Cookie

    import java.io.*;  
    import javax.servlet.*;  
    import javax.servlet.http.*;  
      
      
    public class CookDemo1 extends HttpServlet {  
      
      public void doPost(HttpServletRequest request, HttpServletResponse response){  
        try{  
      
        response.setContentType("text/html");  
        PrintWriter out = response.getWriter();  
              
        String n=request.getParameter("userName");  
        out.print("Welcome "+n);  
      
        Cookie ck=new Cookie("uname",n);//creating cookie object  
        response.addCookie(ck);//adding cookie in the response  
      
        //creating submit button  
        out.print("<form action='cook2' name='form1' method='post'>");  
        out.print("<input type='submit' value='go'>");      import java.io.*;  
    import javax.servlet.*;  
    import javax.servlet.http.*;  
      
      
    public class CookDemo1 extends HttpServlet {  
      
      public void doPost(HttpServletRequest request, HttpServletResponse response){  
        try{  
      
        response.setContentType("text/html");  
        PrintWriter out = response.getWriter();  
              
        String n=request.getParameter("userName");  
        out.print("Welcome "+n);  
      
        Cookie ck=new Cookie("uname",n);//creating cookie object  
        response.addCookie(ck);//adding cookie in the response  
      
        //creating submit button  
        out.print("<form action='cook2' name='form1' method='post'>");  
        out.print("<input type='submit' value='go'>");  
        out.print("</form>");  
              
        out.close();  
      
            }catch(Exception e){System.out.println(e);}  
      }  

    }         out.print("</form>");  
              
        out.close();  
      
            }catch(Exception e){System.out.println(e);}  
      }  
    }