import java.io.*;
import java.sql.*;
import org.w3c.dom.*;
import javax.xml.parsers.*;
import javax.xml.transform.*;
import javax.xml.transform.dom.*;
import javax.xml.transform.stream.*;

 public class CreatXMLFile{
  public static void main(String[] args) throws Exception{
    DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder documentBuilder =documentBuilderFactory.newDocumentBuilder();
    Document document = documentBuilder.newDocument();
    Element rootElement = document.createElement("APPID");
    document.appendChild(rootElement);
    Class.forName("com.mysql.jdbc.Driver");
           Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/roseindia", "root", "root");
           Statement st=con.createStatement();
           ResultSet rs=st.executeQuery("select * from data where appID=12345");
           String element[]=new String[4];
           String data[]=new String[4];
           int i=0;
           while(rs.next()){
           element[i] = rs.getString("label");
           data[i]= rs.getString("value");
           i++;
           }
           for(int j=0;j<element.length;j++){
           Element em = document.createElement(element[j]);
           em.appendChild(document.createTextNode(data[j]));
           rootElement.appendChild(em);

        }   
        TransformerFactory transformerFactory = TransformerFactory.newInstance();
        Transformer transformer = transformerFactory.newTransformer();
        DOMSource source = new DOMSource(document);
        StreamResult result =  new StreamResult(new File("C:/app.xml"));
        transformer.transform(source, result);
        System.out.println("XML File has been created succesfully");
       }
    }

Before running the above code, replace your key 'Applicant name' with either Applicant_Name or with ApplicantName because xml file does not allow to leave any space in the tag.