Rule Definition
The number of methods and complexity of methods is an indicator of how much time and effort is required to develop and maintain the object.
For maintainability reasons, High Weighted Methods per Class should not be too high.
Remediation
Reduce the number - by splitting the Class in two or moving method to a component Class - or the Cyclomatic Complexity of the method of the non compliant Class.
Reference
A Metrics Suite for Object Oriented Design
Chidamber, S.R. and C.F. Kemerer
IEEE Transactions on Software Engineering, 1994
Related Technologies
Technical Criterion
Complexity - Algorithmic and Control Structure Complexity
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