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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. A a switch statement has default clause to specify a default action and similar way <c:choose> has <c:otherwise> as default clause.
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 following attributes:
Attribute | Description | Required | Default |
---|---|---|---|
test | Condition to evaluate | Yes | None |
<%@ 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> |
This would produce following result:
Your salary is : 4000 Salary is very good. |
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