struts2 - calculate in struts 2 tag? -

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i have iterate , want calculate sum of values :

 <s:iterator value="myvalues" status="mystatus">      <s:property value="value" />  </s:iterator>   <s:property value="total.here" />

i want show sum of "value" in "total.here". sorry bad english. thank much.

assuming myvalues array or list of integral values accessible action:

<s:set var="total" value="%{0}" /> <s:iterator value="myvalues">      <s:set var="total" value="%{top + #attr.total}" /> </s:iterator>  <s:property value="%{'' + #attr.total}" />

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