sumit Sanghai

In a client-server system suppose the client does not connect with an open server scoket connection and it goes waste, what should be the approach?

We know that Hashtable is synchronized. But not all the Hashtable methods are synchronized. Why?

What are the different ways of passing parameters in <jsp:include>?

1) How can we get a current session object in a JSP page other than using the method reequest.getSession?

2) Is config object available implicitly in a JSP page in all the versions of JSP?

What is the difference between HttpServlet and GenericServlet?