String mmobile = mobile;
//Prepare Url
URLConnection myURLConnection=null;
URL myURL=null;
BufferedReader reader=null;

String mainUrl="http://localhost:8080/Portal/example.jsp?";
//Prepare parameter string
StringBuilder sbPostData= new StringBuilder(mainUrl);

sbPostData.append("mobile=").append(mmobile);

//final string
 mainUrl = sbPostData.toString();
try
{
//prepare connection
myURL = new URL(mainUrl);
myURLConnection = myURL.openConnection();
myURLConnection.connect();

}
catch (IOException e)

<%@page import="java.sql.*"
    %>
 <%@ page import="myclass.SAMPLE" %>

  <%
  Class.forName("com.mysql.jdbc.Driver").newInstance();
  Connection conn = null;
  String mphone = request.getParameter("mobile");

  int mcompregkeyid=0;
  try {
  conn = DriverManager.getConnection("jdbc:mysql://localhost/myschema","myuser","mypass");
   Statement stmt = conn.createStatement();
 ResultSet rset = stmt.executeQuery("Select max(keyid) from mytable");
 rset.next();
 mcompregkeyid=rset.getInt(1);

 } finally {
if (conn != null) try { conn.close(); } catch (SQLException e) {
    out.println("("Could not connect to local server.nPlease try after some time.!!!")");
}
 }
SAMPLE.getValue(String.valueOf(mcompregkeyid));

%>