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






<%--
  Copyright (c) 2002 by Phil Hanna
  All rights reserved.
  
  You may study, use, modify, and distribute this
  software for any purpose provided that this
  copyright notice appears in all copies.
  
  This software is provided without warranty
  either expressed or implied.
--%>
<%
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>
  Download:  JSPDoCalculationOnValueSavedInPageContext.zip( 3 k)








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