Question

Efferent Coupling is a measure of ____________________.

Answer 1

Efferent Coupling is a metric in software development. It measures the number of data types a class knows about.

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Answer 2

Efferent coupling is a metric in software development. It measure the number of data types a class knows about.

This include inheritance, interface implementation, parameter type, variable type, thrown and catch exception.When used to measure coupling between packages this measure can be used together with others to calculate 'abstractness', 'stability' and 'distance from the main line'.

Efferent coupling can be reduced by extracting classes from the original class