What do you mean by aggregation in Java?

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Could you please explain me this?
Feb 17 in Java by Neha
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1 answer to this question.

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Aggregation is a specialized form of Association where all object have their own lifecycle but there is ownership and child object can not belongs to another parent object. Let’s take an example of Department and teacher. A single teacher can not belongs to multiple departments, but if we delete the department teacher object will not destroy. 

answered Feb 17 by Frankie
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