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JSTL Core c:remove Tag

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The <c:remove> tag is used to remove the variable from the specified scope. If we want to remove the variable from the scope we need to specify the scope if we not specify the scope then it will remove the variables from all scopes.

Syntax For <c:remove> Tag

<c:remove var=”string” scope=”string”/>

Attributes of <c:remove> Tag

  • var: This attribute specify the name of the variable which is to be removed.
  • scope: This attribute specify scope of the variable where the variable can be removed.

Example of <c:remove> Tag

</pre>
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<html>
<head>
     <title>JSTL Example</title>
</head>
<body>
<h3>JSTL Core Tag remove Example.</h3>
<c:set var="str" value="JavaBeat.net"/>
<h4>Values assigned for the string is </h4>
<b>Value of str : </b><c:out value= "${str}" /><br>
<!-- Removing the value associated to variable str1 -->
<c:remove var="str"/>
<h4>After Removing the values from the string </h4>
<b>Value of str is null: </b><c:out value="${str}" /><br>
</body>

</html>

Steps for Execution

  • Save this file as example.jsp in your eclipse IDE.
  • Now select this jsp file, right mouse click and select Run as ->Run on server

Output

When the execution process is completed successfully we will get the following output :
JSTL core c remove tag_demo

Previous Tutorial : JSTL Core c:import  :: Next Tutorial : JSTL Core c:forEach Tag

About Krishna Srinivasan

He is Founder and Chief Editor of JavaBeat. He has more than 8+ years of experience on developing Web applications. He writes about Spring, DOJO, JSF, Hibernate and many other emerging technologies in this blog.