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Errata for OCP: Oracle Certified Professional Java SE 8 Programmer II Study Guide - page 122

 
Guillaume Bailly
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posted 7 years ago
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Hi,

I see page 122 in the section Understand Generic Supertypes "Line 4 is fine... Line 5 is also fine..." while it should be "Line 5 is fine... Line 6 is also fine".

Guillaume
 
Jeanne Boyarsky
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posted 7 years ago
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Confirmed and logged in the errata. Thanks for noting this. While it is obvious what we meant, it is still wrong!

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Frenkel Smeijers
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In that same section it says

3: List<? super IOException> exceptions = new ArrayList<Exception>();


and

Line 3 references a List that could be List<IOException> or List<Exception> or List<Object>.



Just to be complete, List<Throwable> is also possible and even List<Serializable>.
 
Campbell Ritchie
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posted 4 years ago
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That looks like a good catch
 
Jeanne Boyarsky
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posted 4 years ago
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Noted. We will clarify in our Java 11 version of this book.

[OCP 17 book] | [OCP 11 book] | [OCA 8 book] [OCP 8 book] [Practice tests book] [Blog] [JavaRanch FAQ] [How To Ask Questions] [Book Promos]
Other Certs: SCEA Part 1, Part 2 & 3, Core Spring 3, TOGAF part 1 and part 2

 
Henriette Müller
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Are in the 1z0-809 exam also questions from the 1z0-804 exam, or is there a complete new Question pool?
 
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