Mark Lorenz, Hatteras Software Inc., Cary, NC
Jeff Kidd, Raleigh, NC

Published July, 1994 by Prentice Hall PTR (ECS Professional)

Copyright 1994, 146 pp.
Cloth
ISBN 0-13-179292-X

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    Software Testing and Verification-Computer Science

This book provides a number of specific metrics that apply to object-oriented software projects. The metrics are based on measurements and derived advice drawn from a number of actual projects that have successfully used object technology to deliver products.




considers both project completion metrics and design metrics.
includes common, Smalltalk only, and C++ only applications for each category.
lists and discusses for each metric: name; meaning; factors affecting the metric, project results, with examples thresholds; suggested actions.



I. INTRODUCTION.
II. OO SOFTWARE METRICS.
Project Metrics. Average number of support classes per key class.

Average man-days per application class.
Average number of classes per developer.
Number of major iterations.
Number of subsystems.
Number of contracts completed.
Design Metrics.
Average method size.
Average number of methods per class.
Average number of instance variables per class.
Class hierarchy nesting level.
Method complexity.
Number of methods overridden, inherited, and added by a subclass.
Global usage.
Instance variable usage.
Average number of comment lines per class/method.
Number of problem reports per class or contract.
Number of times a class is reused.
Number of classes/methods thrown away.

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