nth</H3>
<PRE>
public <A HREF="../../../javax/xml/datatype/Duration.html">Duration</A> <B>newDurationYearMonth</B>(boolean&nbsp;isPositive,
                                     java.math.BigInteger&nbsp;year,
                                     java.math.BigInteger&nbsp;month)</PRE>
<DL>
<DD><p>Create a <code>Duration</code> of type <code>xdt:yearMonthDuration</code> using the specified
 <code>year</code> and <code>month</code> as defined in
 <a href="http://www.w3.org/TR/xpath-datamodel#dt-yearMonthyDurat