JSP Tutorial

Implicit Objects     So far we know that the developer can create Javabeans and interact with Java objects. There are several objects that are automatically available in JSP called implicit objects.   The implicit objects are   Variable Of type Request Javax.servlet.http.httpservletrequest Response Javax.servlet.http. httpservletresponse Out Javax.servlet.jsp.JspWriter Session Javax.servlet.http.httpsession PageContent Javax.servlet.jsp.pagecontext Application Javax.servlet.http.ServletContext Config Javax.servlet.http.ServletConfig Page Java.lang.Object       Page object   Represents the JSP page and is used to call any methods defined by the servlet class.     Config object   Stores the Servlet configuration data.     Request object   Access to information associated with a request. This object is normally used in looking up parameter values and cookies.   <% String devStr = request.getParameter(“dev”); %> Development language = <%= devStr %>   This code snippet is storing the parameter “dev” in the string devStr. The result is displayed underneath.