lerJava.html">ExtensionHandlerJava</A></DL>

<P>
Represents an extension namespace for XPath that handles java classes.
 It is recommended that the class URI be of the form:
 <pre>
   xalan://fully.qualified.class.name
 </pre>
 However, we do not enforce this.  If the class name contains a
 a /, we only use the part to the right of the rightmost slash.
 In addition, we ignore any "class:" prefix.
 Provides functions to test a function's existence and call a function.
 Also provides functions to test an elem