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
Read moreWhy do we use aggregation in Java?
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.
Read moreWhy do we use aggregation in Java?
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.
Read moreWhat is aggregation in OOP with example?
An aggregate object is one which contains other objects . For example, an Airplane class would contain Engine, Wing, Tail, Crew objects. Sometimes the class aggregation corresponds to physical containment in the model (like the airplane).
Read moreWhat is aggregation in Java example?
Aggregation in Java is a relationship between two classes that is best described as a “has-a” and “whole/part” relationship . It is a more specialized version of the association relationship. The aggregate class contains a reference to another class and is said to have ownership of that class.
Read moreWhat is whole part relationship in Java?
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.
Read moreIs a part of relationship in OOP?
In OOP, IS-A relationship is completely inheritance . This means, that the child class is a type of parent class. For example, an apple is a fruit. So you will extend fruit to get apple.
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