Dependence (Uses-A) Relationship in Java When we create an object of a class inside a method of another class , this relationship is called dependence relationship in Java, or simply Uses-A relationship. In other words, when a method of a class uses an object of another class, it is called dependency in java.
Read moreWhat is the difference between is a and has a relationship in Java?
An IS-A relationship is inheritance. The classes which inherit are known as sub classes or child classes. On the other hand, HAS-A relationship is composition. 15 Eki 2018
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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