JSTL core tag: if : If « JSTL « Java

JSTL core tag: if

<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>
<head><title>Using the Core JSTL tags</title></head>
<h2>Here are the available Time Zone IDs on your system</h2>
<jsp:useBean id="zone" class="com.java2s.ZoneWrapper" /> 
<jsp:useBean id="date" class="java.util.Date" /> 

<c:if test="${date.time != 0}" >

    <c:out value="Phew, time has not stopped yet...<br /><br />" escapeXml="false" />


<c:set var="zones" value="${zone.availableIDs}" scope="session" />

    <c:forEach var="id" items="${zones}">

        <c:out value="${id}<br />" escapeXml="false" />


// Save the ZoneWrapper.class into WEB-INF/classes/com/java2s

package com.java2s;           

import java.util.TimeZone;

public class ZoneWrapper {

  public ZoneWrapper() {

  public String[] getAvailableIDs() {

    return TimeZone.getAvailableIDs();




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