WILEY JAVA OCA Question error (Sybex 07.10)

[Jens van Groeningen]

In this question it is stated that the following is correct:
'A checked exception thrown by a method in the parent class must be the same or narrower than the exception thrown by the method in the child class'

Which is absolutely incorrect because the inverse is true, namely:
'A checked exception thrown by a method in the parent class must be the same or BROADER than the exception thrown by the method in the child class'

[Campbell Ritchie]

Welcome to the Ranch

I think you are correct. Have you checked the book's errata paage?

[Jens van Groeningen]

Thank you!

I checked the following errata page: https://www.selikoff.net/java-oca-8-programmer-i-study-guide/

The error I discovered was not on this page and the page instructed me to post the error on this forum.

[Campbell Ritchie]

Thank you. I shall move you to the exam forum where the authors check the posts regulatrly.

[Jens van Groeningen]

Thank you!
Much appreciated

[Jens van Groeningen]

I just noted that I referenced the wrong errata page. This is the correct errata page for the test exam questions: https://www.selikoff.net/jpt/ that directed me to this forum 😁

[Jeanne Boyarsky]

Jens,
That question states "Which of the following statements about overriding a method is incorrect".

Option C (A checked exception thrown by a method in the parent class must be the same or narrower than the exception thrown by the method in the child class) is the correct answer to this question. Because it is the *incorrect* option. So we both agree that the statement in option C is untrue.

[Jens van Groeningen]

Dear Jeanne,

The question states the following:

Which of the following statements about overriding a method is incorrect?
A. The return types must be covariant.
B. The access modifier of the method in the child class must be the same or broader than the method in the superclass.
C. A checked exception thrown by the method in the parent class must be thrown by the method in the child class.
D. A checked exception thrown by a method in the parent class must be the same or narrower than the exception thrown by the method in the child class.

And it states that the correct answer is C, and thus claiming that D (A checked exception thrown by a method in the parent class must be the same or narrower than the exception thrown by the method in the child class) is a valid statement, which it is not.

[Jeanne Boyarsky]

Oh, we are talking about D. We have different text: You posted:

D. A checked exception thrown by a method in the parent class must be the same or narrower than the exception thrown by the method in the child class.

My printed copy of the book has

D. A checked exception thrown by a method in the child class must be the same or narrower than the exception thrown by the method in the parent class.

Can you double check the text isn't flipped in yours. And assuming it is wrong, what book format are you using? Printed, kindle, etc?

[Jens van Groeningen]

Hi Jeanne,

I am doing the 'OCA / OCP Java SE 8 Programmer Practice Tests' using Wiley Efficient Learning.
A screenshot of how the question is displayed on Wiley Efficient Learning is attached.

[Jeanne Boyarsky]

Thanks Jens! I've added it to the errata list and credited you.

[Jens van Groeningen]

Thank you!
Glad I could help.