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I will appreciate if someone can provide their guess for why my answer to my own question is getting downvoted.

To summarize, the question is:

Is there a Map<K1, K2, V> implemented in Java where the retrieval can be performed with either of two different types, like a primary key and alternate key?

My answer:

There isn't such a popular map implementation.

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11  
Well, it doesn't answer the question for starters... –  Servy Mar 12 '13 at 18:29
    
Terrible "answer", accepted for the sake of it, with lots of reasonable ones available... -1 –  brasofilo Mar 12 '13 at 18:32
5  
The answer is "I need to accept some answer. The consensus seems to be that no such exists out there but is a useful concept." ... The first sentence is already a pretty good indication you should have stopped right there. And the second sentence doesn't add a whole lot either. It's a bad answer. –  Bart Mar 12 '13 at 18:37
    
Nope. –  Won't Mar 12 '13 at 18:42
    
Thank you for additional downvotes. I did get several comments asking me to improve my accept rate, which is why I accepted it. But I would argue that it does answer the question. The question "is there any...?" the answer is "no" –  Miserable Variable Mar 12 '13 at 20:25
    
@HemalPandya There no longer is such a thing as accept rate. And such comments are easily ignored (and should really be flagged). Don't ever feel pushed into accepting anything. –  Bart Mar 12 '13 at 21:53

1 Answer 1

Because it isn't really an answer and is at best a comment on your question.

Why not just leave your question open? We no longer show your accept rate publicly, so there is no impetus to accept a non-answer if none exist.

(Rereading your question, you should encourage Rekin to post their comment as an answer. A composite key would likely be best made into its own class.)

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It is an answer -- for example, to the question "is there anything that travels faster then light"? The answer is "no". –  Miserable Variable Mar 12 '13 at 20:26
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@Hemal The strictly correct answer to that is actually "not to our knowledge" :) –  Jack Mar 12 '13 at 21:31
    
@Hermal: considering you were given 2 answers to your question, you have no leg to stand on. If you don't like those answers, that is fine, but they were answers that would work. (I downvoted the one that did not actually work) –  user7116 Mar 12 '13 at 22:00
    
@sixlettervariables which answer is correct? Aren't they all describing a complex key situation instead of alternate key that I am asking for? –  Miserable Variable Mar 13 '13 at 1:23

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