public void traverse1(Node node) {

    do {

       System.out.println("Node: name=" + node.getNodeName() +

       ", value=" + node.getNodeValue() + ", type=" +

       node.getNodeType());

       if (node.getFirstChild() != null) {

        System.out.println("Processing children:");

        traverse1(node.getFirstChild());

      }

    }  while ((node = node.getNextSibling()) != null);

  }

public void traverse2(Node node) {

    //Get the children of this Node

      NodeList children = node.getChildNodes();

      //go through all the children of the node

      for (int i=0; i<children.getLength(); i++) {

         //get the next child

         Node child = children.item(i);

         //get the type of the child

         short childType = child.getNodeType();

         if (childType == Node.ELEMENT_NODE) {

        //if the child is an Element then print the start and end

        //tags and recurse the content       

        String nodeName = child.getNodeName();

        System.out.print("<" + nodeName + ">");

        traverse2(child);

        System.out.print("</" + nodeName + ">");

      } else if (childType == Node.TEXT_NODE) {

        //if the child is a Text node just print the text content

        String data = child.getNodeValue();

        System.out.print(data);

    }

    }

  }

public void traverse3(Node node, int indent) {

    for (int i = 0; i < indent; i++) {

      System.out.print("   ");

    }

    int type = node.getNodeType();

    switch (type) {

    case Node.ATTRIBUTE_NODE:

      System.out.println("ATTRIBUTE_NODE");

      break;

    case Node.CDATA_SECTION_NODE:

      System.out.println("CDATA_SECTION_NODE");

      break;

    case Node.COMMENT_NODE:

      System.out.println("COMMENT_NODE");

      break;

    case Node.DOCUMENT_FRAGMENT_NODE:

      System.out.println("DOCUMENT_FRAGMENT_NODE");

      break;

    case Node.DOCUMENT_NODE:

      System.out.println("DOCUMENT_NODE");

      break;

    case Node.DOCUMENT_TYPE_NODE:

      System.out.println("DOCUMENT_TYPE_NODE");

      break;

    case Node.ELEMENT_NODE:

      System.out.println("ELEMENT_NODE");

      NamedNodeMap atts = node.getAttributes();

      for (int i = 0; i < atts.getLength(); i++) {

        Node att = atts.item(i);

        traverse3(att, indent + 1);

      }

      break;

    case Node.ENTITY_NODE:

      System.out.println("ENTITY_NODE");

      break;

    case Node.ENTITY_REFERENCE_NODE:

      System.out.println("ENTITY_REFERENCE_NODE");

      break;

    case Node.NOTATION_NODE:

      System.out.println("NOTATION_NODE");

      break;

    case Node.PROCESSING_INSTRUCTION_NODE:

      System.out.println("PROCESSING_INSTRUCTION_NODE");

      break;

    case Node.TEXT_NODE:

      System.out.println("TEXT");

      break;

    default:

      System.out.println("???");

      break;

    }

    for (Node c = node.getFirstChild(); c != null; c =

    c.getNextSibling()) {

      traverse3(c, indent + 1);

    }

  }