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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);
JavaScript is an extremely powerful object-based (or prototype-based) language. It is not a full-blown OOP (Object-Oriented Programming) language, like Java, however it is an objec
• Study and enhance the File System Simulator - See the FS_sim slide deck • New features - blockinfo - a new application that displays the information about the blocks in the file
J2EE prepares use of the JNDI interface to access different resources like JMS, JDBC, EJB etc. The client finds up for these resources through the JNDI look-up. The JNDI look like
The IncludeAction class is useful when you require to integrate Struts into an application that uses Servlets. Use the IncludeAction class to contain another resource in the respon
data structure
I need to Make clone of an Android app Project Description: Make a total duplicate of the App: Camp and RV Campgrounds Plus The only difference will be the name (as it
Synchronous messaging involves a client that waits for the server to respond to a message. So if one end is down the whole communication will fail.
Question Using 3 level of nested for loop, write a program that will produce the output as below.
Is it possible to create any dialog window in Oracle in Java stored procedure?
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