A free library for GPS communication is available.
JGPS also comes bundled with a couple of added features - a GUI-based GPS tool and a console-based version. This makes it incredibly easy and convenient for you to make use of the library in your GPS communication work. Best of all, it is completely open-source giving you the freedom to tinker with it and customize it to meet your specific needs. So, if you're in search of a Java-based GPS library that ticks all the right boxes, JGPS deserves your attention!
Version 1.3: N/A