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 . Object B can have utility methods and which can be utilized by multiple objects.
Read moreHas a relationship in Java with example?
In Java, a Has-A relationship simply means that an instance of one class has a reference to an instance of another class or an other instance of the same class. For example, a car has an engine, a dog has a tail and so on .
Read moreWhat is aggregation and association in Java?
Association refers to “has a” relationship between two classes which use each other. Aggregation refers to “has a”+ relationship between two classes where one contains the collection of other class objects.
Read moreWhat is the aggregation in oops?
Definition of Aggregation in OOPS. Aggregation in OOPS is defined as a relation that exists between two or more two objects which individually have their own individual life cycle along with the ownership .
Read moreWhat is called 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.
Read moreWhat is aggregation example?
An example of an aggregation is the group of people involved in a class action lawsuit . Aggregation is defined as the act of accumulating things or individuals. An example of aggregation is finding and organizing a group of people injured by harmful effects of a medicine.
Read moreWhat is composition and aggregation in Java with example?
Difference between association, aggregation, composition in Java AggregationCompositionClasses in relation can exist independentlyOne class is dependent on Another Independent class. The Dependent class cannot exist independently in the event of the non-existence of an independent class.Association, Composition and Aggregation in Java – Scaler Topics www.scaler.com › topics › association-composition-and-aggregation-in-java
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