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FilenameFilter?

 
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Hi all,

I was going through some Whizlabs mock exam questions and came across FilenameFilter which is an interface used by the File class.

Do we need to know FilenameFilter for the exam?

Im only asking as Whizlabs asks questions about DataOutputStream and DataOutputStream which I know are not on the exam (even though its on the objectives).

Thanks
 
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Originally posted by Santiago Bravo:
Im only asking as Whizlabs asks questions about DataOutputStream and DataOutputStream which I know are not on the exam (even though its on the objectives).


How do you know those are not on the exam? If they are mentioned in the objectives, then you can expect questions about them on the exam.

Note that not everybody on the exam gets the exact same questions, so if your colleague didn't get any questions about for example DataOutputStream, it doesn't mean that you won't get questions about it. The questions that you get on the exam are randomly chosen from a large pool of questions.
 
Santiago Bravo
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Im only going by the KS&BB Java 5 book. See page 457 where the 'Exam Watch' says that DataInputStream and DataOutputStream classes are on the objectives BUT it was decided that they are not on the exam. Hence no need to study them

If this is wrong please let me know
 
Santiago Bravo
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Can anyone please clarify?
 
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