Predefined Variables

request

The HttpServletRequest (1st arg to doGet)

response

The HttpServletResponse (2nd arg to doGet)

session

The HttpSession associated with the request (unless 

disabled with the session attribute of the page directive)

out

The stream (of type JspWriter) used to send output to the 

client

application

The ServletContext (for sharing data) as obtained via

getServletConfig().getContext().

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JSP Scriptlets

Format

<%

Java Code 

%>

Result

Code is inserted verbatim into servlet s _jspService

Example

<% 

String queryData = request.getQueryString();

out.println("Attached GET data: " + queryData); 

%>

<% response.setContentType("text/plain"); %>

XML compatible syntax

Java Code

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