RXTX serial and parallel I/O binary libraries
· RXTX is a native lib providing serial and parallel communication for the Java Development Toolkit (JDK).
This version of RXTXcomm is based on create-lab-commons fork. See http://code.google.com/p/create-lab-commons/source/browse/trunk/java/lib/rxtx/README.txt
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window bidib-rxtx-binaries-2.2.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.