import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class CheckSession extends HttpServlet{
  protected void doGet(HttpServletRequest request, HttpServletResponse response)
                                   throws ServletException, IOException {
    response.setContentType("text/html");
    PrintWriter pw = response.getWriter();
    pw.println("Check the session is new or old<br>");
    HttpSession session = request.getSession();
    if(session.isNew()){
      pw.println("You have created a new session");
    }
    else{
      pw.println("Session already exists");
    }
  }
}