I am quite new to UML in general and I am a little lost when it comes to knowing how to represent J2EE components and their interactions in UML. For example, I am not sure how to represent a web client as opposed to a Java App/Applet or show the different ways they interact with the web/app server.
Also I am not sure how to show, for example how the web/app client would log on, how low level should I go in terms of visually showing the functionality that needs to take place.
Are there any good resources that anyone knows about that shows how to create UML diagrams specifically created for implementation with J2EE?
Thank you for any help, really appreciated as I am a little lost on this.