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How do you pass data (including JavaBeans) to a JSP from a servlet?

April 26, 2017Data JavaBeans JSP pass servlet

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How do you pass data (including JavaBeans) to a JSP from a servlet?

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Ans: (1) Request Lifetime: Using this technique to pass beans, a request dispatcher (using either “include” or forward”) can be called. This bean will disappear after processing this request has been completed. Servlet: request.setAttribute(“theBean”, myBean); RequestDispatcher rd = getServletContext().getRequestDispatcher(“thepage.jsp”); rd.forward(request, response); JSP PAGE: (2) Session Lifetime: Using this technique to pass beans that are relevant to a particular session (such as in individual user login) over a number of requests. This bean will disappear when the session is invalidated or it times out, or when you remove it. Servlet: HttpSession session = request.getSession(true); session.putValue(“theBean”, myBean); /* You can do a request dispatcher here, or just let the bean be visible on the next request */ JSP Page: 3) Application Lifetime: Using this techniq