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Get integer value

import java.io.FileReader; import javax.xml.xpath.XPath; import javax.xml.xpath.XPathConstants; import javax.xml.xpath.XPathFactory; import org.xml.sax.InputSource; public class GuestListCounter {     public static void main(String[] args) throws Exception {         XPathFactory factory = XPathFactory.newInstance();         XPath xPath = factory.newXPath();         Number shows = (Number) xPath.evaluate("count(/schedule/show)",                 new InputSource(new FileReader("tds.xml")),                 XPathConstants.NUMBER);         System.out.println("Document has " + shows.intValue() + " shows.");     } }