JSP Implicit Objects

SP Implicit objects are created by the web container. These implicit objects are Java objects that implement interfaces in the Servlet and JSP API. Scripting elements in a JSP page can make use of these JSP implicit objects. There are nine (9) JSP implicit objects available.

1. request implicit object

   The JSP implicit request object is an instance of a java class that implements the javax.servlet.http.HttpServletRequest interface.

2. response implicit object

   The JSP implicit response object is an instance of a java class that implements the javax.servlet.http.HttpServletResponse interface.

3. out implicit object

   The JSP implicit out object is an instance of the javax.servlet.jsp.JspWriter class.

4. session implicit object

   The JSP implicit session object is an instance of a java class that implements the javax.servlet.http.HttpSession interface.

5. application implicit object

   The JSP implicit application object is an instance of a java class that implements the javax.servlet.ServletContext interface.

6. exception implicit object

   The JSP implicit exception object is an instance of the java.lang.Throwable class. It is available in JSP error pages only.

7. config implicit object

   The JSP implicit config object is an instance of the java class that implements javax.servlet.ServletConfig interface.

8. page implicit object

   The JSP implicit page object is an instance of the java.lang.Object class.

9. pageContext implicit object

   The JSP implicit pageContext object is an instance of the javax.servlet.jsp.PageContext abstract class.