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XML file: MyXMLFile.xml

<?xml version="1.0"?>
<company>
  <employee>
    <firstname>Tom</firstname>
    <lastname>Cruise</lastname>
  </employee>
  <employee>
    <firstname>Paul</firstname>
    <lastname>Enderson</lastname>
  </employee>
  <employee>
    <firstname>George</firstname>
    <lastname>Bush</lastname>
  </employee>
</company>

import java.io.File;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList; 

public class XMLReader {
   public static void main(String argv[]) {
      try {
        File file = new File("c:\MyXMLFile.xml");
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        DocumentBuilder db = dbf.newDocumentBuilder();
        Document doc = db.parse(file);
        doc.getDocumentElement().normalize();
        System.out.println("Root element " + doc.getDocumentElement().getNodeName());
        NodeList nodeLst = doc.getElementsByTagName("employee");
        System.out.println("Information of all employees");
        for (int s = 0; s < nodeLst.getLength(); s++) {
           Node fstNode = nodeLst.item(s);
          if (fstNode.getNodeType() == Node.ELEMENT_NODE) {
              Element fstElmnt = (Element) fstNode;
              NodeList fstNmElmntLst = fstElmnt.getElementsByTagName("firstname");
              Element fstNmElmnt = (Element) fstNmElmntLst.item(0);
              NodeList fstNm = fstNmElmnt.getChildNodes();
              System.out.println("First Name : " + ((Node) fstNm.item(0)).getNodeValue());
              NodeList lstNmElmntLst = fstElmnt.getElementsByTagName("lastname");
              Element lstNmElmnt = (Element) lstNmElmntLst.item(0);
              NodeList lstNm = lstNmElmnt.getChildNodes();
              System.out.println("Last Name : " + ((Node) lstNm.item(0)).getNodeValue());
           }
        }
     } catch (Exception e) {
        e.printStackTrace();
     }
   }
}