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OCA Java SE 8 Programmer I Study Guide (Exam 1Z0-808), 3rd Edition by Robert Liguori, Edward Finegan

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AClass Relationships

 

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.

Understand Class Compositions and Associations

Composition and association are two general descriptions for object ...

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