Splitting Classes 

Use

By splitting classes you can move selected methods, attributes and events of a class to a new class. For more information, see Class Diagram.

Prerequisites

There is an existing association between the original class and the new class.

Procedure

...

       1.      Create a new class as described in Creating Classes.

       2.      In the original class, define an association to the class you have just created.

       3.      Move the class components to the associated class as described in Moving Components to Associated Classes.