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JSP :smiley: (Action :warning: (Definition (Action tags are used to…

- - - - Object: request
        Type: HttpServletRequest
        Usage: String name=request.getParameter("uname");
        Purpose: Get or set request information
      - Object: response
        Type: HttpServletResponse
        Usage: response.sendRedirect("http://www.google.com");
        Purpose: Add or manipulate response such as redirection to another page
      - Object: out
        Type: JSPWriter
        Usage: PrintWriter out=response.getWriter();
        Purpose: Write output to buffer
      - Object: application
        Type: ServletContext
        Usage: String driver=application.getInitParameter("dname");
        Purpose: get initialization parameter from configuaration file (web.xml). It can also be used to get, set or remove attribute from the application scope.
      - Object: config
        Type: ServletConfig
        Usage: String driver=config.getInitParameter("dname");
        Purpose: get initialization parameter for a particular JSP page
      - Object: session
        Type: HttpSession
        Usage: session.setAttribute("user",name);
        String name=(String)session.getAttribute("user");
        Purpose: set,get or remove attribute or to get session information
      - Object: pageContext
        Type: PageContext
        Usage: pageContext.setAttribute("user",name,PageContext.SESSION_SCOPE);
        Purpose:
        
        set,get or remove attribute from one of the following scopes:
        
        page
        
        request
        
        session
        
        application
      - Object: page
        Type: Object
        Usage: <% (HttpServlet)page.log("message"); %>
        Purpose: assigned to the reference of auto generated servlet class
      - Object: exception
        Type: Throwable
        Usage: Sorry following exception occured:<%= exception %>
        Purpose: This object can be used to print the exception. But it can only be used in error pages