https://blog.youkuaiyun.com/NJSFHeshzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/NJSFHesh/article/details/148919315https://blog.youkuaiyun.com/NJSFHesh/article/details/148919315NJSFHeshThu, 26 Jun 2025 17:25:36 +0800https://blog.youkuaiyun.com/NJSFHesh/article/details/147816778https://blog.youkuaiyun.com/NJSFHesh/article/details/147816778NJSFHeshFri, 09 May 2025 12:32:36 +0800https://blog.youkuaiyun.com/NJSFHesh/article/details/145450592https://blog.youkuaiyun.com/NJSFHesh/article/details/145450592NJSFHeshWed, 05 Feb 2025 10:49:23 +0800https://blog.youkuaiyun.com/NJSFHesh/article/details/144584361https://blog.youkuaiyun.com/NJSFHesh/article/details/144584361NJSFHeshThu, 19 Dec 2024 14:43:07 +0800https://blog.youkuaiyun.com/NJSFHesh/article/details/142149373https://blog.youkuaiyun.com/NJSFHesh/article/details/142149373NJSFHeshWed, 11 Sep 2024 20:55:25 +0800https://blog.youkuaiyun.com/NJSFHesh/article/details/136193620https://blog.youkuaiyun.com/NJSFHesh/article/details/136193620NJSFHeshTue, 20 Feb 2024 16:37:09 +0800https://blog.youkuaiyun.com/NJSFHesh/article/details/113107586https://blog.youkuaiyun.com/NJSFHesh/article/details/113107586NJSFHeshTue, 20 Feb 2024 16:33:31 +0800https://blog.youkuaiyun.com/NJSFHesh/article/details/135380053https://blog.youkuaiyun.com/NJSFHesh/article/details/135380053NJSFHeshTue, 16 Jan 2024 10:20:28 +0800https://blog.youkuaiyun.com/NJSFHesh/article/details/131561298https://blog.youkuaiyun.com/NJSFHesh/article/details/131561298NJSFHeshWed, 05 Jul 2023 18:02:28 +0800B->A。如果一个线程前后两次读取数据，都是A，实际上脏读/多线程安全问题已经发生。CAS算法，compareAndSwap，对数据的每次操作都记录下时间戳，只有当时间戳和数据一样时，才会进行操作。synchronized也可以实现原子操作， 它是对资源加锁，同一时间内，只有抢占到锁资源的才能操作数据。加入volatile修饰后，线程本地副本的值不在有效，强制线程从堆内存中拿值。如果只是针对变量的原子操作，那么就使用原子变量。所有操作都具有原子性的变量。]]>https://blog.youkuaiyun.com/NJSFHesh/article/details/131472643https://blog.youkuaiyun.com/NJSFHesh/article/details/131472643NJSFHeshFri, 30 Jun 2023 11:15:53 +0800https://blog.youkuaiyun.com/NJSFHesh/article/details/131451911https://blog.youkuaiyun.com/NJSFHesh/article/details/131451911NJSFHeshThu, 29 Jun 2023 14:19:48 +0800https://blog.youkuaiyun.com/NJSFHesh/article/details/131436526https://blog.youkuaiyun.com/NJSFHesh/article/details/131436526NJSFHeshWed, 28 Jun 2023 14:45:33 +0800https://blog.youkuaiyun.com/NJSFHesh/article/details/112791068https://blog.youkuaiyun.com/NJSFHesh/article/details/112791068NJSFHeshMon, 18 Jan 2021 21:03:38 +0800https://blog.youkuaiyun.com/NJSFHesh/article/details/110632858https://blog.youkuaiyun.com/NJSFHesh/article/details/110632858NJSFHeshFri, 04 Dec 2020 14:53:09 +0800https://blog.youkuaiyun.com/NJSFHesh/article/details/109124797https://blog.youkuaiyun.com/NJSFHesh/article/details/109124797NJSFHeshMon, 26 Oct 2020 10:44:35 +0800