data insertion from xml file to database table

import java.io.*;
import java.sql.*;
import org.w3c.dom.*;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.xml.parsers.*;


public class InsertXMLData extends HttpServlet { 
    public void doGet(HttpServletRequest req,HttpServletResponse res) throws ServletException,IOException {
        res.setContentType("text/html");
        PrintWriter out = res.getWriter();
         try {
             Class.forName("com.mysql.jdbc.Driver");
             Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root");
            Statement st=con.createStatement();
            DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
            DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
            Document doc = docBuilder.parse (new File("C:/roseindia.xml"));
            doc.getDocumentElement ().normalize ();
            System.out.println ("Root element of the doc is " + doc.getDocumentElement().getNodeName());


            NodeList listOfPersons = doc.getElementsByTagName("employee");

            for(int s=0; s<listOfPersons.getLength() ; s++){


                Node firstPersonNode = listOfPersons.item(s);
                if(firstPersonNode.getNodeType() == Node.ELEMENT_NODE){


                    Element firstPersonElement = (Element)firstPersonNode;
                    NodeList firstNameList = firstPersonElement.getElementsByTagName("name");
                    Element firstNameElement = (Element)firstNameList.item(0);

                    NodeList textFNList = firstNameElement.getChildNodes();
                    String name= ((Node)textFNList.item(0)).getNodeValue().trim();

                    NodeList lastNameList = firstPersonElement.getElementsByTagName("address");
                    Element lastNameElement = (Element)lastNameList.item(0);

                    NodeList textLNList = lastNameElement.getChildNodes();
                   String address= ((Node)textLNList.item(0)).getNodeValue().trim();


        int i=st.executeUpdate("insert into data(name,address) values('"+name+"','"+address+"')");
        }
           }
           out.println("Data is successfully inserted!");
        }catch (Exception err) {
        System.out.println(" " + err.getMessage ());
        }
    }
}