What is the upmost important key point when developing multi-threaded program?
Well, there are lots of books talking about multi-threaded programming. And this question is quite open, and it may not have a simple answer.

But I want to ask **if there is a very, very important aspect by your experience. And you know experience is very useful and that can't be learned from the book.**

Your experience for upmost important key point is well appreciated.

Thanks sharing your experience. ^_^
What is the upmost important key point when developing multi-threaded program?
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Well, there are lots of books talking about multi-threaded programming. And this question is quite open, and it may not have a simple answer.

But I want to ask **if there is a very, very important aspect by your experience. And you know experience is very useful and that can't be learned from the book.**

Your experience for upmost important key point is well appreciated.

Thanks sharing your experience. ^_^