jdbc warning regarding to ms access

shows warning msg while compiling using ms access : warning: sun.jdbc.odbc.JdbcOdbcDriver is Sun proprietary API and may be removed in future release.

here is my code

import java.sql.*;
class AccessData
{ public static void main(String args[])throws Exception
{ DriverManager.registerDriver(new sun.jdbc.odbc.JdbcOdbcDriver());
Connection con=DriverManager.getConnection("jdbc:odbc:accdsn","","");
try{
Statement stmt=con.createStatement();
ResultSet rs= stmt.executeQuery("select * from tn");
while(rs.next())
{
System.out.println(rs.getInt(1));
System.out.println(rs.getString(2));
System.out.println(rs.getString(3));
System.out.println(rs.getString(4));
}
}
catch(Exception e){}
}
}