I suspect the following error in the documentation at http://jena.apache.org/tutorials/rdf_api.html
Just over 1/2 way down the page:
> For example, to retrieve the Adam Smith resource from the model read in from the file in tutorial 5:
> // retrieve the John Smith vcard resource from the model
> Resource vcard = model.getResource(johnSmithURI);
The first line should read "For example, to retrieve the John Smith resource from..."