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Is the Stack collection class on the exam?  RSS feed

 
Mahmoud Hossam
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Will I be seeing questions asking about the methods of this class?

I just saw this question in a certification book :
6. What is the result of the following statements?




 
Mohamed Sanaulla
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From the official objective:
# Write code that uses the generic versions of the Collections API, in particular, the Set, List, and Map interfaces and implementation classes. Recognize the limitations of the non-generic Collections API and how to refactor code to use the generic versions. Write code that uses the NavigableSet and NavigableMap interfaces.


So you could find Stack as it implements List
 
Deepak Bala
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Is the Stack collection class on the exam?


Yes
 
Mahmoud Hossam
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Okay, thank you
 
Andreas Svenkson
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Does anyone else find it a bit odd that the Iterator given by Stack, doesn't return the elements in the LIFO order that the Stack is built for?

// Andreas
 
Deepak Bala
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Andreas Svenkson wrote:Does anyone else find it a bit odd that the Iterator given by Stack, doesn't return the elements in the LIFO order that the Stack is built for?

// Andreas


I find it odd that a stack would require an Iterator. And dont get me started about extending Vector....
 
Stephan van Hulst
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Stack is legacy anyway. Use LinkedList/ArrayDeque instead.
 
Andreas Svenkson
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Yeah it's more the risc of getting a question about it on the test I was thinking about

// Andreas
 
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