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Problem with Generics?

 
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Hi All,
I was testing the K&B question about generics and found the following problem..which book says is right but it giving me an error..?


according to book it should compile..but it is giving me the following error?



I am finding it really difficult to understand..how to established relationship between..
type of output and List< ? super E>

can any one help me to understand..?
 
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Dude this question is wrong! refer the 2 prev topics which discussed this!
 
Deepak Chopra
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you mean to say...question given in the book is wrong or something else.?
please clarify...!!
 
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This is an Errata question, the correct method signature is:

public static <E extends Number> List<E> process(List<E> nums)
 
Deepak Chopra
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Hi,
Is there any form which contain all the Errata questions?
 
ahmed yehia
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Check SCJP forum main page for: K&B Errata
 
Deepak Chopra
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Well I found one "Mock Exam Errata"..and it has only one post..!!
Is there any post or link where i can find all the mistakes in K&B..!!

Thanks in advance..!!
 
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Go to the link

https://coderanch.com/t/257589/java-programmer-SCJP/certification/SCJP-Errata-Updated


javaranch
 
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