2.
From the Model Editor you can
drag
and drop the following Java or UML
(just
a metamodel element not related to Java) elements:
- Package
- Class
- Interface
- Actor
- UseCase
- System
- Component
- Artifact
- Node
Select one element in your Model Editor and drag it to the Component
Diagram.
Release the mouse button to drop it into your diagram editor
(e.g. Node1)