JSTL fmt:formatNumber Formatting Tag

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The JSTL <fmt:formatNumber> Formatting Tag is used for formatting the numbers, currencies and percentages.

Syntax: 

<fmt:formatNumber value=”val” otherattributes />

fmt:formatNumber tag attributes:

Attribute Description Required
value It specify the numeric value to display. Yes
type NUMBER, CURRENCY, PERCENT No
pattern It specify a custom formatting pattern for the output.. No
currencyCode Currency code (for type=”currency”). No
currencySymbol Currency symbol (for type=”currency”). No
groupingUsed It specify whether to group numbers (TRUE or FALSE). No
maxIntegerDigits It specify the maximum number of integer digits to print. No
minIntegerDigits It specify the minimum number of integer digits to print. No
maxFractionDigits It specify the maximum number of fractional digits to print. No
minFractionDigits It specify the minimum number of fractional digits to print. No
var It specify the name of the variable to store the formatted number. No
scope It specify the scope of the variable to store the formatted number No

Example:

test.jsp

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
 
<html>
  <head>
	<title>fmt:formatNumber JSTL formatting tag example</title>
  </head>
  <body>
    <c:set var="num" value="324123.23234"/>
    Number after setting type attribute: <br/>
    <fmt:formatNumber value="${num}" type="currency"/> <br/>
    Number after setting maxIntegerDigits and maxFractionDigits attribute:
    <br/>
    <fmt:formatNumber type="number" maxIntegerDigits="4" 
    maxFractionDigits="3" value="${num}" /> <br/>
    Number after setting pattern attribute: <br/>
    <fmt:formatNumber type="number" pattern="##,###.##" value="${num}" />
	</body>
</html>

web.xml

<web-app>
 
  <welcome-file-list>
          <welcome-file>test.jsp</welcome-file>
  </welcome-file-list>	
 
</web-app>

Output:

jsp example 43
 
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