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Imports - static and otherwise

 
matt love
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From B and S practice exams, Exam 4, number 9, page 369.

Using Eclipse, I have 2 files:



Note: Unlike the actual question from the book, I have added "package com"; to the Theorics file.

Which are the minimum line(s) of code to add at "insert code here" for the files to compile?
(Choose all that apply.)
A. import static com.*;
B. import com.Extramuros;
C. import com.Extramuros.*;
D. import static com.Extramuros;
E. import static com.Extramuros.*;
F. Even with correct imports, the code will not compile due to other errors

Book's answer is B and E.

When I add only line E to Theorics, all compile issues are resolved.

When I add only line B to Theorics, nothing changes.

Why does B and S say B is a required correct answer?

Thanks.

Matt

 
Helen Ma
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Extramurous and Theoric are two classes in the same package called com.
I don't think in Theoric.java, we don't need to import com.Extramurous.

I guess B is not necessary.

What do all of you think?
 
It is sorta covered in the JavaRanch Style Guide.
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