import  org.w3c.dom.*;
 import  org.xml.sax.*;

 import  javax.xml.parsers.*;
...

FileInputStream fis =  new  FileInputStream("c:\\test.xml");
Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(fis);

Element rootElement = doc.getDocumentElement();
NodeList usersNodeList = rootElement.getElementsByTagName("user");

 for  ( int  i =  0 ; i < usersNodeList.getLength(); i++) {
  Element userElement = (Element) usersNodeList.item(i);

  Element tag = getFirstElementByTagName(userElement, "user-name");
  System.out.println("UserName: " + getNodeText(tag));
  ...
}

   private  Element getFirstElementByTagName(Element element, String tagName) {
    Element e =  null ;

    NodeList nl = element.getElementsByTagName(tagName);
    e = (Element) nl.item( 0 );

     return  e;
  }

   private  String getNodeText(Node node) {
    NodeList list = node.getChildNodes();
     for  ( int  i =  0 ; i < list.getLength(); i++) {
      Node child = list.item(i);
       if  (child.getNodeType() == Node.CDATA_SECTION_NODE) {
        CDATASection section = (CDATASection) child;
         return  section.getData();
      }  else   if  (child.getNodeType() == Node.TEXT_NODE) {
         return  child.getNodeValue();
      }
    }
     return  "";
  }

<?xml version="1.0" encoding="UTF-8"?>
<users>
  <user>
    <user-name>test</user-name>
    <user-password>test</user-password>
  </user>

  <user>
    <user-name>me</user-name>
    <user-password>me</user-password>
  </user>
</users>