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Errata for OCP: OCP Java SE 8 Programmer II Study Guide - Page 98 - Chapter 2, 10th Review Question

 
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10th question in Chapter 2 includes line numbers that mean all of them defined in a single file. One class or interface can be public and others have to be package private in the same file except inner classes. However in this case the file includes three public interface definition and none of them is inner. The question can be corrected by making two of them package-private or omitting line numbers in the question.  
 
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Onur,
Welcome to CodeRanch!  You are correct. I've added this to the errata.

Oracle no longer uses line numbers in this way on the exam so one less thing to watch for. You'll see line numbers marked with comments instead.
 
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