JSTL Core <c:if> Tag

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The <c:if> tag evaluates an expression and displays its body content only if the expression evaluates to true.

Attribute:

The <c:if> tag has following attributes:

AttributeDescription RequiredDefault
testCondition to evaluateYesNone
varName of the variable to store the condition's resultNoNone
scopeScope of the variable to store the condition's resultNopage

Example:

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<html>
<head>
<title><c:if> Tag Example</title>
</head>
<body>
<c:set var="salary" scope="session" value="${2000*2}"/>
<c:if test="${salary > 2000}">
   <p>My salary is: <c:out value="${salary}"/><p>
</c:if>
</body>
</html>

This would produce following result:

My salary is: 4000


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