Question

What is aggregation in Java?

Answer 1

Question - What is aggregation in Java?

Answer - Aggregation in Java is a relationship between two classes that is best described as a "has-a" and "whole/part" relationship. ... The aggregate class contains a reference to another class and is said to have ownership of that class. Each class referenced is considered to be part-of the aggregate class.

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Answer 2

Answer:

When an object A contains a reference to another object B or we can say Object A has a HAS-A relationship with Object B, then it is termed as Aggregation. Aggregation helps in reusing the code.