JSP in Java

<%@ page session=”false”> In Advanced Java, particularly in JavaServer Pages (JSP), you can use the session attribute in the page directive to control the automatic creation of a session. If you want to prevent a JSP page from automatically creating a session, you can use the following page directive: jsp <%@ page session=”false” %> This … Read more

A Connection to a database can be established from a jsp page by writing the code to establish a connection using a jsp scriptlets. Further then you can use the resultset object “res” to read data in the following way. In advanced Java web development, connecting to a database from JSP (JavaServer Pages) directly is … Read more

A jsp:useBean action may optionally have a body. If the body is specified, its contents will be automatically invoked when the specified bean is instantiated. Typically, the body will contain scriptlets or jsp:setProperty tags to initialize the newly instantiated bean, although you are not restricted to using those alone. The following example shows the “today” … Read more

No. You are supposed to make use of only a JSPWriter object (given to you in the form of the implicit object out) for replying to clients. A JSPWriter can be viewed as a buffered version of the stream object returned by response.getWriter(), although from an implementational perspective, it is not. In general, it is … Read more

The following code snippet shows how a servlet instantiates a bean and initializes it with FORM data posted by a browser. The bean is then placed into the request, and the call is then forwarded to the JSP page, Bean1.jsp, by means of a request dispatcher for downstream processing. public void doPost (HttpServletRequest request, HttpServletResponse … Read more