Bhaarat Sharma wrote:
But in this case why would I write another for loop to do
something that can be done in the for loop that I already have?
Maybe learning about the life cycle of even a simple tag will convince
you that doing unnecessary computation within the display layer is a
mistake:
http://java.sun.com/webservices/docs/1.6/api/javax/servlet/jsp/tagext/Tag.html
Especially the more complex life cycles of more detailed tags (since
s:set can have a body, it's got to implement BodyTag, I believe) :
http://java.sun.com/webservices/docs/1.6/api/javax/servlet/jsp/tagext/IterationTag.html
http://java.sun.com/webservices/docs/1.6/api/javax/servlet/jsp/tagext/BodyTag.html
And since your summation actually did the work through OGNL, you also
add the parsing/evaluation computational expense each time through that
loop.
-Dale
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