What are aggregates in C#?

Aggregation is a directional relationship between objects in C#. It is a relationship between objects.

For example, employees and addresses

An employee is associated with a department, and a department can have multiple employees. Let’s see an example of employee and address -

public class Address {
   . . .
}

public class Employee {

   private Address addr;

   public Employee (Address addr) {

      this.addr = addr;

   }

   . . .

}

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