Implicit Objects in JSP
- JSP provide access to some implicit object which represent some commonly used objects for servlets that JSP page developers might need to use.
- For example you can retrieve HTML form parameter data by using request variable, which represent the HttpServletRequest object.
- Following are the JSP implicit object
- request: The HttpServletRequest object associated with the request.
- response: The HttpServletResponse object associated with the response that is sent back to the browser.
- out: The JspWriter object associated with the output stream of the response.
- session: The HttpSession object associated with the session for the given user of request.
- application: The ServletContext object for the web application.
- config: The ServletConfig object associated with the servlet for the current JSP page.
- pageContext: The PageContext object that encapsulates the environment of a single request for this current JSP page
- page: The page variable is equivalent to this variable of Java programming language.
- exception: The exception object represents the Throwable object that was thrown by some other JSP page.
Tags:
Java
