Vendor: IBM
Exam Code: C2140-834
Exam Name: Object Oriented Analysis and Design – Part 2 (Design)

QUESTION 1
Given the following configuration:
Package A, which contains class aClass is in the presentation layer. Package B, which contains a class bClass and an interface bInterface is in the business layer. Package C, which contains cClass is in the data layer.
Which is a poor practice?

A.    aClass calls a method in bClass.
B.    aClass has an attribute of type cClass.
C.    aClass realizes bInterface.
D.    bClass realizes bInterface.

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