More Questions on Servlet
How will you pass values from HTML to the servlet? Can you use System.exit in your servlet end code? If my browser does not support Cook...
Showing posts with label Servlet. Show all posts
Showing posts with label Servlet. Show all posts
Java Servlets and JSPs
Here I go with the list of questions on Servlets and JSPs .All answers open in a new window, so in order to get back to the list of question...
Session Tracking In Servlets
As HTTP is a stateless protocol, any interaction between client browser and servlet lasts as long as the browser is connected to server and ...
How do you communicate between applet and servlet?
The communication between an Applet and Servlet can occur through 'Http Tunneling' with Object serialization.It is technique through...
How do you make servlet thread-safe?
SingleThreadModel interface once implemented makes a servlet thread safe,though not in complete sense.It ensures that servlet handles only ...
What is the difference in between encodeRedirectURL and encodeURL?
encodeURL is used for all URLs in a servlet's output. It helps session ids to be encoded with the URL. Moreover it rewrites URLs relati...
If my browser does not support Cookie and my server sends a Cookie instance what will happen?
In such scenario, browser will not accept incoming cookie. Whenever the browser sends the new request,it will not send the session id to ser...
Can you use System.exit in your servlet end code?
All the best...just kidding. The answer is big 'No'. At best, you'll get a security exception.At worst, you'll make the se...
How will you pass values from HTML to the servlet?
The values from an HTML page are passed to a servlet either through a GET or POST method. In a servlet, request.getParameter ("strParam...
Why do GenericServlet and HttpServlet class implement Serializable interface?
In order to support HTTP session states, all servlet session data must be serializable. Moreover, s ervlets need to communicate over the ne...
What is the difference between doGet and doPost methods of HttpSe?
A GET or POST request is sent to servlet in order to expedite the request by calling corresponding doGet() and doPost() methods. doGet is ca...
What is the difference between GenericServlet and HTTPServlet?
GenericServlet is an abstract class that defines a generic, protocol-independent servlet.Any protocol dependent servlet has to extend this c...
What is meant by Session tell me something about HttpSession?
A web client makes a request to a web server over HTTP. As long as a client interacts with the server through a browser on his or her machin...
What is a Servlet Context?
A ServletContext interface empowers a servlet to view its environment. A servlet can use this interface to get following informations: - In...
Why there are no constructors in servlets?
A servlet is just like an applet in the respect that it has an init() method that acts as a constrcutor. Since the servlet environment takes...
Can there be more than one instance of a servlet at one time ?
It is important to note that there can be more than one instance of a given Servlet class in the servlet container. For example, this can oc...
What is the difference between CGI and servlets?
In traditional CGI, a new process is started with each client request and this will correspond to initiating a heavy OS level process each t...
What is a servlet? Explain its lifecyle.
The Servlets are server side java programs, which are used to generate dynamic web content for a web clients. They reside inside a servlet c...
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