Resources for learning memory model and Thread safety in java [closed]

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I have been sear开发者_C百科ching for resources to understand thread safety in java and came across this. Is there any popular/comprehensive resource or books that explains thread safety in a more simpler way, perhaps with more sample programs. I found the above resource hard to understand.

Thanks!

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Java Concurrency In Practice is the best book on multi-threading with Java that I know of.