Association refers to “has a” relationship between two classes which use each other. Aggregation refers to “has a”+ relationship between two classes where one contains the collection of other class objects.
Read moreWhat is the aggregation in oops?
Definition of Aggregation in OOPS. Aggregation in OOPS is defined as a relation that exists between two or more two objects which individually have their own individual life cycle along with the ownership .
Read moreWhat is called aggregation?
1 : a group, body, or mass composed of many distinct parts or individuals A galaxy is an aggregation of stars and gas. 2a : the collecting of units or parts into a mass or whole.
Read moreWhat is aggregation and example?
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 moreHow do you write an employee code in Java?
EmployeeDetails.java
Read moreHow does Hashmap store employee details?
Java program using Hashmap (Employees & Designations)
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.
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