that field is not set.</p><DD><DL>
<DT><B>Parameters:</B><DD><CODE>hours</CODE> - number of hours<DD><CODE>minutes</CODE> - number of minutes<DD><CODE>seconds</CODE> - number of seconds<DD><CODE>timezone</CODE> - offset in minutes. <A HREF="../../../javax/xml/datatype/DatatypeConstants.html#FIELD_UNDEFINED"><CODE>DatatypeConstants.FIELD_UNDEFINED</CODE></A> indicates optional field is not set.<DT><B>Returns:</B><DD><code>XMLGregorianCalendar</code> created from parameter values.<DT><B>Throws:</B><DD><CODE>j