How to automatically collect oriented object metrics: A study based on systematic review

Aim: Getting information to automatically collect object oriented metrics (OO metrics) in order to assist the comprehension and assessment of software products. Method: It was developed a study based on a systematic review and 37 primary studies were selected from 577 papers retrieved in 3 databases. Result: 177 metrics that can be automatically collected were cataloged. Besides, 27 from such total were the most referenced. The cataloged metrics were classified according to the quality characteristics which were related; 18 collection tools have been identified. This way, it was concluded that there is a set of common procedures for collecting OO metrics and the Java and C++ are the languages with the largest number of tools on which is possible to extract metrics.