SMALLTALK-80: the interactive programming environment
SMALLTALK-80: the interactive programming environment
Object-oriented software metrics: a practical guide
Object-oriented software metrics: a practical guide
Object-oriented metrics: measures of complexity
Object-oriented metrics: measures of complexity
A Validation of Object-Oriented Design Metrics as Quality Indicators
IEEE Transactions on Software Engineering
Managerial Use of Metrics for Object-Oriented Software: An Exploratory Analysis
IEEE Transactions on Software Engineering
A Metrics Suite for Object Oriented Design
IEEE Transactions on Software Engineering
Towards Constructing a Class Evolution Model
APSEC '97 Proceedings of the Fourth Asia-Pacific Software Engineering and International Computer Science Conference
A model of large program development
IBM Systems Journal
Evolvable programming based on collaboration-field and role model
Proceedings of the International Workshop on Principles of Software Evolution
Analysis of software evolution processes using statistical distribution Models
Proceedings of the International Workshop on Principles of Software Evolution
Quantitative observations on object evolution
IWPSE '01 Proceedings of the 4th International Workshop on Principles of Software Evolution
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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.