Dinesh on Java

Categories: JSTL

JSTL fn:toLowerCase() Function

JSTL toLowerCase Function returns String that contains all characters in lower case. The fn:toLowerCase() function converts all the characters of a string to lowercase.

Syntax:
The fn:toLowerCase() function has following syntax:

java.lang.String toLowerCase(java.lang.String)

Example:

Following is the example to explain the functionality of this function:

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>JSTL ToLowerCase Function Example</title>
</head>
<body>
  <c:out value="${fn:toLowerCase('Dinesh Rajput')}"/>
</body>
</html>

Output: dinesh rajput

As you can see above, fn:toLowerCase() takes a String as input parameter. It converts all characters in that String to lower case and returns it with all lower case characters.

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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!