You can set the value in the hidden form fields using javascript and access the form fields in JSP
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JSP actions are XML tags that direct the server to use existing components or control the behavior of the JSP engine. JSP Actions consist of a typical (XML-based) prefix of "jsp" followed by a colon, followed by the action name followed by one or more attribute parameters. There are six JSP Actions: < jsp : include / > < jsp : forward / > < jsp : plugin / > < jsp : usebean / > < jsp : setProperty / > < jsp : getProperty / >
jsp means Java Server Pages.
The implicit objects in a JSP page are:requestresponsepageContextsessionapplicationoutconfigpage
The 3 life cycle methods in a JSP page are:jspInit() - Called when the JSP page is initializedjspService() - Called everytime a request/response is received/submittedjspDestroy() - Called when the JSP is no longer required
The session variables can be accessed in a jsp page from the request object. Note: Accessing session contents in JSP is not a good design practice