May be not the best refactoring – but my own…
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System is a vile word in a class name. It is meaningless and encourages a pile up of concerns that should remain separated.

Since that dude retired 2 weeks ago, I think it’s safe to scrap that piece of code. Normally it’s better to refactor than re-…

most of the suggestions are great, here is my one.
while i complied this suggestion i had the following points in mind –
1. extensibility
2. simplicity in terms of exposing api

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Maybe not quite a refactoring……

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not much different than what has already been submitted….

Here is my solution… nothing revolutionary but it does the job. I also added the possibility to vote on multiple questions…

almost the same as Vince. But he did a hell of a job, so there isn’t much left to change….

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