Connect javaDB database to ur Frame

package mydatabase;
import java.sql.*;
/**
 *
 * @author user
 */
public class ClassFun {
    public Connection con=null;
    public Statement smt=null;
    public ResultSet res=null;
    public void Connect()
    {
      try
     {
         Class.forName("org.apache.derby.jdbc.ClientDriver");
       
     }
     catch(java.lang.ClassNotFoundException e)
     {
            System.err.println( e.getMessage());
     }
     try
     {
          con = DriverManager.getConnection("jdbc:derby://localhost:1527/student","username","password");
     }
     catch(SQLException e)
     {
            System.err.println(e.getMessage());
     }
    }   
}