Java HTML / XML How to - Get root element from XML document

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Question

We would like to know how to get root element from XML document.

Answer

   // ww w .  j  a  va2 s . co m
import java.io.StringReader;

import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xml.sax.InputSource;

public class Main {
  public static String getXMLData() {
    return "<a><person  number='' dept=''><name>myName</name></person></a>";
  }

  public static void main(String[] argv) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    Document document = factory.newDocumentBuilder().parse(
        new InputSource(new StringReader(getXMLData())));

    Element e = document.getDocumentElement();
    System.out.println(e);
  }

}

The code above generates the following result.

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