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How to apply choose tag in JSP?
The <c:choose> works like a Java switch statement in that it lets you choose between a number of alternatives. Where the switch statement has case statements, the <c:choose> tag has <c:when> tags. Just as a switch statement has the default clause to specify a default action, <c:choose> has <c:otherwise> as the default clause.
Attribute
The <c:choose> tag does not have any attribute.
The <c:when> tag has one attributes which is listed below.
The <c:otherwise> tag does not have any attribute.
The <c:when> tag has the following attributes −
Attribute | Description | Required | Default |
---|---|---|---|
test | Condition to evaluate | Yes | None |
Example
<%@ taglib uri = "http://java.sun.com/jsp/jstl/core" prefix = "c" %> <html> <head> <title><c:choose> Tag Example</title> </head> <body> <c:set var = "salary" scope = "session" value = "${2000*2}"/> <p>Your salary is : <c:out value = "${salary}"/></p> <c:choose> <c:when test = "${salary <= 0}"> Salary is very low to survive. </c:when> <c:when test = "${salary > 1000}"> Salary is very good. </c:when> <c:otherwise> No comment sir... </c:otherwise> </c:choose> </body> </html>
The above code will generate the following result −
Your salary is : 4000 Salary is very good.
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