Code #1 uses requestScope["name"] to access the request attribute name. This will work as expected. However requestScope[name] , Here name is without quotes so the
1) container will now search for a attribute "name" in all the 4 scopes one after other and it will find name in request scope with a value "To test thekey and attribute differences"
2) Container will now convert this to requestScope["To test thekey and attribute differences"] and it will search again a attribute with name = "To test thekey and attribute differences" in all the 4 scopes and it will find none and since EL handles null gracefully it will return empty string.
To confirm the above explanation try this EL empty operator.
Result: requestScope["name"]--------->To test thekey and attribute differences requestScope[name]--------->true
Hope its clear
SCJP, SCWCD, SCBCD
Joined: Mar 02, 2008
Thanks for clearing my doubt.
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