<! krg Jan 08 jsp Addition Example - one file only (no .HTML)
<%@ page language="java" %>
<HTML>
<HEAD>
<TITLE>Simple Addition Example .JSP file only</TITLE>
</HEAD>
<BODY>
<P>
</p><form action="addition.jsp" method="get">
<INPUT SIZE="12" NAME="userinput">
<INPUT TYPE="SUBMIT" value="Add" name="NumberToAdd">
</FORM>
<%! // Declaration of class wide instance variables
int NumberEntered; // number submitted from html page
int Total;// running tolal of numbers entered
%>
<%
String input;
input = (request.getParameter("userinput"));
if (input != null)
NumberEntered = Integer.parseInt(input); // try to extract an integer
Total += NumberEntered;
%>
<%= "You just entered the number " + NumberEntered %> <BR>
<%= "The running total is now " + Total %> <BR>
</P>
</BODY>
</HTML>