Do Calculation on Value Saved in PageContext : PageContext « JSP « Java Tutorial

1. Java Tutorial
2. JSP
3. PageContext

<%--
  Copyright (c) 2002 by Phil Hanna
  All rights reserved.
  
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  This software is provided without warranty
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<%
pageContext.setAttribute("a", new Integer(10));
pageContext.setAttribute("b", new Integer(3));
%>
a = ${a}, b = ${b}:
<table>
   <tr> <td>a + b = </td> <td>${a + b}</td> </tr>
   <tr> <td>a - b = </td> <td>${a - b}</td> </tr>
   <tr> <td>a * b = </td> <td>${a * b}</td> </tr>
   <tr> <td>a / b = </td> <td>${a / b}</td> </tr>
   <tr> <td>a % b = </td> <td>${a % b}</td> </tr>
   <tr> <td>a mod b = </td> <td>${a mod b}</td> </tr>
</table>

23.33.PageContext
	23.33.1.	Save Value to PageContext
	23.33.2.	Set PageContext Attribute in JSP Page
	23.33.3.	Do Calculation on Value Saved in PageContext
	23.33.4.	Dispatch Page Based on Form Input
	23.33.5.	Compare Attribute in PageContext
	23.33.6.	Check Page Exception