Top "Jstl" questions

JSTL (JSP Standard Tag Library) is a JSP based standard tag library which offers tags to control the flow in the JSP page, date/number formatting and internationalization facilities and several utility EL functions.

if...else within JSP or JSTL

I want to output some HTML code based on some condition in a JSP file. if (condition 1) { Some HTML code …

jsp if-statement jstl
Evaluate empty or null JSTL c tags

How can I validate if a String is null or empty using the c tags of JSTL? I have a …

jsp jstl el
How to use if-else option in JSTL

Is there an if-else tag available in JSTL?

jsp jstl
How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved

I don't know what I've done incorrectly, but I can't include JSTL. I have jstl-1.2.jar, but unfortunately I get …

jsp servlets jstl
JSTL if tag for equal strings

I've got a variable from an object on my JSP page: <%= ansokanInfo.getPSystem() %> The value of the variable …

java jsp websphere jstl jsp-tags
Check a collection size with JSTL

How can I check the size of a collection with JSTL? Something like: <c:if test="${companies.size() > 0}"&…

jsp collections jstl
How to resolve : Can not find the tag library descriptor for "http://java.sun.com/jsp/jstl/core"

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <%@ page import="com.library.controller.*"%> &…

java jsp jstl
How to do if-else in Thymeleaf?

What's the best way to do a simple if-else in Thymeleaf? I want to achieve in Thymeleaf the same effect …

java jsp if-statement jstl thymeleaf
How to get a index value from foreach loop in jstl

I have a value set in the request object like the following, String[] categoriesList=null; categoriesList = engine.getCategoryNamesArray(); request.setAttribute("…

java jsp for-loop foreach jstl
Iterate over elements of List and Map using JSTL <c:forEach> tag

If I have a JSF backing bean return an object of type ArrayList, I should be able to use <…

list jsp foreach hashmap jstl