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.
Read moreIs aggregation and composition same?
Aggregation means one object is the owner of another object. Composition means one object is contained in another object .
Read moreWhich is better aggregation or composition?
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 moreWhich is better aggregation or composition?
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 moreIs composition similar to aggregation relationship?
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.
Read moreIs composition similar to aggregation relationship?
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.
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.
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