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51CTO
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Java volatile 关键字到底是什么-51CTO.COM
从JSR133内存模型开始(即从JDK5开始),仅仅只允许把一个64位longdouble型变量的写操作拆分为两个32位的写操作来执行,任意的读操作在JSR133中都必须具有原子性。
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