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But it does exist here and we don't want to infringe on it.

I've never done it and have no idea.

Get references to the classes and call their methods to get any data that they allow access to. There might be a use for reflection here.

Is this what you are trying to do:
Create a frame and add some components to the frame.
Send "mouse events" to the components shown in the frame.

To see how to do this, create a simple program...

Describe in some detail what you want the program to do.

Ask google. Your question is much too general.

Try asking some specific questions about what you want to do.

See the Robot class.

Sorry, I have no idea what you mean by "client".

So am I. See the the java.net package.

Networking