{"id":277962,"date":"2021-01-13T19:15:35","date_gmt":"2021-01-13T11:15:35","guid":{"rendered":"http:\/\/4563.org\/?p=277962"},"modified":"2021-01-13T19:15:35","modified_gmt":"2021-01-13T11:15:35","slug":"%e5%86%99%e4%ba%86%e4%b8%80%e4%b8%aa%e7%b3%bb%e5%88%97%e7%9a%84%e6%96%87%e7%ab%a0-juc-%e6%a1%86%e6%9e%b6%e6%ba%90%e7%a0%81%e8%a7%a3%e6%9e%90%e7%b3%bb%e5%88%97%e6%96%87%e7%ab%a0","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=277962","title":{"rendered":"\u5199\u4e86\u4e00\u4e2a\u7cfb\u5217\u7684\u6587\u7ae0–JUC \u6846\u67b6\u6e90\u7801\u89e3\u6790\u7cfb\u5217\u6587\u7ae0"},"content":{"rendered":"
\n
\n
\n

\u5199\u4e86\u4e00\u4e2a\u7cfb\u5217\u7684\u6587\u7ae0–JUC \u6846\u67b6\u6e90\u7801\u89e3\u6790\u7cfb\u5217\u6587\u7ae0 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : amiwrong123 <\/span> <\/i> 0<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u6765 v \u7ad9\u4e5f\u4e00\u5e74\u591a\u4e86\uff0c\u5f88\u559c\u6b22\u4e0e v \u53cb\u4eec\u4ea4\u6d41\u6280\u672f\uff0c\u53ea\u662f\u5f88\u540e\u6094\u6ca1\u6709\u65e9\u70b9\u6765 v \u7ad9\uff08\u5de5\u4f5c\u540e\u624d\u77e5\u9053 v \u7ad9\uff09\uff0c\u8981\u662f\u65e9\u70b9\u6765\uff0c\u53ef\u80fd\u6211\u7684\u8def\u5b50\u4f1a\u8d70\u5f97\u66f4\u597d\uff08\u8bdd\u9898\u626f\u8fdc\u4e86\uff09\u3002<\/p>\n

\u53bb\u5e74\u6709\u6bb5\u65f6\u95f4\u5bf9 JUC \u6846\u67b6\u5f88\u611f\u5174\u8da3\uff0c\u5c31\u82b1\u4e86\u51e0\u4e2a\u6708\u65f6\u95f4\u6765\u9605\u8bfb\u4e86\u5b83\u4eec\u7684\u6e90\u7801\u3002\u671f\u95f4\u4e5f\u662f\u6765\u8fc7 v \u7ad9\u53d1\u8fc7\u5f88\u591a\u5e16\u5b50\u6765\u8be2\u95ee\u3002<\/p>\n

\u672c\u4eba\u5c5e\u4e8e\u6bd4\u8f83\u7b28\u7684\u90a3\u79cd\uff0c\u4e00\u4e2a\u6982\u5ff5\u5982\u679c\u4e0d\u662f\u7531\u6d45\u5165\u6df1\u3001\u5faa\u5e8f\u6e10\u8fdb\u7684\u65b9\u5f0f\u8bb2\u89e3\u5c31\u53ef\u80fd\u641e\u4e0d\u61c2\uff0c\u6240\u4ee5\u6211\u5199\u7684\u535a\u5ba2\u4e5f\u4f1a\u5f88\u5177\u4f53\uff0c\u5f88\u591a\u7ec6\u8282\u4f1a\u53bb\u770b\uff0c\u6240\u4ee5\u6211\u89c9\u5f97\u6211\u7684\u535a\u5ba2\u4e5f\u4f1a\u6bd4\u8f83\u597d\u61c2\uff08\u738b\u5a46\u5356\u74dc~\uff09\u3002<\/p>\n

\u5199\u5b8c\u8fd9\u4e2a\u7cfb\u5217\u786e\u5b9e\u6536\u83b7\u5f88\u5927\uff0c\u552f\u4e00\u7684\u9057\u61be\u662f\u6ca1\u6709\u65f6\u95f4\u53bb\u770b forkjoinpool \u7684\u6e90\u7801\u4e86\u3002\u5728\u8fd9\u91cc\u628a\u6587\u7ae0\u5206\u4eab\u7ed9\u5927\u5bb6\uff0c\u5e0c\u671b\u548c\u5927\u5bb6\u591a\u591a\u4ea4\u6d41\u3002\u5c24\u5176\u5bf9 AQS \u8bb2\u89e3\u5f97\u5f88\u7ec6\u81f4\uff0c\u628a AQS \u5206\u4e3a\u4e86\u56db\u90e8\u5206\u5faa\u5e8f\u6e10\u8fdb\u5f97\u8fdb\u884c\u4e86\u8bb2\u89e3\uff08\u4e4b\u524d\u4e5f\u770b\u4e86\u8fd9\u4f4d\u5927\u4f6c\u7684\u535a\u5ba2 https:\/\/segmentfault.com\/a\/1190000016058789 \uff0c\u4ed6\u5199\u7684\u5f88\u597d\uff0c\u5bf9\u6211\u542f\u53d1\u5f88\u5927\uff0c\u4e5f\u5411\u5927\u5bb6\u63a8\u8350\uff09\u3002<\/p>\n

\u5927\u5bb6\u4e5f\u4e0d\u8981\u5410\u69fd\u6211\u5728 csdn \u5199\u535a\u5ba2\u54c8\u3002\u4e0b\u9762\u653e\u5e72\u8d27\uff1a<\/p>\n

JUC \u6846\u67b6 \u6e90\u7801\u89e3\u6790\u7cfb\u5217\u6587\u7ae0\u76ee\u5f55 JDK8<\/p>\n

JUC \u6846\u67b6\u7684\u57fa\u7840\u662f CAS \u548c\u81ea\u65cb\uff0c\u800c CAS \u5219\u662f\u5229\u7528Unsafe<\/code>\u7c7b\u63d0\u4f9b\u7684 CAS \u64cd\u4f5c\uff0c\u800c\u539f\u5b50\u7c7b\u5219\u4f9d\u9760\u4e8e CAS \u548c\u81ea\u65cb\u3002\u4e0b\u9762\u51e0\u7bc7\u6587\u7ae0\u4ece\u6e90\u7801\u5206\u6790 JUC \u6846\u67b6\u5185\u7684\u51e0\u4e2a\u91cd\u8981\u7684\u539f\u5b50\u7c7b\u3002<\/p>\n

    \n
  • JUC AtomicInteger \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
  • JUC AtomicIntegerArray \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
  • JUC AtomicStampedReference \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n<\/ul>\n

    ThreadLocal \u672c\u8eab\u4e0d\u5728 JUC \u6846\u67b6\u4e4b\u4e2d\uff0c\u4f46\u5b83\u5374\u662f\u4e00\u79cd\u9632\u6b62\u591a\u7ebf\u7a0b\u7ade\u4e89\u7684\u91cd\u8981\u624b\u6bb5\u3002<\/p>\n

      \n
    • JUC ThreadLocal \u6e90\u7801\u884c\u7ea7\u89e3\u6790 JDK8<\/li>\n
    • \u542c\u8bf4\u4f60\u770b\u8fc7 ThreadLocal \u6e90\u7801\uff0c\u6765\u9762\u8bd5\u4e0b\u8fd9\u51e0\u4e2a\u95ee\u9898<\/li>\n<\/ul>\n

      AQS \uff08 AbstractQueuedSynchronizer \uff09\u5411\u4e0b\u4f9d\u8d56\u4e86 CAS \u548c\u81ea\u65cb\uff0c\u5411\u4e0a\u5219\u63d0\u4f9b\u4e86\u4e00\u4e2a\u540c\u6b65\u961f\u5217\u7684\u5b9e\u73b0\uff0c\u8bb8\u591a JUC \u6846\u67b6\u5185\u4e2d\u7684\u7c7b\u90fd\u76f4\u63a5\u4f7f\u7528\u4e86 AQS \u4f5c\u4e3a\u5185\u90e8\u7c7b\u3002\u4e0b\u9762\u51e0\u7bc7\u6587\u7ae0\u5c06\u4ece AQS \u63d0\u4f9b\u7684\u51e0\u79cd\u529f\u80fd\u8fdb\u884c\u6df1\u5ea6\u5206\u6790\u3002<\/p>\n

        \n
      • AQS \u6df1\u5165\u7406\u89e3\u7cfb\u5217\uff08\u4e00\uff09 \u72ec\u5360\u9501\u7684\u83b7\u53d6\u8fc7\u7a0b<\/li>\n
      • AQS \u6df1\u5165\u7406\u89e3\u7cfb\u5217\uff08\u4e8c\uff09 \u72ec\u5360\u9501\u7684\u91ca\u653e\u8fc7\u7a0b<\/li>\n
      • AQS \u6df1\u5165\u7406\u89e3\u7cfb\u5217\uff08\u4e09\uff09\u5171\u4eab\u9501\u7684\u83b7\u53d6\u4e0e\u91ca\u653e<\/li>\n
      • AQS \u6df1\u5165\u7406\u89e3\u7cfb\u5217\uff08\u56db\uff09 Condition \u63a5\u53e3\u7684\u5b9e\u73b0<\/li>\n<\/ul>\n

        AQS \u4e2d\u6709\u4e9b\u51fd\u6570\u7684\u5177\u4f53\u5b9e\u73b0\u7ec6\u8282\uff0c\u5e76\u4e0d\u662f\u5f88\u5bb9\u6613\u8ba9\u4eba\u7406\u89e3\uff0c\u8fd9\u4e9b\u5730\u65b9\u4e00\u822c\u90fd\u662f\u56e0\u4e3a\u8003\u8651\u4e86\u540c\u6b65\u961f\u5217\u53d8\u5316\u4e2d\u7684\u4e2d\u95f4\u72b6\u6001\u3002<\/p>\n

          \n
        • AQS \u6df1\u5165\u7406\u89e3 hasQueuedPredecessors \u6e90\u7801\u5206\u6790 JDK8<\/li>\n
        • AQS \u6df1\u5165\u7406\u89e3 setHeadAndPropagate \u6e90\u7801\u5206\u6790 JDK8<\/li>\n
        • AQS \u6df1\u5165\u7406\u89e3 doReleaseShared \u6e90\u7801\u5206\u6790 JDK8<\/li>\n
        • AQS \u6df1\u5165\u7406\u89e3 shouldParkAfterFailedAcquire \u6e90\u7801\u5206\u6790 \u72b6\u6001\u4e3a 0 \u6216 PROPAGATE \u7684\u60c5\u51b5\u5206\u6790<\/li>\n<\/ul>\n

          JUC \u6846\u67b6\u4e2d\u6709\u4e9b\u540c\u6b65\u6784\u4ef6\u4f9d\u8d56\u4e86 AQS \u4f5c\u4e3a\u5b9e\u73b0\u5e95\u5c42\uff0c\u6211\u4eec\u4e00\u822c\u4f7f\u7528\u5b83\u4eec\u6765\u505a\u5230\u591a\u7ebf\u7a0b\u4e4b\u95f4\u7684\u534f\u4f5c\u3002<\/p>\n

            \n
          • JUC \u6846\u67b6 CountDownLatch \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
          • JUC \u6846\u67b6 CyclicBarrier \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
          • JUC \u6846\u67b6 Semaphore \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
          • JUC \u6846\u67b6 ReentrantReadWriteLock \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
          • ReentrantReadWriteLock \u6df1\u5165\u7406\u89e3\u8bfb\u9501\u7684\u975e\u516c\u5e73\u5b9e\u73b0<\/li>\n<\/ul>\n

            JUC \u6846\u67b6\u4e2d\u4e5f\u63d0\u4f9b\u4e86\u5404\u79cd\u7528\u9014\u7684\u96c6\u5408\u7c7b\u3002<\/p>\n

              \n
            • JUC \u96c6\u5408\u7c7b CopyOnWriteArrayList \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
            • JUC \u96c6\u5408\u7c7b CopyOnWriteArraySet \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
            • JUC \u96c6\u5408\u7c7b ConcurrentSkipListMap \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
            • JUC \u96c6\u5408\u7c7b ConcurrentHashMap \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
            • JUC \u96c6\u5408\u7c7b ConcurrentLinkedQueue \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
            • JUC \u96c6\u5408\u7c7b ConcurrentLinkedDueue \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
            • JUC \u96c6\u5408\u7c7b ArrayBlockingQueue \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
            • JUC \u96c6\u5408\u7c7b LinkedBlockingQueue \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
            • JUC \u96c6\u5408\u7c7b LinkedBlockingDueue \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
            • JUC \u96c6\u5408\u7c7b PriorityBlockingQueue \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
            • JUC \u96c6\u5408\u7c7b DelayQueue \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
            • JUC \u96c6\u5408\u7c7b LinkedTransferQueue \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
            • JUC \u96c6\u5408\u7c7b SynchronousQueue \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n<\/ul>\n

              \u6700\u540e\u90e8\u5206\u5c06\u8bb2\u89e3\u7ebf\u7a0b\u6c60\u76f8\u5173\u6e90\u7801\u3002<\/p>\n

                \n
              • JUC \u6846\u67b6 \u4ece Runnable \u5230 Callable \u5230 FutureTask \u4f7f\u7528\u6d45\u6790<\/li>\n
              • JUC \u6846\u67b6 FutureTask \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
              • JUC \u6846\u67b6 CompletableFuture \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
              • JUC \u7ebf\u7a0b\u6c60 ThreadPoolExecutor \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n
              • JUC \u7ebf\u7a0b\u6c60 ScheduledThreadPoolExecutor \u6e90\u7801\u89e3\u6790 JDK8<\/li>\n<\/ul>\n

                PS\uff1a\u5982\u679c\u770b\u4e86\u89c9\u5f97\u771f\u6709\u5e2e\u52a9\uff0c\u53ef\u4ee5\u5e2e\u5fd9\u6295\u4e2a\u7968\u5417\uff0chttps:\/\/bss.csdn.net\/m\/topic\/blog_star2020\/detail?username=anlian523<\/p>\n<\/p><\/div>\n

                \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (6<\/span>) <\/div>\n
                <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
                  \n
                • \n
                  \n
                  \n
                  \u8cc7\u6df1\u5927\u4f6c : yaocai321 <\/span> <\/div>\n
                  <\/i> <\/span> <\/div>\n<\/p><\/div>\n
                  \u7ed9\u4f60\u4e00\u4e2a\u5927\u5927\u7684\u8d5e~ <\/div>\n<\/p><\/div>\n<\/li>\n
                • \n
                  \n
                  \n
                  \u8cc7\u6df1\u5927\u4f6c : sprit <\/span> <\/div>\n
                  <\/i> <\/span> <\/div>\n<\/p><\/div>\n
                  \u7231\u4e86\u7231\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
                • \n
                  \n
                  \n
                  \u8cc7\u6df1\u5927\u4f6c : zifangsky <\/span> <\/div>\n
                  <\/i> <\/span> <\/div>\n<\/p><\/div>\n
                  \u7b80\u5355\u770b\u4e86\u4e00\u7bc7\uff0c\u770b\u8d77\u6765\u5199\u5f97\u633a\u597d\u7684\uff0c\u540e\u7eed\u6709\u65f6\u95f4\u4f1a\u597d\u597d\u62dc\u8bfb\u4f60\u7684\u6587\u7ae0\u3002\u53e6\u5916\uff0c\u5df2\u7ecf\u7ed9\u4f60\u6295\u7968\u4e86\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
                • \n
                  \n
                  \n
                  \u8cc7\u6df1\u5927\u4f6c : zyfsuzy <\/span> <\/div>\n
                  <\/i> <\/span> <\/div>\n<\/p><\/div>\n
                  \u53ef\u4ee5 <\/div>\n<\/p><\/div>\n<\/li>\n
                • \n
                  \n
                  \n
                  \u8cc7\u6df1\u5927\u4f6c : yamasa <\/span> <\/div>\n
                  <\/i> <\/span> <\/div>\n<\/p><\/div>\n
                  \u652f\u6301\u652f\u6301 <\/div>\n<\/p><\/div>\n<\/li>\n
                • \n
                  \n
                  \n
                  \u8cc7\u6df1\u5927\u4f6c : fangcan <\/span> <\/div>\n
                  <\/i> <\/span> <\/div>\n<\/p><\/div>\n
                  \u8fd8\u6ca1\u5177\u4f53\u770b\u5185\u5bb9\uff0c\u770b\u5e16\u5b50\u611f\u89c9\u4e0d\u9519 \u652f\u6301 <\/div>\n<\/p><\/div>\n<\/li>\n
                • \n","protected":false},"excerpt":{"rendered":"

                  \u5199\u4e86\u4e00\u4e2a\u7cfb\u5217\u7684\u6587\u7ae0–J…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/277962"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=277962"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/277962\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=277962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=277962"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=277962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}