JSTL If condition in JSP :

Program #1: Write a program to how to use JSTL if condition in Java server pages

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.or
/TR/html4/loose.dtd">
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>JSTL if condition</title>
</head>
<body>
<c:set var="age" scope="session" value="${20}"/>
<c:if test="${age > 18}">
<p>My age is: <c:out value="${age}"/><p>
</c:if>
</body>
</html>

Output:

JSTL If else condition in JSP :

Program #2: Write a program to how to use JSTL if else condition in Java server pages

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.or
/TR/html4/loose.dtd">
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>JSTL if else condition</title>
</head>
<body>
<h1>c:when, c:otherwise, c:choose</h1>
<c:set var="year" value="2016" ></c:set>
<c:choose>
<c:when test="${year%4==0}">
<c:out value="leap year"></c:out>
</c:when>
<c:otherwise>
<c:out value="Not Leap year"></c:out>
</c:otherwise>
</c:choose>
</body>
</html>

Output:

JSTL multiple If else conditions in JSP :

We use c:when and c:otherwise tags in JSTL like if else if else in java server pages.
Lest wee how to use if else ladder and compare string in jstl multiple if else conditions.
Jstl if else statement multiple conditions

Program #3: Write a program to how to use comparing string in JSTL multiple if else condition in Java server pages

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.or
/TR/html4/loose.dtd">
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>JSTL multiple if else condition/ if else ladder</title>
</head>
<body>
<c:set var="Day" value="Friday" ></c:set>
<c:choose>
<c:when test="${Day=='Sunday'}">
<c:out value="Its SunDay"></c:out>
</c:when>
<c:when test="${Day=='Monday'}">
<c:out value="Its MonDay"></c:out>
</c:when>
<c:when test="${Day=='Tuesday'}">
<c:out value="Its TuesDay"></c:out>
</c:when>
<c:when test="${Day=='Wednesday'}">
<c:out value="Its Wednesday"></c:out>
</c:when>
<c:when test="${Day=='Thursday'}">
<c:out value="Its ThursDay"></c:out>
</c:when>
<c:when test="${Day=='Friday'}">
<c:out value="Its FriDay"></c:out>
</c:when>
<c:otherwise>
<c:out value="Its Saturday"></c:out>
</c:otherwise>
</c:choose>
</body>
</html>

Output:

JSP Jstl if else statement with mutilple conditions

No comments