"API examples"

Hi there, congrats on such a great product. I'm new to rapidminer and looked at the examples that come with the GUI. They are really good. Just wonder if there are API examples. I looked at the API examples on the pdf tutorial and is a bit confusing for me since I am new to java . can someone point me to some API examples?
It would be nice to have the same examples that we have for the gui but for the API.
Thanks
e