{"id":61239,"date":"2026-01-17T09:25:33","date_gmt":"2026-01-17T01:25:33","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/61239.html"},"modified":"2026-01-17T09:25:33","modified_gmt":"2026-01-17T01:25:33","slug":"%e5%b8%b8%e8%a7%81%e7%9a%84java%e7%ba%bf%e7%a8%8b%e7%9b%b8%e5%85%b3%e9%a2%98%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/61239.html","title":{"rendered":"\u5e38\u89c1\u7684Java\u7ebf\u7a0b\u76f8\u5173\u9898\u603b\u7ed3"},"content":{"rendered":"<h2>\u7ebf\u7a0b<\/h2>\n<h3 id=\"u5508ae52\"><span style=\"color:#fe2c24\">1. \u7ebf\u7a0b\u548c\u8fdb\u7a0b\u7684\u533a\u522b&#xff1f;<\/span><\/h3>\n<p id=\"ue4ec768f\">\u8fdb\u7a0b\u662f\u5f53\u4e00\u4e2a\u7a0b\u5e8f\u8fd0\u884c\u65f6\u5019&#xff0c;\u4ece\u78c1\u76d8\u52a0\u8f7d\u8fd9\u4e2a\u7a0b\u5e8f\u7684\u4ee3\u7801\u5230\u5185\u5b58&#xff0c;\u8fd9\u65f6\u5c31\u5f00\u542f\u4e86\u4e00\u4e2a\u8fdb\u7a0b&#xff0c;\u8fdb\u7a0b\u5206\u4e3a\u5355\u5b9e\u4f8b\u8fdb\u7a0b\u548c\u591a\u5b9e\u4f8b\u8fdb\u7a0b&#xff0c;\u5355\u5b9e\u4f8b\u8fdb\u7a0b\u5c31\u662f\u6253\u5f00\u7684\u7a0b\u5e8f\u53ea\u80fd\u6253\u5f00\u4e00\u4efd&#xff0c;\u591a\u5b9e\u4f8b\u8fdb\u7a0b\u5c31\u662f\u6253\u5f00\u7684\u7a0b\u5e8f\u53ef\u4ee5\u6253\u5f00\u591a\u4efd\u3002\u7ebf\u7a0b\u5c31\u662f\u5c06\u4e00\u6761\u4e00\u6761\u7684\u547d\u4ee4\u4ee5\u4e00\u5b9a\u987a\u5e8f\u4ea4\u7ed9CPU\u6267\u884c&#xff0c;\u4e00\u4e2a\u8fdb\u7a0b\u5185\u5305\u542b\u4e00\u5230\u591a\u4e2a\u7ebf\u7a0b\u3002\u4e00\u4e2a\u8fdb\u7a0b\u4e0b\u7684\u6240\u6709\u7ebf\u7a0b\u53ef\u4ee5\u5171\u4eab\u5185\u5b58\u7a7a\u95f4&#xff0c;\u7ebf\u7a0b\u662f\u66f4\u8f7b\u91cf\u7684&#xff0c;\u4e00\u4e2a\u7ebf\u7a0b\u5207\u6362\u5230\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u7684\u6210\u672c\u66f4\u4f4e\u3002<\/p>\n<h3 id=\"u339432cf\"><span style=\"color:#fe2c24\">2. \u5e76\u884c\u548c\u5e76\u53d1\u6709\u4ec0\u4e48\u533a\u522b&#xff1f;<\/span><\/h3>\n<p id=\"u056a4fd3\">\u73b0\u5728\u8ba1\u7b97\u673a\u90fd\u662f\u591a\u6838CPU&#xff0c;\u5e76\u53d1\u662f\u540c\u4e00\u65f6\u95f4\u5e94\u5bf9\u591a\u4ef6\u4e8b\u60c5\u7684\u80fd\u529b&#xff0c;\u591a\u4e2a\u7ebf\u7a0b\u8f6e\u6d41\u4f7f\u7528\u4e00\u4e2a\u6216\u591a\u4e2aCPU\u3002\u5e76\u884c\u662f\u540c\u4e00\u65f6\u95f4\u52a8\u624b\u505a\u591a\u4ef6\u4e8b\u60c5\u7684\u80fd\u529b&#xff0c;\u6bd4\u59824\u6838CPU\u540c\u65f6\u6267\u884c4\u4e2a\u7ebf\u7a0b\u3002<\/p>\n<h3 id=\"u373aa086\"><span style=\"color:#fe2c24\">3. \u521b\u5efa\u7ebf\u7a0b\u7684\u65b9\u5f0f\u6709\u54ea\u4e9b&#xff1f;<\/span><\/h3>\n<p id=\"u52bcfebf\">\u521b\u5efa\u7ebf\u7a0b\u4e00\u5171\u6709\u56db\u79cd\u65b9\u5f0f&#xff0c;\u7b2c\u4e00\u79cd\u662f\u5f53\u524d\u7c7b\u53bb\u7ee7\u627fThread\u7c7b&#xff0c;\u91cd\u5199run()\u65b9\u6cd5&#xff0c;\u901a\u8fc7new\u6765\u521b\u5efa\u5f53\u524d\u7c7b\u5bf9\u8c61&#xff0c;\u8c03\u7528start()\u65b9\u6cd5\u6765\u542f\u52a8\u7ebf\u7a0b\u3002\u7b2c\u4e8c\u79cd\u662f\u5f53\u524d\u7c7b\u53bb\u5b9e\u73b0Runnable\u63a5\u53e3&#xff0c;\u91cd\u5199run()\u65b9\u6cd5&#xff0c;\u901a\u8fc7new\u521b\u5efa\u5f53\u524d\u7c7b\u5bf9\u8c61&#xff0c;\u7136\u540e\u901a\u8fc7new\u521b\u5efaThread\u5bf9\u8c61&#xff0c;\u5c06\u5f53\u524d\u7c7b\u5bf9\u8c61\u4f20\u8fdb\u53bb&#xff0c;\u6700\u540e\u8c03\u7528start()\u65b9\u6cd5\u542f\u52a8\u7ebf\u7a0b\u3002\u7b2c\u4e09\u79cd\u662f\u5f53\u524d\u7c7b\u53bb\u5b9e\u73b0Callable&lt;&gt;\u63a5\u53e3\u5b83\u662f\u6709\u8fd4\u56de\u503c\u9002\u5408\u7528\u4e8e\u8981\u62ff\u5230\u5f53\u524d\u7ebf\u7a0b\u7ed3\u679c&#xff0c;\u91cd\u5199call()\u65b9\u6cd5&#xff0c;\u901a\u8fc7new\u521b\u5efa\u5f53\u524d\u7c7b\u5bf9\u8c61&#xff0c;\u518dnew\u521b\u5efaFutureTask&lt;&gt;\u5bf9\u8c61,\u5c06\u5f53\u524d\u7c7b\u5bf9\u8c61\u4f20\u8fdb\u53bb&#xff0c;\u7136\u540e\u518d\u901a\u8fc7new\u521b\u5efaThread\u5bf9\u8c61&#xff0c;\u5c06FutureTask&lt;&gt;\u5bf9\u8c61\u4f20\u8fdb\u53bb&#xff0c;\u8c03\u7528start()\u65b9\u6cd5\u542f\u52a8\u7ebf\u7a0b&#xff0c;\u6700\u540e\u518d\u8c03\u7528FutureTask&lt;&gt;\u5bf9\u8c61\u7684get()\u65b9\u6cd5\u83b7\u53d6\u7ed3\u679c\u3002\u7b2c\u56db\u79cd(\u9879\u76ee\u4e2d\u5e38\u7528)\u662f\u4f7f\u7528\u7ebf\u7a0b\u6c60\u521b\u5efa\u7ebf\u7a0b&#xff0c;\u9996\u5148\u5f53\u524d\u7c7b\u8981\u5b9e\u73b0Runnable\u63a5\u53e3&#xff0c;\u91cd\u5199run()\u65b9\u6cd5&#xff0c;\u7136\u540e\u521b\u5efa\u7ebf\u7a0b\u6c60\u5bf9\u8c61&#xff0c;\u4f7f\u7528\u7ebf\u7a0b\u6c60\u7684submit()\u65b9\u6cd5\u63d0\u4ea4\u5f53\u524d\u7ebf\u7a0b\u4efb\u52a1&#xff0c;\u7ebf\u7a0b\u4f1a\u81ea\u52a8\u6267\u884c&#xff0c;\u6700\u540e\u4f7f\u7528\u7ebf\u7a0b\u6c60\u7684shutdown()\u65b9\u6cd5\u5173\u95ed\u7ebf\u7a0b\u6c60\u3002<\/p>\n<h3 id=\"u8f399339\"><span style=\"color:#fe2c24\">4. \u4f7f\u7528Runnable\u548cCallable\u90fd\u53ef\u4ee5\u521b\u5efa\u7ebf\u7a0b&#xff0c;\u5b83\u4eec\u6709\u4ec0\u4e48\u533a\u522b\u5462&#xff1f;<\/span><\/h3>\n<p id=\"u22162cdd\">Runnable\u662f\u6ca1\u6709\u7ed3\u679c\u8fd4\u56de\u503c\u7684&#xff0c;\u5e76\u4e14\u5b83\u4e0d\u80fd\u629b\u5f02\u5e38&#xff0c;\u800cCallable\u6709\u8fd4\u56de\u503c\u7684\u662f\u4e2a\u6cdb\u578b\u5e76\u4e14\u53ef\u4ee5\u629b\u5f02\u5e38\u3002<\/p>\n<h3 id=\"ub05f6266\"><span style=\"color:#fe2c24\">5. \u5728\u542f\u52a8\u7ebf\u7a0b\u7684\u65f6\u5019&#xff0c;\u53ef\u4ee5\u4f7f\u7528run()\u65b9\u6cd5\u5417&#xff1f;run()\u548cstart()\u6709\u4ec0\u4e48\u533a\u522b&#xff1f;<\/span><\/h3>\n<p id=\"ud16d8006\">run()\u65b9\u6cd5\u5c31\u76f8\u5f53\u4e8e\u666e\u901a\u7684\u65b9\u6cd5\u8c03\u7528&#xff0c;\u53ef\u4ee5\u6267\u884c\u591a\u6b21&#xff0c;\u800cstart()\u65b9\u6cd5\u662f\u901a\u8fc7\u7ebf\u7a0b\u6765run()\u65b9\u6cd5&#xff0c;\u53ea\u80fd\u8c03\u7528\u4e00\u6b21\u3002<\/p>\n<h3 id=\"ucdf0f2a7\"><span style=\"color:#fe2c24\">6. \u7ebf\u7a0b\u5305\u62ec\u54ea\u4e9b\u72b6\u6001&#xff1f;\u72b6\u6001\u4e4b\u95f4\u662f\u5982\u4f55\u53d8\u5316\u7684&#xff1f;<\/span><\/h3>\n<p id=\"ua3d47f93\">\u67096\u79cd\u72b6\u6001&#xff0c;new\u3001runnable\u3001blocked\u3001waiting\u3001timed_waiting\u3001terminated\u3002\u9996\u5148\u901a\u8fc7new\u521b\u5efa\u7ebf\u7a0b\u5bf9\u8c61&#xff0c;\u6267\u884cstart()\u65b9\u6cd5\u8fdb\u5165runnable\u8fd0\u884c\u72b6\u6001&#xff0c;\u5982\u679c\u62ff\u5230CPU\u6267\u884c\u6743&#xff0c;\u6b63\u5e38\u6267\u884c\u540e\u8fdb\u5165terminated\u7ec8\u7ed3\u72b6\u6001\u3002\u5982\u679c\u8fdb\u5165runnable\u8fd0\u884c\u72b6\u6001\u8fd9\u65f6\u5019\u7ed9\u5b83\u52a0\u4e86\u4e2a\u9501&#xff0c;\u90a3\u5c31\u4f1a\u8fdb\u5165blocked\u963b\u585e\u72b6\u6001&#xff0c;\u91ca\u653e\u4e86\u9501\u62ff\u5230\u6267\u884c\u6743\u540e\u624d\u4f1a\u5207\u6362\u56de\u8fd0\u884c\u72b6\u6001\u3002\u7136\u540e\u5982\u679c\u5728runnable\u72b6\u6001\u8c03\u7528\u4e86wait()\u65b9\u6cd5\u5c31\u4f1a\u8fdb\u5165waiting\u7b49\u5f85\u7684\u72b6\u6001&#xff0c;\u53ea\u6709\u5f53\u8c03\u7528\u4e86notify()\u65b9\u6cd5\u540e\u624d\u4f1a\u8ba9\u5b83\u7ee7\u7eed\u53d8\u6210\u53ef\u6267\u884c\u72b6\u6001\u3002\u6700\u540e\u5982\u679c\u662f\u8c03\u7528\u4e86sleep()\u65b9\u6cd5&#xff0c;\u5c31\u4f1a\u8fdb\u5165timed_waiting\u65f6\u95f4\u7b49\u5f85\u72b6\u6001&#xff0c;\u7b49\u5230\u8fbe\u65f6\u95f4\u5c31\u53d8\u6210\u53ef\u8fd0\u884c\u72b6\u6001\u3002<\/p>\n<h3 id=\"u9b144ae2\"><span style=\"color:#fe2c24\">7. \u65b0\u5efaT1\u3001T2\u3001T3\u4e09\u4e2a\u7ebf\u7a0b&#xff0c;\u5982\u4f55\u4fdd\u8bc1\u5b83\u4eec\u6309\u987a\u5e8f\u6267\u884c&#xff1f;<\/span><\/h3>\n<p id=\"u7516aa49\">\u53ef\u4ee5\u4f7f\u7528\u7ebf\u7a0b\u4e2d\u7684join()\u65b9\u6cd5\u89e3\u51b3&#xff0c;\u5b83\u5c31\u662f\u7b49\u5f85\u7ebf\u7a0b\u8fd0\u884c\u7ed3\u675f\u561b&#xff0c;\u8c03\u7528\u4e86\u6b64\u65b9\u6cd5\u7684\u7ebf\u7a0b\u8fdb\u5165timed_waiting\u76f4\u5230\u6267\u884c\u5b8c\u6b64\u7ebf\u7a0b\u518d\u7ee7\u7eed\u6267\u884c&#xff0c;\u6bd4\u5982T2\u7ebf\u7a0b\u4e2d\u7684T1\u7ebf\u7a0b\u8c03\u7528\u4e86join()&#xff0c;T3\u7ebf\u7a0b\u4e2d\u7684T2\u7ebf\u7a0b\u8c03\u7528\u4e86join()&#xff0c;\u90a3\u5c31\u662fT2\u8981\u7b49T1\u6267\u884c\u5b8c\u518d\u6267\u884c&#xff0c;\u7136\u540eT3\u7b49T2\u6267\u884c\u5b8c\u518d\u6267\u884c\u3002<\/p>\n<h3 id=\"ue3742c37\"><span style=\"color:#fe2c24\">8. notify()\u548cnotifyAll()\u6709\u4ec0\u4e48\u533a\u522b&#xff1f;<\/span><\/h3>\n<p id=\"u78f3a9f6\">notify()\u662f\u968f\u673a\u5524\u9192\u4e00\u4e2await()\u7684\u7ebf\u7a0b&#xff0c;\u800cnotifyAll()\u662f\u5524\u9192\u6240\u6709wait()\u7684\u7ebf\u7a0b\u3002<\/p>\n<h3 id=\"ufb723e2f\"><span style=\"color:#fe2c24\">9. 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