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c:set scope option  RSS feed

 
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Hello All,

In page 447 of Head First Servlets and JSP, the authors have mentioned that default scope for <c:set> is page scope. Further, in the section "there are no dumb questions" , the authors have mentioned in the second answer that if you do not use scope in the tag, the container will search scope in the following order - page, request, session and then application/context. Only after not finding an attibute in any of the four scopes, the container will create a new attribute in the page(default) scope.

Ok, after that in a thread I looked up to clear my understanding(http://www.coderanch.com/forums/), Kathy has said that the container will look ONLY in the page scope. If it does not find an attribute, in the page scope only, then it will create a new attribute.

So, if i have
request.setAttribute("name", "abc")

and use
<c:set var="name" value="def"/>

and use
${pageScope.name}

Assuming, these are the only attributes,Will I get null(the container searched through all the scopes) or "def" (the container looks in page scope only and creates a new attribute in page scope finding no attribute matching name in page scope).

I am a little confused. Where am I going wrong?

Thanks in advance.
[ January 02, 2006: Message edited by: Nachiketas ]
 
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Nachiketas,

Perhaps you missed our naming policy on the way in. Basically, it requires a real sounding first AND last name.

Please go here and update your display name.

Thanks, and we'll see you 'round the ranch!!!
 
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