There are three things as following:
- Add the functions taglib:
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
- Add reportsCounts variable to requestScope instead of session if not required on any other page & use as following:
<c:set var="oracleDBCount" value="0" scope="page" /> <c:forEach var="reportCount" items="${requestScope.reportCounts.databaseName}" varStatus="loop"> <TR> <TD>${requestScope.reportCounts.hash[loop.index]}</TD> <TD>${reportCount} <c:if test="${reportCount == 'ORACLE'}"> <c:set var="oracleDBCount" value="${oracleDBCount + 1}" scope="page"/> </c:if> </TD> <TD>${requestScope.reportCounts.version[loop.index]}</TD> </TR> </c:forEach>
- Now display percentage as:
${(oracleDBCount / fn:length(requestScope.reportCounts))*100}%