{"id":12907,"date":"2025-11-09T17:46:30","date_gmt":"2025-11-09T09:46:30","guid":{"rendered":"https:\/\/www.chenqing.work\/?p=12907"},"modified":"2025-11-09T17:59:25","modified_gmt":"2025-11-09T09:59:25","slug":"%e8%af%91-jep-425-%e8%99%9a%e6%8b%9f%e7%ba%bf%e7%a8%8b%ef%bc%88%e9%a2%84%e8%a7%88%ef%bc%89%e4%b8%ad","status":"publish","type":"post","link":"https:\/\/www.chenqing.work\/?p=12907","title":{"rendered":"\u8bd1 | JEP 425: \u865a\u62df\u7ebf\u7a0b\uff08\u9884\u89c8\uff09\u4e2d"},"content":{"rendered":"\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/openjdk.org\/jeps\/425\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/425\">JEP 425: Virtual Threads (Preview\uff09<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/openjdk.org\/jeps\/436\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/436\">JEP 436: Virtual Threads (Second Preview)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/openjdk.org\/jeps\/444\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/444\">JEP 444: Virtual Threads<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u5fd2\u957f\uff0c\u4f60\u8981\u770b\u5f97\u4e0b\u53bb\u5c31\u7ee7\u7eed\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.chenqing.work\/?p=12654\" data-type=\"link\" data-id=\"https:\/\/www.chenqing.work\/?p=12654\">\u8bd1 | JEP 425: \u865a\u62df\u7ebf\u7a0b\uff08\u9884\u89c8\uff09\u4e0a<\/a><\/li>\n\n\n\n<li>\u8bd1 | JEP 425: \u865a\u62df\u7ebf\u7a0b\uff08\u9884\u89c8\uff09\u4e2d \ud83c\udfaf<\/li>\n\n\n\n<li>\u8bd1 | JEP 425: \u865a\u62df\u7ebf\u7a0b\uff08\u9884\u89c8\uff09\u4e0b <\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p><strong><em>\u6267\u884c\u865a\u62df\u7ebf\u7a0b<\/em><\/strong><\/p>\n\n\n\n<p>\u8981\u7528\u4e0a\u865a\u62df\u7ebf\u7a0b\uff0c\u4e0d\u5fc5\u91cd\u5199\u73b0\u6709\u4ee3\u7801\u3002\u865a\u62df\u7ebf\u7a0b\u4e0d\u8981\u6c42\u6216\u8005\u4e0d\u671f\u5f85\u5e94\u7528\u4ee3\u7801\u663e\u5f0f\u5c06\u63a7\u5236\u4ea4\u7ed9\u8c03\u5ea6\u5668\uff1b\u6362\u53e5\u8bdd\u8bf4\uff0c\u865a\u62df\u7ebf\u7a0b\u4e0d\u662f\u534f\u4f5c\u5f0f\u7684\u3002\u7528\u6237\u4ee3\u7801\u4e0d\u5f97\u518d\u5047\u8bbe\u865a\u62df\u7ebf\u7a0b\u662f\u5982\u4f55\u6216\u4ec0\u4e48\u65f6\u5019\u88ab\u5206\u6d3e\u7ed9\u5e73\u53f0\u7ebf\u7a0b\uff0c\u8d85\u8fc7\u5bf9\u5e73\u53f0\u7ebf\u7a0b\u662f\u5982\u4f55\u6216\u4ec0\u4e48\u65f6\u5019\u5206\u6d3e\u7ed9\u5904\u7406\u6838\u5fc3\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u5728\u865a\u62df\u7ebf\u7a0b\u91cc\u8fd0\u884c\u4ee3\u7801\uff0cJDK \u7684\u865a\u62df\u7ebf\u7a0b\u8c03\u5ea6\u5668\u901a\u8fc7\u5c06\u865a\u62df\u7ebf\u7a0b\u6302\u8f7d\u5230\u5e73\u53f0\u7ebf\u7a0b\u6765\u5b9e\u73b0\u5c06\u865a\u62df\u7ebf\u7a0b\u5206\u914d\u5230\u5e73\u53f0\u7ebf\u7a0b\u6267\u884c\u7684\u76ee\u7684\u3002\u8fd9\u6837\u5c06\u5e73\u53f0\u7ebf\u7a0b\u53d8\u6210\u865a\u62df\u7ebf\u7a0b\u7684\u8f7d\u4f53\u3002\u63a5\u7740\uff0c\u8fd0\u884c\u5b8c\u4e00\u6bb5\u4ee3\u7801\u540e\uff0c\u865a\u62df\u7ebf\u7a0b\u53ef\u4ee5\u4ece\u8f7d\u4f53\u89e3\u6302\u8f7d\u3002\u5e73\u53f0\u7ebf\u7a0b\u91cd\u83b7\u81ea\u7531\u540e\uff0c\u8c03\u5ea6\u5668\u53c8\u53ef\u4ee5\u5c06\u5176\u4ed6\u865a\u62df\u7ebf\u7a0b\u6302\u8f7d\u7ed9\u5b83\uff0c\u4ece\u800c\u53c8\u79f0\u4e3a\u8f7d\u4f53\u3002<\/p>\n\n\n\n<p>\u901a\u5e38\uff0c\u5f53\u88ab I\/O \u963b\u585e\u6216\u8005\u8fdb\u884c JDK \u91cc\u7684\u4e00\u4e9b\u5176\u4ed6\u963b\u585e\u64cd\u4f5c\u65f6 \u2014\u2014 \u5982 BlockingQueue.take() \uff0c\u4f1a\u88ab\u89e3\u6302\u8f7d\u3002\u5f53\u963b\u585e\u64cd\u4f5c\u5373\u5c06\u5b8c\u6210\u65f6\uff08\u5982\u4ece\u5957\u63a5\u5b57\u63a5\u6536\u5b8c\u6240\u6709\u7684\u5b57\u8282\uff09\uff0c\u865a\u62df\u7ebf\u7a0b\u5c31\u88ab\u91cd\u65b0\u63d0\u4ea4\u7ed9\u8c03\u5ea6\u5668\uff0c\u7531\u8c03\u5ea6\u5668\u5c06\u5176\u6302\u8f7d\u5230\u4e00\u4e2a\u8f7d\u4f53\u7ee7\u7eed\u6267\u884c\u3002<\/p>\n\n\n\n<p>\u865a\u62df\u7ebf\u7a0b\u7684\u6302\u8f7d\u548c\u89e3\u6302\u8f7d\u53d1\u751f\u5f97\u9891\u7e41\u800c\u4e14\u900f\u660e\uff0c\u4e0d\u963b\u585e\u4efb\u4f55\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u3002\u4f8b\u5982\uff0c\u524d\u9762\u5c55\u793a\u7684\u670d\u52a1\u5e94\u7528\u4ee3\u7801\uff0c\u5305\u542b\u5982\u4e0b\u963b\u585e\u8c03\u7528\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: java; title: ; notranslate\" title=\"\">\nresponse.send(future1.get() + future2.get());\n<\/pre><\/div>\n\n\n<p>\u8fd9\u4e9b\u64cd\u4f5c\u5c06\u5f15\u53d1\u865a\u62df\u7ebf\u7a0b\u7684\u591a\u6b21\u6302\u8f7d\u548c\u89e3\u6302\u8f7d\uff0c\u901a\u5e38\u8c03\u7528 get() \u4f1a\u5f15\u53d1\u4e00\u6b21\uff0c\u5728 send(&#8230;) \u4e2d\u6267\u884c I\/O \u53ef\u80fd\u4f1a\u5f15\u53d1\u591a\u6b21\u3002<\/p>\n\n\n\n<p>JDK \u91cc\u7684\u5927\u91cf\u963b\u585e\u64cd\u4f5c\u5c06\u89e3\u6302\u8f7d\u865a\u62df\u7ebf\u7a0b\uff0c\u91ca\u653e\u8f7d\u4f53\u548c\u5e95\u5c42\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u53bb\u5904\u7406\u65b0\u7684\u4efb\u52a1\u3002\u4f46\u662f\uff0cJDK \u91cc\u7684\u4e00\u4e9b\u963b\u585e\u64cd\u4f5c\u4e0d\u4f1a\u89e3\u6302\u8f7d\u865a\u62df\u7ebf\u7a0b\uff0c\u8fd9\u6837\u5c31\u4f1a\u963b\u585e\u8f7d\u4f53\u548c\u5e95\u5c42\u7684\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u3002\u8fd9\u662f\u7531\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u5c42\uff08\u5982 \u8bb8\u591a\u6587\u4ef6\u7cfb\u7edf\u64cd\u4f5c\uff09\u6216\u8005 JDK \u5c42\uff08\u5982 Object.wait()\uff09\u7684\u9650\u5236\u3002\u8fd9\u4e9b\u963b\u585e\u64cd\u4f5c\u5c06\u901a\u8fc7\u4e34\u65f6\u6269\u5c55\u8c03\u5ea6\u5668\u7684\u5e76\u53d1\u6027\u6765\u5f25\u8865\u5bf9\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u7684\u5360\u7528\u3002\u7ed3\u679c\u5c31\u662f\uff0c\u8c03\u5ea6\u5668\u7684 ForkJoinPool \u4e2d\u7684\u5e73\u53f0\u7ebf\u7a0b\u53ef\u80fd\u77ed\u6682\u8d85\u8fc7\u53ef\u7528\u5904\u7406\u5668\u7684\u6570\u91cf\u3002\u8c03\u5ea6\u5668\u652f\u6301\u7684\u6700\u5927\u5e73\u53f0\u7ebf\u7a0b\u6570\u91cf\u53ef\u4ee5\u901a\u8fc7\u7cfb\u7edf\u5c5e\u6027 jdk.virtualThreadScheduler.maxPoolSize \u8c03\u4f18\u3002<\/p>\n\n\n\n<p>\u6709\u4e24\u79cd\u60c5\u51b5\u4e0b\uff0c\u6267\u884c\u963b\u585e\u64cd\u4f5c\u7684\u865a\u62df\u7ebf\u7a0b\u4e0d\u80fd\u88ab\u5378\u8f7d\uff0c\u56e0\u4e3a\u548c\u8f7d\u4f53\u56fa\u5b9a\u5728\u4e00\u8d77\u4e86\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5f53\u5728\u540c\u6b65\u5757\u6216\u65b9\u6cd5\u4e2d\u6267\u884c\u4ee3\u7801\u65f6\uff0c\u6216<\/li>\n\n\n\n<li>\u5f53\u6267\u884c\u672c\u5730\u65b9\u6cd5\u6216<a href=\"https:\/\/openjdk.org\/jeps\/424\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/424\">\u5916\u90e8\u529f\u80fd<\/a>\u65f6\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u88ab\u56fa\u5b9a\u4f4f\u4e0d\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u9519\u8bef\uff0c\u4f46\u4f1a\u635f\u5bb3\u6269\u5c55\u6027\u3002\u5982\u679c\u4e00\u4e2a\u865a\u62df\u7ebf\u7a0b\u5728\u56fa\u5b9a\u6a21\u5f0f\u4e0b\u6267\u884c\u4e86\u4e00\u4e2a\u963b\u585e\u64cd\u4f5c\uff0c\u5982 I\/O \u6216 BlockingQueue.take()\uff0c\u90a3\u4e48\u5728\u8fd9\u4e2a\u64cd\u4f5c\u671f\u95f4\uff0c\u5b83\u7684\u8f7d\u4f53\u53ca\u5e95\u5c42\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u90fd\u4f1a\u88ab\u963b\u585e\u3002\u9891\u7e41\u957f\u65f6\u95f4\u56fa\u5b9a\uff0c\u5360\u7528\u8f7d\u4f53\uff0c\u4f1a\u635f\u5bb3\u5e94\u7528\u7684\u6269\u5c55\u6027\u3002<\/p>\n\n\n\n<p>\u8c03\u5ea6\u5668\u4e0d\u4f1a\u901a\u8fc7\u6269\u5c55\u5e76\u884c\u5ea6\u6765\u8865\u507f\u7ebf\u7a0b\u56fa\u5b9a\u3002\u53d6\u800c\u4ee3\u4e4b\u7684\u662f\uff0c\u901a\u8fc7\u4fee\u6539\u9891\u7e41\u8fd0\u884c\u7684\u540c\u6b65\u5757\u6216\u540c\u6b65\u65b9\u6cd5\uff0c\u907f\u514d\u9891\u7e41\u548c\u957f\u65f6\u95f4\u7684\u7ebf\u7a0b\u56fa\u5b9a\uff0c\u7ba1\u63a7\u6f5c\u5728\u957f\u65f6 I\/O \u64cd\u4f5c\u4f7f\u7528 java.util.concurrent.locks.ReentrantLock\u3002\u6ca1\u6709\u5fc5\u8981\u66ff\u6362\u4e0d\u9891\u7e41\u7528\u5230\u7684\u540c\u6b65\u5757\u548c\u540c\u6b65\u65b9\u6cd5\uff08\u5982\u53ea\u5728\u542f\u52a8\u65f6\u7528\u5230\uff09\u6216\u8005\u7ba1\u63a7\u5185\u5b58\u64cd\u4f5c\u3002\u5e94\u4e00\u5982\u65e2\u5f80\uff0c\u8ffd\u6c42\u9501\u7b56\u7565\u7684\u7b80\u6d01\u3002<\/p>\n\n\n\n<p>\u5728\u8fc1\u79fb\u4ee3\u7801\u5230\u865a\u62df\u7ebf\u7a0b\u548c\u8bc4\u4f30\u662f\u5426\u5e94\u8be5\u4f7f\u7528 java.util.concurrent \u9501\u66ff\u6362\u5bf9\u540c\u6b65\u5757\u7684\u7279\u6b8a\u4f7f\u7528\u65f6\uff0c\u65b0\u7684\u8bca\u65ad\u52a9\u624b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53\u56fa\u5b9a\u7ebf\u7a0b\u88ab\u963b\u585e\u65f6\uff0c\u4f1a\u53d1\u51fa\u4e00\u4e2a JDK \u98de\u884c\u8bb0\u5f55\u65f6\u95f4\uff08\u89c1 <a href=\"https:\/\/openjdk.org\/jeps\/425#JDK-Flight-Recorder-JFR\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/425#JDK-Flight-Recorder-JFR\">JDK Flight Recorder<\/a>\uff09\u3002<\/li>\n\n\n\n<li>\u5f53\u56fa\u5b9a\u7ebf\u7a0b\u88ab\u963b\u585e\u65f6\uff0c\u7cfb\u7edf\u5c5e\u6027 jdk.tracePinnedThreads \u4f1a\u89e6\u53d1\u4e00\u4e2a\u5806\u6808\u3002-Djdk.tracePinnedThreads=full \u4f1a\u6253\u5370\u5b8c\u6574\u7684\u5806\u6808\uff0c\u5305\u542b\u672c\u5730\u5e27\uff0c\u9ad8\u4eae\u672c\u5730\u5e27\u6301\u6709\u7684\u76d1\u89c6\u5668\u3002-Djdk.tracePinnedThreads=short \u53ea\u4f1a\u8f93\u51fa\u95ee\u9898\u5e27\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u672a\u6765\u7248\u672c\u91cc\uff0c\u5c06\u79fb\u9664\u7b2c\u4e00\u4e2a\u9650\u5236\uff08\u540c\u6b65\u4e2d\u7684\u7ebf\u7a0b\u56fa\u5b9a\uff09\u3002\u7b2c\u4e8c\u4e2a\u9650\u5236\u9700\u8981\u548c\u672c\u5730\u4ee3\u7801\u66f4\u59a5\u5584\u7684\u4ea4\u4e92\u3002<\/p>\n\n\n\n<p><em><strong>\u5185\u5b58\u4f7f\u7528\u548c GC \u4ea4\u4e92<\/strong><\/em><\/p>\n\n\n\n<p>\u865a\u62df\u7ebf\u7a0b\u7684\u6808\u4ee5\u6808\u5757\u5bf9\u8c61\u7684\u5f62\u5f0f\uff0c\u88ab\u5b58\u50a8\u5728 Java \u5783\u573e\u6536\u96c6\u5806\u4e2d\u3002\u7a0b\u5e8f\u8fd0\u884c\u671f\u95f4\uff0c\u6808\u4f1a\u4f38\u7f29\uff0c\u65e2\u4fdd\u969c\u4e86\u5185\u5b58\u9ad8\u6548\uff0c\u4e5f\u517c\u987e\u4e86\u5bb9\u7eb3\u4efb\u610f\u6df1\u5ea6\u7684\u6808\uff08\u76f4\u5230 JVM \u914d\u7f6e\u7684\u5e73\u53f0\u7ebf\u7a0b\u6808\u4e0a\u9650\uff09\u3002\u8fd9\u4e2a\u6709\u6548\u6027\u652f\u6491\u4e86\u5927\u91cf\u7684\u865a\u62df\u7ebf\u7a0b\uff0c\u548c\u670d\u52a1\u7aef\u4e00\u8bf7\u6c42\u4e00\u7ebf\u7a0b\u6a21\u5f0f\u7684\u53ef\u6301\u7eed\u6027\u3002<\/p>\n\n\n\n<p>\u5728\u4e0a\u6587\u7684<a href=\"https:\/\/openjdk.org\/jeps\/425#Using-virtual-threads-Example-2\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/425#Using-virtual-threads-Example-2\">\u7b2c 2 \u4e2a\u4f8b\u5b50<\/a>\u91cc\uff0c\u8bf7\u56de\u5fc6\u4e00\u4e0b\uff0c\u5047\u8bbe\u4e86\u4e00\u4e2a\u6846\u67b6\uff0c\u4f1a\u4e3a\u6bcf\u4e2a\u8bf7\u6c42\u521b\u5efa\u4e00\u4e2a\u865a\u62df\u7ebf\u7a0b\uff0c\u5728\u865a\u62df\u7ebf\u7a0b\u4e2d\u8c03\u7528\u5904\u7406\u65b9\u6cd5\uff1b\u5373\u4f7f\u5728\u5f88\u6df1\u7684\u8c03\u7528\u6808\u5e95\u90e8\u8c03\u7528\u5904\u7406\u65b9\u6cd5\uff08\u7ecf\u8fc7\u8ba4\u8bc1\u3001\u4e8b\u52a1\u7b49\uff09\uff0c\u5904\u7406\u65b9\u6cd5\u672c\u8eab\u4e5f\u4f1a\u6d3e\u751f\u591a\u4e2a\u865a\u62df\u7ebf\u7a0b\uff0c\u6bcf\u4e2a\u865a\u62df\u7ebf\u7a0b\u6267\u884c\u4e00\u4e2a\u5f88\u77ed\u7684\u4efb\u52a1\u3002\u56e0\u6b64\uff0c\u6bcf\u4e2a\u8c03\u7528\u6808\u5f88\u6df1\u7684\u865a\u62df\u7ebf\u7a0b\uff0c\u90fd\u6709\u591a\u4e2a\u5185\u5b58\u5360\u7528\u5c0f\u3001\u8c03\u7528\u6808\u5f88\u6d45\u7684\u7ebf\u7a0b\u3002<\/p>\n\n\n\n<p>\u865a\u62df\u7ebf\u7a0b\u9700\u8981\u7684\u5806\u7a7a\u95f4\u548c\u5783\u573e\u6536\u96c6\u5668\u6d3b\u52a8\u7684\u89c4\u6a21\uff0c\u901a\u5e38\u6765\u8bf4\uff0c\u5f88\u96be\u548c\u5f02\u6b65\u4ee3\u7801\u9700\u8981\u7684\u76f8\u6bd4\u3002\u767e\u4e07\u865a\u62df\u7ebf\u7a0b\u81f3\u5c11\u9700\u8981\u767e\u4e07\u5bf9\u8c61\uff0c\u4f46\u767e\u4e07\u4efb\u52a1\u4e5f\u662f\u5171\u4eab\u4e00\u4e2a\u5e73\u53f0\u7ebf\u7a0b\u6c60\u3002\u53e6\u5916\uff0c\u5904\u7406\u8bf7\u6c42\u7684\u4ee3\u7801\u901a\u5e38\u901a\u8fc7 I\/O \u64cd\u4f5c\u4fdd\u5b58\u6570\u636e\u3002\u4e00\u8bf7\u6c42\u4e00\u7ebf\u7a0b\u4ee3\u7801\u53ef\u4ee5\u628a\u6570\u636e\u4fdd\u5b58\u5728\u672c\u5730\u53d8\u91cf\u4e2d\uff0c\u672c\u5730\u53d8\u91cf\u88ab\u4fdd\u5b58\u5728\u5806\u4e2d\u7684\u865a\u62df\u7ebf\u7a0b\u6808\u91cc\uff0c\u4f46\u5f02\u6b65\u4ee3\u7801\u5fc5\u987b\u628a\u76f8\u540c\u7684\u6570\u636e\u4fdd\u5b58\u5728\u5806\u5bf9\u8c61\u4e2d\uff0c\u8fd9\u6837\u624d\u53ef\u4ee5\u4ece\u7ba1\u9053\u7684\u4e00\u4e2a\u9636\u6bb5\u4f20\u9012\u7ed9\u4e0b\u4e00\u4e2a\u9636\u6bb5\u3002\u4e00\u65b9\u9762\uff0c\u865a\u62df\u7ebf\u7a0b\u9700\u8981\u7684\u6808\u5e27\u7ed3\u6784\u6bd4\u7d27\u51d1\u5bf9\u8c61\u66f4\u8017\u8d39\u5185\u5b58\uff1b\u53e6\u4e00\u65b9\u9762\uff0c\u8bb8\u591a\u60c5\u51b5\u4e0b\uff0c\u865a\u62df\u7ebf\u7a0b\u53ef\u4ee5\u53d8\u5f02\u5e76\u91cd\u7528\u5176\u6808\uff08\u53d6\u51b3\u4e8e\u5e95\u5c42\u7684 GC \u4ea4\u4e92\uff09\uff0c\u4f46\u5f02\u6b65\u7ba1\u9053\u603b\u662f\u9700\u8981\u5206\u914d\u65b0\u5bf9\u8c61\uff0c\u6240\u4ee5\u865a\u62df\u7ebf\u7a0b\u8bf7\u6c42\u5206\u914d\u7684\u60c5\u51b5\u66f4\u5c11\u3002\u603b\u7684\u6765\u8bf4\uff0c\u4e00\u8bf7\u6c42\u4e00\u7ebf\u7a0b\u5bf9\u6bd4\u5f02\u6b65\u4ee3\u7801\uff0c\u5806\u6d88\u8017\u548c\u5783\u573e\u6536\u96c6\u6d3b\u52a8\u5dee\u4e0d\u591a\u3002\u5047\u4ee5\u65f6\u65e5\uff0c\u6211\u4eec\u671f\u671b\u8ba9\u865a\u62df\u7ebf\u7a0b\u6808\u7684\u5185\u90e8\u8868\u793a\u660e\u663e\u53d8\u5f97\u66f4\u7d27\u51d1\u3002<\/p>\n\n\n\n<p>\u4e0d\u540c\u4e8e\u5e73\u53f0\u7ebf\u7a0b\u6808\uff0c\u865a\u62df\u7ebf\u7a0b\u6808\u4e0d\u662f GC \u7684\u6839\u8282\u70b9\uff0c\u6240\u4ee5\u5b83\u5305\u542b\u7684\u5f15\u7528\u4e0d\u4f1a\u5728\u5783\u573e\u6536\u96c6\u5668\uff08\u5982 G1\uff09\u6267\u884c\u5e76\u53d1\u5806\u626b\u63cf\u7684\u4e00\u6b21\u4e16\u754c\u6682\u505c\u4e2d\u88ab\u904d\u5386\u5230\u3002\u8fd9\u540c\u6837\u610f\u5473\u7740\u5982\u679c\u865a\u62df\u7ebf\u7a0b\u88ab\u963b\u585e\uff0c\u5982 BlockingQueue.take()\uff0c\u4e14\u5176\u4ed6\u7ebf\u7a0b\u4e0d\u6301\u6709\u865a\u62df\u7ebf\u7a0b\u6216\u8005\u961f\u5217\u7684\u5f15\u7528\uff0c\u865a\u62df\u7ebf\u7a0b\u5c31\u4f1a\u88ab\u5783\u573e\u56de\u6536\u6389 \u2014\u2014 \u8fd9\u6ca1\u5173\u7cfb\uff0c\u56e0\u4e3a\u865a\u62df\u7ebf\u7a0b\u6c38\u8fdc\u4e0d\u4f1a\u88ab\u4e2d\u65ad\u6216\u89e3\u9664\u963b\u585e\u3002\u5f53\u7136\uff0c\u865a\u62df\u7ebf\u7a0b\u5904\u4e8e\u8fd0\u884c\u72b6\u6001\u6216\u6709\u671b\u6062\u590d\u7684\u963b\u585e\u72b6\u6001\u65f6\uff0c\u4e0d\u4f1a\u88ab\u5783\u573e\u56de\u6536\u3002<\/p>\n\n\n\n<p>\u865a\u62df\u7ebf\u7a0b\u5f53\u524d\u7684\u4e00\u4e2a\u5c40\u9650\u662f G1 GC \u4e0d\u652f\u6301<a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/gctuning\/garbage-first-g1-garbage-collector1.html#GUID-D74F3CC7-CC9F-45B5-B03D-510AEEAC2DAC\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/gctuning\/garbage-first-g1-garbage-collector1.html#GUID-D74F3CC7-CC9F-45B5-B03D-510AEEAC2DAC\">\u5de8\u578b<\/a>\u6808\u5757\u5bf9\u8c61\u3002\u5f53\u4e00\u4e2a\u865a\u62df\u7ebf\u7a0b\u6808\u589e\u957f\u5230\u533a\u5927\u5c0f\u7684\u4e00\u534a\uff0c\u5c0f\u5230 512KB\uff0c\u5c31\u4f1a\u89e6\u53d1\u4e00\u4e2a StackOverflowError \u9519\u8bef\u3002<\/p>\n\n\n\n<p><strong><em>\u53d8\u66f4\u660e\u7ec6<\/em><\/strong><\/p>\n\n\n\n<p>\u4e0b\u8ff0\u6761\u76ee\u8be6\u7ec6\u63cf\u8ff0\u4e86\u6211\u4eec\u63d0\u51fa\u7684\u6d89\u53ca Java \u5e73\u53f0\u53ca\u5176\u5b9e\u73b0\u7684\u53d8\u66f4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/openjdk.org\/jeps\/425#java-lang-Thread\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/425#java-lang-Thread\">java.lang.Thread<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/openjdk.org\/jeps\/425#Thread-local-variables\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/425#Thread-local-variables\">Thread-local variables<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/openjdk.org\/jeps\/425#java-util-concurrent\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/425#java-util-concurrent\">java.util.concurrent<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/openjdk.org\/jeps\/425#Networking\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/425#Networking\">Networking<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/openjdk.org\/jeps\/425#java-io\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/425#java-io\">java.io<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/openjdk.org\/jeps\/425#Java-Native-Interface-JNI\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/425#Java-Native-Interface-JNI\">java Native Interface (JNI)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/openjdk.org\/jeps\/425#Debugging\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/425#Debugging\">Debugging (JVM TI, JDWP, and JDI)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/openjdk.org\/jeps\/425#JDK-Flight-Recorder-JFR\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/425#JDK-Flight-Recorder-JFR\">JDK Flight Recorder (JFR)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/openjdk.org\/jeps\/425#Java-Management-Extensions-JMX\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/425#Java-Management-Extensions-JMX\">Java Management Extensions (JMX)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/openjdk.org\/jeps\/425#java-lang-ThreadGroup\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/425#java-lang-ThreadGroup\">java.lang.ThreadGroup<\/a><\/li>\n<\/ul>\n\n\n\n<p><strong><em>java.lang.Thread<\/em><\/strong><\/p>\n\n\n\n<p>\u6211\u4eec\u66f4\u65b0\u4e86 <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html\">java.lang.Thread<\/a> API\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.Builder.html\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.Builder.html\">Thread.Builder<\/a>\uff0c<a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#ofVirtual()\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#ofVirtual()\">Thread.ofVirtual()<\/a>\uff0c\u548c <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#ofPlatform()\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#ofPlatform()\">Thread.ofPlatform()<\/a> \u90fd\u662f\u65b0\u7684\u521b\u5efa\u865a\u62df\u7ebf\u7a0b\u548c\u5e73\u53f0\u7ebf\u7a0b\u7684 API\u3002\u5982 Thread thread = Thread.ofVirtual().name(&#8220;duke&#8221;).unstarted(runnable); \u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a duke \u7684\u672a\u542f\u52a8\u865a\u62df\u7ebf\u7a0b\u3002<\/li>\n\n\n\n<li><a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#startVirtualThread(java.lang.Runnable)\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#startVirtualThread(java.lang.Runnable)\">Thread.startVirtualThread(Runnable)<\/a> \u662f\u4e00\u79cd\u521b\u5efa\u5e76\u6267\u884c\u865a\u62df\u7ebf\u7a0b\u7684\u4fbf\u5229\u65b9\u5f0f\u3002<\/li>\n\n\n\n<li>Thread.Builder \u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u6216 <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/util\/concurrent\/ThreadFactory.html\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/util\/concurrent\/ThreadFactory.html\">ThreadFactory<\/a>\uff0c\u7ebf\u7a0b\u5de5\u5382\u80fd\u7528\u4e00\u5957\u5c5e\u6027\u521b\u5efa\u591a\u4e2a\u7ebf\u7a0b\u3002<\/li>\n\n\n\n<li><a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#isVirtual()\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#isVirtual()\">Thread.isVirtual()<\/a> \u7528\u6765\u68c0\u6d4b\u4e00\u4e2a\u7ebf\u7a0b\u662f\u5426\u865a\u62df\u7ebf\u7a0b\u3002<\/li>\n\n\n\n<li><a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#join(java.time.Duration)\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#join(java.time.Duration)\">Thread.join<\/a> \u548c <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#sleep(java.time.Duration)\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#sleep(java.time.Duration)\">Thread.sleep<\/a> \u7684\u65b0\u91cd\u8f7d\u65b9\u6cd5\uff0c\u63a5\u6536 <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/time\/Duration.html\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/time\/Duration.html\">java.time.Duration<\/a> \u5b9e\u4f8b\u6765\u8868\u793a\u7b49\u5f85\u6216\u7761\u7720\u65f6\u95f4\u3002<\/li>\n\n\n\n<li>\u65b0\u7684 final \u65b9\u6cd5 <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#threadId()\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#threadId()\">Thread.threadId()<\/a> \u8fd4\u56de\u7ebf\u7a0b\u6807\u8bc6\u3002\u73b0\u6709\u7684\u975e final \u65b9\u6cd5 <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#getId()\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#getId()\">Thread.getId()<\/a> \u73b0\u88ab\u5e9f\u5f03\u3002<\/li>\n\n\n\n<li><a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#getAllStackTraces()\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#getAllStackTraces()\">Thread.getAllStackTraces()<\/a> \u73b0\u5728\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u6240\u6709\u5e73\u53f0\u7ebf\u7a0b\u7684 map\uff0c\u800c\u975e\u6240\u6709\u7ebf\u7a0b\u3002<\/li>\n<\/ul>\n\n\n\n<p>java.lang.Thread API \u7684\u5176\u4ed6\u5185\u5bb9\u4fdd\u6301\u4e0d\u53d8\u3002Thread \u7c7b\u4e2d\u7684\u6784\u9020\u65b9\u6cd5\u8fd8\u548c\u4e4b\u524d\u4e00\u6837\u521b\u5efa\u51fa\u5e73\u53f0\u7ebf\u7a0b\u3002\u6ca1\u6709\u65b0\u589e\u516c\u5171\u6784\u9020\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p>\u865a\u62df\u7ebf\u7a0b\u548c\u5e73\u53f0\u7ebf\u7a0b\u4e3b\u8981\u7684 API \u5dee\u5f02\u5728\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u516c\u5171\u6784\u9020\u65b9\u6cd5\u4e0d\u80fd\u51fa\u521b\u5efa\u865a\u62df\u7ebf\u7a0b\u3002<\/li>\n\n\n\n<li>\u865a\u62df\u7ebf\u7a0b\u59cb\u7ec8\u662f\u5b88\u62a4\u7ebf\u7a0b\u3002<a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#setDaemon(boolean)\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#setDaemon(boolean)\">Thread.setDaemon(boolean)<\/a> \u4e0d\u80fd\u628a\u865a\u62df\u7ebf\u7a0b\u53d8\u4e3a\u975e\u5b88\u62a4\u7ebf\u7a0b\u3002<\/li>\n\n\n\n<li>\u865a\u62df\u7ebf\u7a0b\u6709\u4e00\u4e2a\u56fa\u5b9a\u4f18\u5148\u7ea7 <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#NORM_PRIORITY\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#NORM_PRIORITY\">Thread.NORM_PRIORITY<\/a>\u3002<a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#setPriority(int)\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#setPriority(int)\">Thread.setPriority(int)<\/a> \u5bf9\u865a\u62df\u7ebf\u7a0b\u65e0\u6548\u3002\u8fd9\u4e2a\u9650\u5236\u5c06\u5728\u672a\u6765\u7248\u672c\u4e2d\u56de\u987e\u3002<\/li>\n\n\n\n<li>\u865a\u62df\u7ebf\u7a0b\u4e0d\u662f\u7ebf\u7a0b\u7ec4\u7684\u53ef\u7528\u6210\u5458\u3002\u5f53\u8c03\u7528\u4e00\u4e2a\u865a\u62df\u7ebf\u7a0b\uff0c<a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#getThreadGroup()\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#getThreadGroup()\">Thread.getThreadGroup()<\/a> \u5c06\u8fd4\u56de\u4e00\u4e2a \u201cVirtualThreads\u201d \u7684\u5360\u4f4d\u7b26\u3002Thread.Builder API \u4e0d\u4f1a\u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5\u7528\u6765\u8bbe\u7f6e\u865a\u62df\u7ebf\u7a0b\u7684\u7ebf\u7a0b\u7ec4\u3002<\/li>\n\n\n\n<li>\u5f53\u5728 SecurityManager \u73af\u5883\u4e0b\u8fd0\u884c\u65f6\uff0c\u865a\u62df\u7ebf\u7a0b\u6ca1\u6709\u4efb\u4f55\u6743\u9650\u3002<\/li>\n\n\n\n<li>\u865a\u62df\u7ebf\u7a0b\u4e0d\u652f\u6301 <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#stop()\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#stop()\">stop()<\/a>\uff0c<a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#suspend()\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#suspend()\">suspend()<\/a>\uff0c\u6216\u8005 <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#resume()\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#resume()\">resume()<\/a> \u65b9\u6cd5\u3002\u5728\u865a\u62df\u7ebf\u7a0b\u4e2d\u8c03\u7528\u8fd9\u4e9b\u65b9\u6cd5\u5c06\u629b\u51fa\u5f02\u5e38\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong><em>Thread-local \u53d8\u91cf<\/em><\/strong><\/p>\n\n\n\n<p>\u865a\u62df\u7ebf\u7a0b\u652f\u6301\u7ebf\u7a0b\u672c\u5730\u53d8\u91cf\uff08<a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/docs\/api\/java.base\/java\/lang\/ThreadLocal.html\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/docs\/api\/java.base\/java\/lang\/ThreadLocal.html\">ThreadLocal<\/a>\uff09\u548c\u53ef\u7ee7\u627f\u7684\u7ebf\u7a0b\u672c\u5730\u53d8\u91cf\uff08<a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/docs\/api\/java.base\/java\/lang\/InheritableThreadLocal.html\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/docs\/api\/java.base\/java\/lang\/InheritableThreadLocal.html\">InheritableThreadLocal<\/a>\uff09\uff0c\u548c\u5e73\u53f0\u7ebf\u7a0b\u4e00\u6837\uff0c\u6240\u4ee5\u53ef\u4ee5\u517c\u5bb9\u73b0\u6709\u4f7f\u7528\u4e86\u7ebf\u7a0b\u672c\u5730\u53d8\u91cf\u7684\u4ee3\u7801\u3002\u7531\u4e8e\u865a\u62df\u7ebf\u7a0b\u53ef\u80fd\u975e\u5e38\u591a\uff0c\u5bf9\u7ebf\u7a0b\u672c\u5730\u53d8\u91cf\u7684\u4f7f\u7528\u8981\u6df1\u601d\u719f\u8651\u3002\u5c24\u5176\u662f\uff0c\u4e0d\u8981\u4f7f\u7528\u7ebf\u7a0b\u672c\u5730\u53d8\u91cf\uff0c\u5728\u591a\u4e2a\u4efb\u52a1\u5171\u4eab\u7ebf\u7a0b\u6c60\u4e2d\u540c\u4e00\u7ebf\u7a0b\u65f6\u6c60\u5316\u6602\u8d35\u7684\u8d44\u6e90\u3002\u6c38\u8fdc\u4e0d\u8981\u6c60\u5316\u865a\u62df\u7ebf\u7a0b\uff0c\u56e0\u4e3a\u6bcf\u4e00\u4e2a\u865a\u62df\u7ebf\u7a0b\u5728\u5176\u751f\u547d\u5468\u671f\u90fd\u53ea\u4f1a\u6267\u884c\u4e00\u4e2a\u4efb\u52a1\u3002\u4e3a\u4e86\u51c6\u5907\u865a\u62df\u7ebf\u7a0b\uff0c\u5df2\u7ecf\u4ece java.base \u6a21\u5757\u4e2d\u79fb\u9664\u4e86\u5f88\u591a\u5bf9\u7ebf\u7a0b\u672c\u5730\u53d8\u91cf\u7684\u4f7f\u7528\uff0c\u4ee5\u51cf\u5c11\u8fd0\u884c\u6570\u767e\u4e07\u7ebf\u7a0b\u65f6\u7684\u5185\u5b58\u5f00\u9500\u3002<\/p>\n\n\n\n<p>\u53e6\u5916\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Thread.Builder API \u5b9a\u4e49\u4e86\u4e00\u4e2a\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u521b\u5efa\u7ebf\u7a0b\u65f6<a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.Builder.html#allowSetThreadLocals(boolean)\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.Builder.html#allowSetThreadLocals(boolean)\">\u53d6\u6d88\u5bf9\u7ebf\u7a0b\u672c\u5730\u53d8\u91cf\u7684\u652f\u6301<\/a>\u3002\u8fd8\u5b9a\u4e49\u4e86\u53e6\u4e00\u4e2a\u65b9\u6cd5\uff0c\u53ef\u4ee5<a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.Builder.html#inheritInheritableThreadLocals(boolean)\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.Builder.html#inheritInheritableThreadLocals(boolean)\">\u53d6\u6d88\u5728\u7ee7\u627f\u7ebf\u7a0b\u672c\u5730\u53d8\u91cf\u65f6\u7ee7\u627f\u521d\u59cb\u503c<\/a>\u3002\u5728\u4e0d\u652f\u6301\u7ebf\u7a0b\u672c\u5730\u53d8\u91cf\u7684\u7ebf\u7a0b\u4e2d\uff0c<a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/ThreadLocal.html#get()\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/ThreadLocal.html#get()\">ThreadLocal.get()<\/a> \u8fd4\u56de\u521d\u59cb\u503c\uff0c<a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/ThreadLocal.html#set(T)\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/ThreadLocal.html#set(T)\">ThreadLocal.set(T)<\/a> \u5c06\u629b\u51fa\u4e00\u4e2a\u5f02\u5e38\u3002<\/li>\n\n\n\n<li>\u4f20\u7edf\u7684 <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#getContextClassLoader()\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#getContextClassLoader()\">context class loader<\/a> \u73b0\u5728\u89c4\u8303\u4e3a\u50cf\u53ef\u7ee7\u627f\u7ebf\u7a0b\u672c\u5730\u53d8\u91cf\u4e00\u6837\u5de5\u4f5c\u3002\u5f53\u5728\u4e00\u4e2a\u4e0d\u652f\u6301\u7ebf\u7a0b\u672c\u5730\u53d8\u91cf\u7684\u7ebf\u7a0b\u4e2d\u8c03\u7528 <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#setContextClassLoader(java.lang.ClassLoader)\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.html#setContextClassLoader(java.lang.ClassLoader)\">Thread.setContextClassLoader(ClassLoader)<\/a> \u65f6\u4f1a\u629b\u51fa\u4e00\u4e2a\u5f02\u5e38\u3002<\/li>\n<\/ul>\n\n\n\n<p><a href=\"https:\/\/openjdk.java.net\/jeps\/8263012\" data-type=\"link\" data-id=\"https:\/\/openjdk.java.net\/jeps\/8263012\">Scope-local \u53d8\u91cf<\/a>\u53ef\u80fd\u6bd4\u7ebf\u7a0b\u672c\u5730\u53d8\u91cf\u66f4\u9002\u5408\u67d0\u4e9b\u573a\u666f\u3002<\/p>\n\n\n\n<p><strong><em>java.util.concurrent<\/em><\/strong><\/p>\n\n\n\n<p>\u63d0\u4f9b\u9501\u673a\u5236\u7684\u539f\u8bed API\uff0c<a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/docs\/api\/java.base\/java\/util\/concurrent\/locks\/LockSupport.html\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/docs\/api\/java.base\/java\/util\/concurrent\/locks\/LockSupport.html\">java.util.concurrent.LockSupport<\/a>\uff0c\u73b0\u5df2\u652f\u6301\u865a\u62df\u7ebf\u7a0b\uff1a\u6302\u8d77\u4e00\u4e2a\u865a\u62df\u7ebf\u7a0b\u4ee5\u91ca\u653e\u5e95\u5c42\u5e73\u53f0\u7ebf\u7a0b\u6267\u884c\u5176\u4ed6\u4efb\u52a1\uff0c\u6062\u590d\u4e00\u4e2a\u865a\u62df\u7ebf\u7a0b\u4ee5\u8c03\u5ea6\u5176\u7ee7\u7eed\u6267\u884c\u3002\u5bf9 LockSupport \u7684\u8fd9\u4e9b\u8c03\u6574\u4f7f\u5f97\u6240\u6709\u4f7f\u7528\u5b83\u7684 API\uff08Locks, Semaphores, blocking queues \u7b49\uff09\uff0c\u5728\u865a\u62df\u7ebf\u7a0b\u4e2d\u88ab\u8c03\u7528\u65f6\uff0c\u80fd\u4f18\u96c5\u6302\u8d77\u7ebf\u7a0b\u3002<\/p>\n\n\n\n<p>\u53e6\u5916\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/util\/concurrent\/Executors.html#newThreadPerTaskExecutor(java.util.concurrent.ThreadFactory)\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/util\/concurrent\/Executors.html#newThreadPerTaskExecutor(java.util.concurrent.ThreadFactory)\">Executors.newThreadPerTaskExecutor(ThreadFactory)<\/a> \u548c <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/util\/concurrent\/Executors.html#newVirtualThreadPerTaskExecutor()\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/util\/concurrent\/Executors.html#newVirtualThreadPerTaskExecutor()\">Executors.newVirtualThreadPerTaskExecutor()<\/a> \u521b\u5efa\u51fa\u7684 ExecutorService \u4f1a\u4e3a\u6bcf\u4e2a\u4efb\u52a1\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u3002\u8fd9\u4e9b\u65b9\u6cd5\u652f\u6301\u8fc1\u79fb\u4ee5\u53ca\u548c\u73b0\u6709\u4f7f\u7528\u4e86\u7ebf\u7a0b\u6c60\u548c ExecurotService \u7684\u4ee3\u7801\u7684\u4e92\u64cd\u4f5c\u6027\u3002<\/li>\n\n\n\n<li><a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/util\/concurrent\/ExecutorService.html\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/util\/concurrent\/ExecutorService.html\">ExecutorService<\/a> \u73b0\u5728\u7ee7\u627f\u4e86 <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/AutoCloseable.html\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/AutoCloseable.html\">AutoCloseable<\/a> \u63a5\u53e3\uff0c\u652f\u6301 try-with-resource \u8fd9\u79cd\u5199\u6cd5\u3002<\/li>\n\n\n\n<li><a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/util\/concurrent\/Future.html\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/util\/concurrent\/Future.html\">Future<\/a> \u73b0\u5728\u5b9a\u4e49\u4e86\u65b9\u6cd5\u83b7\u53d6\u5df2\u7ed3\u675f\u4efb\u52a1\u7684\u7ed3\u679c\u6216\u8005\u5f02\u5e38\uff0c\u4ee5\u53ca\u4efb\u52a1\u72b6\u6001\u3002\u603b\u7684\u6765\u8bf4\uff0c\u8fd9\u4e9b\u65b0\u589e\u5185\u5bb9\u4f7f\u5f97\u5c06 Future \u5bf9\u8c61\u4f5c\u4e3a\u6d41\u5143\u7d20\uff0c\u8fc7\u6ee4 future \u6d41\u4ee5\u5f97\u5230\u5b8c\u6210\u7684\u4efb\u52a1\uff0c\u7136\u540e\u6620\u5c04\u4e3a\u83b7\u53d6\u7ed3\u679c\u7684\u6d41\u3002\u8fd9\u4e9b\u65b9\u6cd5\u540c\u6837\u5bf9\u63d0\u8bae\u4e2d\u7684<a href=\"https:\/\/openjdk.java.net\/jeps\/8277129\" data-type=\"link\" data-id=\"https:\/\/openjdk.java.net\/jeps\/8277129\">\u7ed3\u6784\u5316\u5e76\u53d1<\/a>\u6709\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<p><em><strong>\u7f51\u7edc<\/strong><\/em><\/p>\n\n\n\n<p>java.net \u548c java.nio.channels \u5305\u4e2d\u7684\u7f51\u7edc API \u73b0\u5df2\u652f\u6301\u865a\u62df\u7ebf\u7a0b\uff1a\u865a\u62df\u7ebf\u7a0b\u4e2d\u7684\u4e00\u4e2a\u963b\u585e\u64cd\u4f5c\uff0c\u5982\u5efa\u7acb\u7f51\u7edc\u8fde\u63a5\u6216\u8bfb\u53d6\u5957\u63a5\u5b57\uff0c\u5c06\u91ca\u653e\u5e95\u5c42\u5e73\u53f0\u7ebf\u7a0b\u3002<\/p>\n\n\n\n<p>\u4e3a\u652f\u6301\u4e2d\u65ad\u548c\u53d6\u6d88\uff0c\u5728 java.net.Socket\uff0cServerSocket \u548c DatagramSocket \u4e2d\u5b9a\u4e49\u7684\u963b\u585e I\/O \u65b9\u6cd5\uff0c\u5f53\u5728\u865a\u62df\u7ebf\u7a0b\u4e2d\u8c03\u7528\u65f6\uff0c\u73b0\u89c4\u8303\u4e3a\u53ef\u88ab\u4e2d\u65ad\uff1a\u4e2d\u65ad\u4e00\u4e2a\u963b\u585e\u5728\u5957\u63a5\u5b57\u4e0a\u7684\u865a\u62df\u7ebf\u7a0b\u5c06\u6062\u590d\u8be5\u7ebf\u7a0b\u5e76\u5173\u95ed\u5957\u63a5\u5b57\u3002\u4ece <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/nio\/channels\/InterruptibleChannel.html\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/nio\/channels\/InterruptibleChannel.html\">InterruptibleChannel<\/a> \u83b7\u53d6\u7684\u8fd9\u4e9b\u7c7b\u578b\u7684\u5957\u63a5\u5b57\u4e0a\u7684\u963b\u585e I\/O \u64cd\u4f5c\u603b\u662f\u53ef\u88ab\u4e2d\u65ad\u7684\uff0c\u6240\u4ee5\u8fd9\u4e2a\u8c03\u6574\u7edf\u4e00\u4e86\u4f7f\u7528\u6784\u9020\u5668\u521b\u5efa\u6765\u7684\u8fd9\u4e9b API \u7684\u884c\u4e3a\u548c\u4ece channel \u83b7\u53d6\u65f6\u7684\u884c\u4e3a\u3002<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5fd2\u957f\uff0c\u4f60\u8981\u770b\u5f97\u4e0b\u53bb\u5c31\u7ee7\u7eed\uff1a \u6267\u884c\u865a\u62df\u7ebf\u7a0b \u8981\u7528\u4e0a\u865a\u62df\u7ebf\u7a0b\uff0c\u4e0d\u5fc5\u91cd\u5199\u73b0\u6709\u4ee3\u7801\u3002\u865a\u62df\u7ebf\u7a0b\u4e0d\u8981\u6c42\u6216\u8005\u4e0d\u671f\u5f85 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[143,199,203,202,208],"class_list":["post-12907","post","type-post","status-publish","format-standard","hentry","category-17","tag-java","tag-jep","tag-203","tag-202","tag-208"],"_links":{"self":[{"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/posts\/12907","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12907"}],"version-history":[{"count":152,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/posts\/12907\/revisions"}],"predecessor-version":[{"id":13074,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/posts\/12907\/revisions\/13074"}],"wp:attachment":[{"href":"https:\/\/www.chenqing.work\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12907"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12907"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12907"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}