Frequently Asked Questions - Servlets

• How do u deal property files in servlet?

• What methods do u use in Servlet - Applet communication ?

• What are the types of Servlet ?

• Difference between HttpServlet and Generic Servlets ?

• Difference between doGet and doPost ?

• What are the methods in HttpServlet?

• What are the types of SessionTracking?

• What is Cookie ? Why is Cookie used ?

• If my browser does not support Cookie,and my server sends a cookie instance What will happen ?

• Why do u use Session Tracking in HttpServlet ?

• Can u use javaScript in Servlets ?

• What is the capacity the doGet can send to the server ?

• What are the type of protocols used in HttpServlet ?

• What is meant by a servlet ?

• What are the types of servlets ? Explain

• What is the different between a Servlet and a CGI?

• What is the difference between 2 types of Servlets ?

• What is the type of method for sending request from HTTP server ?

• What are the exceptions thrown by Servlets ? Why ?

• What is the life cycle of a servlet ?

• What is meant by cookies ?

• What is HTTP Session ?

• What is the difference between GET and POST methods ?

• How can you run a Servlet Program ?

• How to commuincate between an applet and a servlet ?

• What is a Servlet-to-Servlet communcation ?

• What is Session Tracking ?

• What are the security issues in Servlets ?

• What is HTTP Tunneling?

• How do you load an image in a Servlet ?

• What is Servlet Chaining ?

• What is URL Rewriting ?

• What is context switching ?

• How will you pass values from HTML page to the Servlet ?

• What is Servlet API used for conneting database ?

• In servlets, we are having a web page that is invoking servlets? Username and password ? which is cheks in the database ? Suppose the second page also If we want to verify the same information whethe it will connect to the database or it will be used previous information?

• What are virtual functions ?

• Write down how will you create a binary Tree ?

• What are the traverses in Binary Tree ?

• Write a program for recursive Traverse ?

• What are session variable in Servlets ?

• What is client server computing ?

• What is meant by Servelet? What are the parameters of the Service  Method ?

• What is meant by Session ? Tell me something about HTTPSession Class ?

• How do you invoke a Servelt? What is the difference in between DoPost and doGet methods ?

• What is the difference in between the HTTPServlet and Generic Servlet?

• Expalin their methods ? Tell me their parameter names also Have you used threads in Servelet ?

• How do you load an Image in a Servlet ?

• Explain Servlet Life cycle?

• Why do you go for servlet rather than CGI