The sample classes provided will handle the communication from a client application to UPS XML OnLine Tools.  The class central to this communication is XmlTransmitter.  This class uses setters and getters to take and return a java.lang.StringBuffer containing an XML Document.  The javadoc for this and other helpful classes can be found here.

This example source is not supported by UPS.  The source code found within is simply an example of how it might be done.