<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>


<c:set var="val" value="10" />
<c:if test="${val >1}" var="flag" >
 this is true <br/>
</c:if>
<c:out value="${flag}" />

<c:forEach items="one,two,three" varStatus="seq">
   <c:out value="${seq.count}" /> <br/>
   <c:if test="${seq.count%2==0}" > 
      Even <br/>
   </c:if>
</c:forEach>