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import org.apache.xerces.parsers.DOMParser;
 
public class DOMWriter {
 
  public static void main( String[] args) { 
    try {
      DOMParser parser = new DOMParser();
 
      //parser.parse( "test.xml"); 
 
     // Document document = parser.getDocument();
     // processElement( document.getDocumentElement());
 
    } catch (Exception e) {
      e.printStacktrace();
    } /*catch (IOException e) {
      e.printStacktrace();
    }*/
  }
 
  private static void processElement( Element element) {
    NodeSet nodes = element.getChildNodes();
 
    System.out.println( "<"+element.getNodeName()+">");
 
    for ( int i = 0; i < nodes.getLength(); i++) {
      Node node = nodes.item( i);
 
      if ( node.getNodeType() == Node.ELEMENT_NODE) {
        processElement( (Element)node);
      } else {
        System.out.println( node.getNodeValue());
      }
    }
 
    System.out.println( "</"+element.getNodeName()+">");
  }
}

Main.java:3: error: class DOMWriter is public, should be declared in a file named DOMWriter.java
public class DOMWriter {
       ^
Main.java:1: error: package org.apache.xerces.parsers does not exist
import org.apache.xerces.parsers.DOMParser;
                                ^
Main.java:21: error: cannot find symbol
  private static void processElement( Element element) {
                                      ^
  symbol:   class Element
  location: class DOMWriter
Main.java:7: error: cannot find symbol
      DOMParser parser = new DOMParser();
      ^
  symbol:   class DOMParser
  location: class DOMWriter
Main.java:7: error: cannot find symbol
      DOMParser parser = new DOMParser();
                             ^
  symbol:   class DOMParser
  location: class DOMWriter
Main.java:15: error: cannot find symbol
      e.printStacktrace();
       ^
  symbol:   method printStacktrace()
  location: variable e of type Exception
Main.java:22: error: cannot find symbol
    NodeSet nodes = element.getChildNodes();
    ^
  symbol:   class NodeSet
  location: class DOMWriter
Main.java:27: error: cannot find symbol
      Node node = nodes.item( i);
      ^
  symbol:   class Node
  location: class DOMWriter
Main.java:29: error: cannot find symbol
      if ( node.getNodeType() == Node.ELEMENT_NODE) {
                                 ^
  symbol:   variable Node
  location: class DOMWriter
Main.java:30: error: cannot find symbol
        processElement( (Element)node);
                         ^
  symbol:   class Element
  location: class DOMWriter
10 errors

Standard output is empty