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clarify he answer of HFSJ

 
Wai Yip Lau
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I would like to ask for the answer for question 5 of ch14(filters). The answer from the book states A and G. But I doubt if D is also the answer since it didn't provide an explanation and the one from C indirectly says D is correct. If I am wrong, please help me. Thank You!!
 
Kedar Dravid
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D is correct.
Maybe you should look at the errata to confirm...
 
It is sorta covered in the JavaRanch Style Guide.
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