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Which relationship is illustrated by a line that begins with an unfilled diamond?

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Which relationship is illustrated by a line that begins with an unfilled diamond?

(a) Composition

(b) Abstraction

(c) Aggregation

(d) Inheritance

The question was posed to me in class test.

My enquiry is from Object and Design-2 in division Object Tools and Design and Variables in PHP of PHP

1 Answer

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Best answer
Right option is (c) Aggregation

Easy explanation: In the case of aggregation, the contained objects are a core part of the container, but they can also be contained by other objects at the same time.

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