Incoporate a map using swing in my java app

Hello,
I want to incoporate a map into my java application (NOT a web application).
I know you can do something using Googlemaps but i want far more functionality as
I am using GPS NMEA data. so for one example:
my system already gets GPS data and parses it into lat/long coords. Using the map then, it should use these
coords and plot a route and also animate the route. at this stage my app only parses the data but because i do not have a map/tutorial i cannot create the route on the map.
so my question is: can someone please direct me to a tutorial that does this or gives an example of using lat/long on maps(google,etc) preferebly in Java. i have already tried googling it but cannot find what i am looking for.
i found a website that actually does what i want: http://www.gonmad.co.uk/nmea.php - try it out with sample GPS NMEA data...
thanks for reading

anyone

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