PDF
ISBN	9780769539034
DOI	10.1109/SERA.2009.12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-02
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Java Open source software Data mining Software engineering Conference management Software development management Engineering management Application software Management information systems Mathematics OSS Empirical Evolution Method
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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