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https://github.com/NeedMo/JavaGuide/blob/main/docs/java/concurrent/java-concurrent-questions-02.md#如何禁止指令重排序
https://github.com/NeedMo/JavaGuide/blob/main/docs/java/concurrent/java-concurrent-questions-02.md#volatile-可以保证原子性么
https://github.com/NeedMo/JavaGuide/blob/main/docs/java/concurrent/java-concurrent-questions-02.md#synchronized-关键字
https://github.com/NeedMo/JavaGuide/blob/main/docs/java/concurrent/java-concurrent-questions-02.md#synchronized-是什么有什么用
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https://github.com/NeedMo/JavaGuide/blob/main/docs/java/concurrent/java-concurrent-questions-02.md#构造方法可以用-synchronized-修饰么
https://github.com/NeedMo/JavaGuide/blob/main/docs/java/concurrent/java-concurrent-questions-02.md#synchronized-底层原理了解吗
https://github.com/NeedMo/JavaGuide/blob/main/docs/java/concurrent/java-concurrent-questions-02.md#synchronized-同步语句块的情况
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https://github.com/NeedMo/JavaGuide/blob/main/docs/java/concurrent/java-concurrent-questions-02.md#总结
Java 锁与线程的那些事 - 有赞技术团队https://tech.youzan.com/javasuo-yu-xian-cheng-de-na-xie-shi/
https://github.com/NeedMo/JavaGuide/blob/main/docs/java/concurrent/java-concurrent-questions-02.md#jdk16-之后的-synchronized-底层做了哪些优化
Java6 及以上版本对 synchronized 的优化https://www.cnblogs.com/wuqinglong/p/9945618.html
https://github.com/NeedMo/JavaGuide/blob/main/docs/java/concurrent/java-concurrent-questions-02.md#synchronized-和-volatile-有什么区别
https://github.com/NeedMo/JavaGuide/blob/main/docs/java/concurrent/java-concurrent-questions-02.md#synchronized-和-reentrantlock-有什么区别
https://github.com/NeedMo/JavaGuide/blob/main/docs/java/concurrent/java-concurrent-questions-02.md#两者都是可重入锁
https://github.com/NeedMo/JavaGuide/blob/main/docs/java/concurrent/java-concurrent-questions-02.md#synchronized-依赖于-jvm-而-reentrantlock-依赖于-api
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https://github.com/NeedMo/JavaGuide/blob/main/docs/java/concurrent/java-concurrent-questions-02.md#参考
https://www.baeldung.com/java-volatilehttps://www.baeldung.com/java-volatile
https://droidyue.com/blog/2016/03/13/learning-threadlocal-in-java/https://droidyue.com/blog/2016/03/13/learning-threadlocal-in-java/
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