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Composition and Aggregation in Java

What is is a relationship in Java Javatpoint?

1 April 2022 Enpatika.com Genel

An object of one class act as a Data member of another class. If a class has a reference of another class (also known as contained object, or entity reference), i.e. known as has-a relationship.

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Is aggregation and composition same?

1 April 2022 Enpatika.com Genel

Aggregation means one object is the owner of another object. Composition means one object is contained in another object .

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Which is better aggregation or composition?

1 April 2022 Enpatika.com Genel

The composition is stronger than Aggregation . In Short, a relationship between two objects is referred to as an association, and an association is known as composition when one object owns another while an association is known as aggregation when one object uses another object.16 Eyl 2021

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Which is better aggregation or composition?

1 April 2022 Enpatika.com Genel

The composition is stronger than Aggregation . In Short, a relationship between two objects is referred to as an association, and an association is known as composition when one object owns another while an association is known as aggregation when one object uses another object.16 Eyl 2021

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Is composition similar to aggregation relationship?

1 April 2022 Enpatika.com Genel

Aggregation and Composition are subsets of association meaning they are specific cases of association . In both aggregation and composition object of one class “owns” object of another class. But there is a subtle difference: Aggregation implies a relationship where the child can exist independently of the parent.

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Is composition similar to aggregation relationship?

1 April 2022 Enpatika.com Genel

Aggregation and Composition are subsets of association meaning they are specific cases of association . In both aggregation and composition object of one class “owns” object of another class. But there is a subtle difference: Aggregation implies a relationship where the child can exist independently of the parent.

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Why do we use aggregation in Java?

1 April 2022 Enpatika.com Genel

Aggregation helps in reusing the code . Object B can have utility methods and which can be utilized by multiple objects. Whichever class has object B then it can utilize its methods.

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