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The "http protocol" is a stateless response or request based protocol.
You may contain the state information between different page requests as given below:
HTTP Sessions are the recommended useful approach. A session finds the requests that originate from the same browser in the mean while the period of conversation. All the servlets may share the similar session. The JSESSIONID is started by the server and may be passed to client through URL re-writing (if cookies are turned off), cookies or built-in SSL process. Care could be given to minimize size of objects stored in session and objects stored in session could be serializable. In a Java servlet the session may be retrieve as given:
HttpSession session = request.getSession(true); //gives a current session or a new session
//To get/put a value in/from the session
Name name = new Name("Parker");
session.setAttribute("lastname", name); //session.putValue(...) is deprecated as of 2.2
session.getAttribute("lastname");//get a value. session.getValue(...) is deprecated
//If a session is no longer needed e.g. user has logged out, etc then it may be invalidated. session.invalidate();
//you may also set the session inactivity lease period on every session basis session.setMaxInactiveInterval(300);
Struts is depend on model 2 MVC (Model-View-Controller) architecture. Struts controller uses the command design pattern and the action classes use the adapter design pattern. The p
The JMS provider handles security of the messages, data conversion and the client triggering. The JMS provider verifies the level of encryption and the security level of the messag
Computer application and program. Project Description: I require a project done. It is a computer desktop application program. It is not very hard. Skills required: Any
Need a new E- payment gateway Project Description: I need a new payment gateway of my own. Anyone who has previous experience in preparing a new payment gateway. I mean new p
Logical Operators Operator Functionality E x ample/ Explanation && Looks at 2 expressions & returns a
I need help writing this code either in java or in python. basically the steps are described here in this youtube video or">https://www.youtube.com/watch?v=LaWp_Kq0cKs or this is
What is asynchronous messaging? Queue Ans) Asynchronous messaging includes a client that does not wait for a message from the server. An event is used to trigger a message from
A mechanism for converting among string-based markup generated by JavaServer Faces UI components and server-side Java objects.
I want android expert Project Description: I have too many android project pending anyone who will start work right away, with me will bid here , only bid if you can work rig
Write a code in a c++/java for the automaton distributed in the class that accepts keywords(cat,bat,cab). Create an input file along with these words may be two or three copies of
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