1)got servlet code
from bookstore and copied it to eclipse+myeclipse.original code is like this
import java.io.*;
import java.util.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;.........
after copying two warning is coming one import java.util.*; is never used so i do organise import and code is now converted to
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
2)even after this one more warning is that serilizable class bannerservlet does not declare a stati final serialVersionUID
so problem is i am not getting thses two concepts and what to
thanxs in advance