Java program to write xml using DOM parser

import java.io.*;

import javax.xml.parsers.*;

import javax.xml.transform.*;

import javax.xml.transform.dom.*;

import javax.xml.transform.stream.*;

import org.w3c.dom.*;

public class WriteXMLFile {

      public static void main(String[] args) throws Exception {

            BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));

            System.out.print("Enter number to add elements in your XML file: ");

            String str = bf.readLine();

            int no = Integer.parseInt(str);

            System.out.print("Enter root: ");

            String root = bf.readLine();

            DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory

            .newInstance();

            DocumentBuilder documentBuilder = documentBuilderFactory

            .newDocumentBuilder();

            Document document = documentBuilder.newDocument();

            Element rootElement = document.createElement(root);

            document.appendChild(rootElement);

            for (int i = 1; i <= no; i++) {

                  System.out.print("Enter the element: ");

                  String element = bf.readLine();

                  System.out.print("Enter the data: ");

                  String data = bf.readLine();

                  Element em = document.createElement(element);

                  em.appendChild(document.createTextNode(data));

                  rootElement.appendChild(em);

            }

            TransformerFactory transformerFactory = TransformerFactory

            .newInstance();

            Transformer transformer = transformerFactory.newTransformer();

            DOMSource source = new DOMSource(document);

            StreamResult result = new StreamResult(System.out);

            transformer.transform(source, result);

      }

}