| Summary: | 碩士 === 國立交通大學 === 資訊工程研究所 === 81 === Object-Oriented programming (approach) has been recognized
prevalently and increasingly for its advantages of producing
more reusable programs and reducing developing time. Complexity
was commonly used as an attribute for assessing the resources
spent and for predicting reliability and maintainability of a
program. We have developed a set of complexity metrics, based
on information flow, for object-oriented programs. This thesis
presents an experimental study designed to validate the
metrics. The experiment was conducted to calculate the
complexity and development cost of methods, classes, class
hierarchies, and programs in C++ language. The results show
that the complexity of a program entity that is measured by the
proposed metrics is correlated with and sensitive to the
efforts, number of errors, and number of changes of the entity
during programming development. The complexity measurement of
class hierarchy and system seems better to be done by summing
from the complexity of their component methods or classes.
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