Using Streaming API for XML (StAX)

Using StAX
Wikipedia StAX

import java.io.ByteArrayInputStream;
import java.io.InputStream;

import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamReader;

public class Main {

  public static void main(String[] args) throws Exception {
    // XML
    StringBuilder sb = new StringBuilder();
    sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>")
          .append("<root date=\"2009-01-08\" >")   
          .append("<!-- <<comment>> -->")             
          .append("<user>")
          .append("<name>Solnone</name>")
          .append("<birthday>1900-01-01</birthday>")
          .append("</user>")  
          .append("<user>")
          .append("<name>John</name>")
          .append("<birthday>1912-02-02</birthday>")
          .append("</user>")        
          .append("</root>");     
    InputStream is = new ByteArrayInputStream(sb.toString().getBytes("UTF-8"));
    
    
    try {
      XMLInputFactory factory = XMLInputFactory.newInstance();      
      XMLStreamReader reader = factory.createXMLStreamReader(is);
      System.out.println("ENCODING: " + reader.getEncoding());
      while (reader.hasNext()) {
        int event = reader.next();
        switch (event) {
        case XMLStreamConstants.START_ELEMENT:
          System.out.println("ELEMENT Name: " + reader.getName());
          for (int i = 0; i < reader.getAttributeCount(); i++) {
            System.out.println("ATTRIBUTE: "
                + reader.getAttributeName(i) + "="
                + reader.getAttributeValue(i));
          }
          break;

        case XMLStreamConstants.END_ELEMENT:
          System.out.println("END ELEMENT: " + reader.getName());
          break;

        case XMLStreamConstants.CHARACTERS:
          System.out.println("TEXT: " + reader.getText());
          break;

        default:
          if (reader.hasName()) {
            System.out.println("OTHER NAME: " + reader.getText());
          }
          if (reader.hasText()) {
            System.out.println("OTHER TEXT: " + reader.getText());
          }
          break;
          
        }
      }
    } finally {
      is.close();
    }
  }
}
/*
ENCODING: UTF-8
ELEMENT Name: root
ATTRIBUTE: date=2009-01-08
OTHER TEXT:  <<comment>> 
ELEMENT Name: user
ELEMENT Name: name
TEXT: Solnone
END ELEMENT: name
ELEMENT Name: birthday
TEXT: 1900-01-01
END ELEMENT: birthday
END ELEMENT: user
ELEMENT Name: user
ELEMENT Name: name
TEXT: John
END ELEMENT: name
ELEMENT Name: birthday
TEXT: 1912-02-02
END ELEMENT: birthday
END ELEMENT: user
END ELEMENT: root
*/