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2013 20th Asia-Pacific Software Engineering Conference (APSEC) (1999)
Takamatsu, Japan
Dec. 7, 1999 to Dec. 10, 1999
ISSN: 1530-1362
ISBN: 0-7695-0509-0
pp: 2
Takako Nakatani , University of Tokyo
Tetsuo Tamai , University of Tokyo
A Class evolves to address new user requirements and enhance reusability. The evolution processes can be analyzed statistically by tracing quantitative Characteristics of object-oriented software development cases. In our case studies, interesting phenomena have been observed by four layers: a system layer, a class tree layer, a class layer, and a method layer.Quantitative data, the value of mean lines of code per method over classes belonging to the same inheritance tree, can be considered to represent a characteristic of the inheritance tree evolution and affect class evolution as a constraint. Another data, the distribution pattern of size data at the system layer, fit to the negative binomial distribution model and the parameters of the model can be interpreted to disclose some development intentions. This paper reports the results of empirical case studies and discusses evolution patterns and laws of objects.
Takako Nakatani, Tetsuo Tamai, "Empirical Observations on Object Evolution", 2013 20th Asia-Pacific Software Engineering Conference (APSEC), vol. 00, no. , pp. 2, 1999, doi:10.1109/APSEC.1999.809578
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