Aggregation is the process of combining things . That is, putting those things together so that we can refer to them collectively. As an example, think about the phone numbers on your cell phone. You can refer to them individually – your mother’s number, your best friend’s number, etc.
Read moreWhat is the difference between inheritance and aggregation in Java?
With aggregation we create a new class, which is composed of existing classes. With inheritance we create a new class, which is based on existing class, with some modifications . subclasses. In the Java language, classes can be derived( רזגנ (from other classes, thereby inheriting fields and methods from those classes.
Read moreWhat is aggregation in Java?
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.29 Oca 2019
Read moreWhat is an example of aggregation in Java?
Simple Example of Aggregation op=new Operation(); int rsquare=op. square(radius); //code reusability (i.e. delegates the method call).
Read moreWhat is aggregation and composition in Java?
Dependency: 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.14 Mar 2022
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