How to apply if tag in JSP?

JSPJava 8Object Oriented ProgrammingProgramming

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 the following attributes −

AttributeDescriptionRequiredDefault
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>

The above code will generate the following result −

My salary is: 4000
raja
Published on 22-Mar-2019 14:35:26
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