NULL value And Boolean : If « JSTL « Java Tutorial






  1. Java Tutorial
  2. JSTL
  3. If
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jstl/fmt" %>

<html>
<head>
<title>EL Expression Examples</title>
</head>
<body>
<h1>EL Expression Examples</h1>



<h2>Boolean and Null Values</h2>

<c:set var="StrVar" value="true"/>
<c:if test="${StrVar}">
  equal!
</c:if><br/>

null == null
<c:out value="${null == null}"/>


</body>
</html>
  Download:  JSTLNULLValueAndBoolean.zip( 1,021 k)




24.4.If
24.4.1.JSTL If Statement
24.4.2.JSTL If Else Statement
24.4.3.JSTL If With Logical Operator And/Or
24.4.4.JSTL If Statement with True Value
24.4.5.JSTL If Statement without Body
24.4.6.Set Test Result to Variable
24.4.7.NULL value And Boolean