Aggregation implies a relationship where the child can exist independently of the parent . For example, Bank and Employee, delete the Bank and the Employee still exist. whereas Composition implies a relationship where the child cannot exist independent of the parent.
Read moreWhy do we need composition in Java?
Benefits of using Composition: Composition allows us to reuse the code . In Java, we can use multiple Inheritance by using the composition concept. The Composition provides better test-ability of a class. Composition allows us to easily replace the composed class implementation with a better and improved version.
Read moreWhat is difference between composition and aggregation 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 difference between composition and aggregation 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 inheritance composition and aggregation?
The main difference between Inheritance and Composition is that inheritance allows using properties and methods of an existing class in the new class while composition is a special type of aggregation that describes the ownership between the associated objects.
Read moreIS-A relationship in oops?
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.
Read moreWhat is aggregation and composition with 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.
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