Dinesh on Java

Categories: JSTL

JSTL Parse Number Example <fmt:parseNumber>

JSTL Parse Number tag is used to parse the numbers, percentage or currency.

JSTL Parse Number Example:

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>

<html>
<head>
 <title>JSTL Parse Number Example</title>
</head>
<body>
    <!-- Setting Locale to US -->
    <fmt:parseNumber value="156.1432" var="test" integerOnly="TRUE" type="NUMBER"></fmt:parseNumber>
    <c:out value="${test}"></c:out>
</body>
</html>

As you can see above, JSTL Parse Number Tag is used to parse the number. Parse Number Tag in JSTL has following attributes.

1. value : Value attribute provides the number to be parsed.

2. type: Type attribute specifies the type of string to be parsed. It can be NUMBER, PERCENT or CURRENCY.

3. var : Var attribute provides the variable that is used to store the parsed number. This variable can be used later in the jsp.

4. intgerOnly: integerOnly attribute allows to store number in Integer format only. Default value is false.

5. pattern: Pattern attribute provides custom formatting pattern that determines how the string in the value attribute is to be parsed.

6. scope: Scope attribute provides the scope of variable.

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Dinesh Rajput

Dinesh Rajput is the chief editor of a website Dineshonjava, a technical blog dedicated to the Spring and Java technologies. It has a series of articles related to Java technologies. Dinesh has been a Spring enthusiast since 2008 and is a Pivotal Certified Spring Professional, an author of a book Spring 5 Design Pattern, and a blogger. He has more than 10 years of experience with different aspects of Spring and Java design and development. His core expertise lies in the latest version of Spring Framework, Spring Boot, Spring Security, creating REST APIs, Microservice Architecture, Reactive Pattern, Spring AOP, Design Patterns, Struts, Hibernate, Web Services, Spring Batch, Cassandra, MongoDB, and Web Application Design and Architecture. He is currently working as a technology manager at a leading product and web development company. He worked as a developer and tech lead at the Bennett, Coleman & Co. Ltd and was the first developer in his previous company, Paytm. Dinesh is passionate about the latest Java technologies and loves to write technical blogs related to it. He is a very active member of the Java and Spring community on different forums. When it comes to the Spring Framework and Java, Dinesh tops the list!