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 moreWhat is is a relationship in Java Javatpoint?
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 moreHow do you identify Aggregation and composition in Java?
In Aggregation, objects can remain in the scope of a system without each other. In a composition relationship, objects cannot remain in the scope of a system without each other .
Read moreWhat is the difference between composition and Aggregation give an example?
Aggregation implies a relationship where the child can exist independently of the parent . Example: Class (parent) and Student (child). Delete the Class and the Students still exist. Composition implies a relationship where the child cannot exist independent of the parent.
Read moreWhat is difference between Aggregation and composition?
Composition is a strong Association. Aggregation means one object is the owner of another object. Composition means one object is contained in another object . The direction of a relation is a requirement in both Composition and Aggregation.
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