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?????? java ????????????????У???????jvm????????????????????????????????jvm?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????load????????????У????????????????????????????????????????????κι?????????????????????????????????????????????????????????????????????????????д??????????б?????????????е???????????仯?????????????????д????
????java volatile1
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????????use and assign ?????γ???
???????????Щ??????????????????? ??read load???????????count????????????????????????е??????????????????????????仯??????????????????????????
????????volatile???ε??????jvm???????????????????????????????????μ?
??????????????1?????2 ?????read??load ?????У????????????count???????5????????????????μ??
?????????1??count????????????write????????У???????е?count????????6
???????2???????????read??load?????????????????????????????count???????6
???????????????????volatile?????????????????????????????
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