New Metric: the Distance of Coupling

Encapsulation,
as you know, is one of the
four key principles
in object-oriented programming.
Encapsulation, according to Grady Booch et al.,
is ���the process of hiding all the secrets of an object
that do not contribute to its essential characteristics.���
Practically speaking, it���s about those private
attributes that we use in Java and C++: they are not visible to the users of
our objects, that���s why they can���t be modified or even read.
Booch et al. believe that the purpose of encapsula...