JSTL fmt:formatNumber Formatting Tag

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

Download this example.

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