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certgear Q?? HFS.. Ans??

 
Deepa Korecherla
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I have done the free 20 Q's mock exam in certgear...
But, one question in it is.....

public class ELF
{
p s String concat(String a, String b)
{return a+b;}
}
Which is the correct way to use this function if u reference the TLD as follows??

<%@ taglib prefix="fnt" uri="/WEB-INF/my_fnt.tld" %>

Answer is-- ${fnt:concat("abc","def")};

though the tld file is not shown...where the mapping to the function is specified.
As acc. to HFS book ..page 423..Qno. 14
with the same type question..that says :
A valid invocation can't be determined.

Which I guess HFS is right..
Clarify me...certgear & HFS people...
 
Deepa Korecherla
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Hi can anyone answer my Qeustion above...
I'm having version problems to check in my comp.
 
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