In this article, we discussed Association in Java. If we want to establish connections between two classes then we can use any type of association according to the need. If the objects are independent of each other, we use Aggregation and if they are dependent then we use Composition .
Read moreWhere is Aggregation used?
Aggregation should be used only in cases where there is a compositional relationship between classes , where one class is composed of other classes, where the “parts” are incomplete outside the context of the whole.
Read moreHow do you use aggregate in Java?
If a class have an entity reference, it is known as Aggregation. Aggregation represents HAS-A relationship.
Read moreWhy do we use Aggregation in OOP?
Aggregation acknowledges that the two classes have their own life cycle (i.e. can exist without each other). Each object is instantiated separately. In the example of a hand of cards, the cards will already exist before they are added to a Hand class.
Read moreWhat data aggregation means?
Data aggregation is a type of data and information mining process where data is searched, gathered and presented in a report-based, summarized format to achieve specific business objectives or processes and/or conduct human analysis. Data aggregation may be performed manually or through specialized software.
Read moreWhat data aggregation means?
Data aggregation is a type of data and information mining process where data is searched, gathered and presented in a report-based, summarized format to achieve specific business objectives or processes and/or conduct human analysis. Data aggregation may be performed manually or through specialized software.
Read moreWhat means aggregation?
1 : a group, body, or mass composed of many distinct parts or individuals A galaxy is an aggregation of stars and gas. 2a : the collecting of units or parts into a mass or whole.
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