JSTL - Core <c:set> Tag


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The <c:set> tag is JSTL-friendly version of the setProperty action. The tag is helpful because it evaluates an expression and uses the results to set a value of a JavaBean or a java.util.Map object.

Attribute

The <c:set> tag has the following attributes −

Attribute Description Required Default
Value Information to save No body
target Name of the variable whose property should be modified No None
property Property to modify No None
var Name of the variable to store information No None
scope Scope of variable to store information No Page

If target is specified, property must also be specified.

Example

<%@ taglib uri = "http://java.sun.com/jsp/jstl/core" prefix = "c" %>

<html>
   <head>
      <title><c:set> Tag Example</title>
   </head>

   <body>
      <c:set var = "salary" scope = "session" value = "${2000*2}"/>
      <c:out value = "${salary}"/>
   </body>
</html>

The above code will generate the following result −

4000
jsp_standard_tag_library.htm

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