September 2015
Beginner to intermediate
608 pages
12h 4m
English

Object relationships are often described in terms of composition and association. The SCJA exam (predecessor to the OCA exam) included questions that required that you understand the relationship between objects and distinguish between a composition relationship and an association relationship. The OCA exam does not include specific objectives for this skill set, but it is implied that you understand class compositions and associations. As such, we provide this coverage as a bonus to aid in your exam preparation.
Composition and association are two general descriptions for object ...
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