{"id":3958,"date":"2025-07-20T11:22:46","date_gmt":"2025-07-20T03:22:46","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=3958"},"modified":"2025-07-20T11:22:46","modified_gmt":"2025-07-20T03:22:46","slug":"%e4%bb%80%e4%b9%88%e6%98%af%e5%ae%88%e6%8a%a4%e7%ba%bf%e7%a8%8b%ef%bc%8c%e5%ae%83%e6%9c%89%e4%bb%80%e4%b9%88%e7%89%b9%e7%82%b9-2","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/07\/20\/%e4%bb%80%e4%b9%88%e6%98%af%e5%ae%88%e6%8a%a4%e7%ba%bf%e7%a8%8b%ef%bc%8c%e5%ae%83%e6%9c%89%e4%bb%80%e4%b9%88%e7%89%b9%e7%82%b9-2\/","title":{"rendered":"\u4ec0\u4e48\u662f\u5b88\u62a4\u7ebf\u7a0b\uff0c\u5b83\u6709\u4ec0\u4e48\u7279\u70b9"},"content":{"rendered":"\n<p>\u5b88\u62a4\u7ebf\u7a0b\uff08Daemon Thread\uff09\u662f Java \u7ebf\u7a0b\u7684\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\uff0c\u7528\u6765\u6267\u884c\u540e\u53f0\u8f85\u52a9\u4efb\u52a1\uff0c<strong>\u5b83\u7684\u751f\u547d\u5468\u671f\u4f9d\u8d56\u4e8e\u6240\u6709\u975e\u5b88\u62a4\u7ebf\u7a0b\u7684\u8fd0\u884c\u72b6\u6001<\/strong>\u3002\u4e00\u65e6\u6240\u6709\u975e\u5b88\u62a4\u7ebf\u7a0b\u7ed3\u675f\uff0cJVM \u4f1a\u81ea\u52a8\u9000\u51fa\uff0c\u5373\u4f7f\u5b88\u62a4\u7ebf\u7a0b\u8fd8\u5728\u8fd0\u884c\u4e5f\u4f1a\u88ab\u5f3a\u5236\u7ec8\u6b62\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u5b88\u62a4\u7ebf\u7a0b\u7684\u5b9a\u4e49<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b88\u62a4\u7ebf\u7a0b\u662f\u4e00\u79cd<strong>\u540e\u53f0\u7ebf\u7a0b<\/strong>\uff0c\u4e00\u822c\u7528\u6765\u6267\u884c\u4e00\u4e9b\u652f\u6301\u6027\u5de5\u4f5c\uff0c\u6bd4\u5982\u5783\u573e\u56de\u6536\u3001JVM \u76d1\u63a7\u3001\u5b9a\u65f6\u4efb\u52a1\u7b49\u3002<\/li>\n\n\n\n<li>\u5b88\u62a4\u7ebf\u7a0b\u4e0d\u4f1a\u963b\u6b62 JVM \u9000\u51fa\u3002<\/li>\n\n\n\n<li>\u7531 <code>Thread.setDaemon(true)<\/code> \u65b9\u6cd5\u5c06\u7ebf\u7a0b\u8bbe\u7f6e\u4e3a\u5b88\u62a4\u7ebf\u7a0b\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u5b88\u62a4\u7ebf\u7a0b\u7684\u7279\u70b9<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u70b9<\/th><th>\u8bf4\u660e<\/th><\/tr><\/thead><tbody><tr><td>\u751f\u547d\u5468\u671f\u4f9d\u8d56\u4e8e\u7528\u6237\u7ebf\u7a0b<\/td><td>\u5f53\u6240\u6709\u975e\u5b88\u62a4\u7ebf\u7a0b\u7ed3\u675f\uff0c\u5b88\u62a4\u7ebf\u7a0b\u81ea\u52a8\u9500\u6bc1\uff0cJVM \u9000\u51fa<\/td><\/tr><tr><td>\u7528\u4e8e\u540e\u53f0\u4efb\u52a1<\/td><td>\u5e38\u7528\u4e8e\u6e05\u7406\u3001\u76d1\u63a7\u3001\u65e5\u5fd7\u3001\u8fde\u63a5\u6c60\u7ef4\u62a4\u7b49\u8f85\u52a9\u5de5\u4f5c<\/td><\/tr><tr><td>\u4e0d\u80fd\u7528\u6765\u6267\u884c\u91cd\u8981\u903b\u8f91<\/td><td>\u56e0\u4e3a JVM \u9000\u51fa\u65f6\u4f1a\u5f3a\u5236\u7ed3\u675f\u5b88\u62a4\u7ebf\u7a0b\uff0c\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e0d\u5b8c\u6574<\/td><\/tr><tr><td>\u5fc5\u987b\u5728\u7ebf\u7a0b\u542f\u52a8\u524d\u8bbe\u7f6e<\/td><td>\u5fc5\u987b\u5728\u8c03\u7528 <code>start()<\/code> \u524d\u8c03\u7528 <code>setDaemon(true)<\/code>\uff0c\u5426\u5219\u629b\u5f02\u5e38<\/td><\/tr><tr><td>\u4e0e\u7528\u6237\u7ebf\u7a0b\u4f18\u5148\u7ea7\u65e0\u5173<\/td><td>\u5b88\u62a4\u7ebf\u7a0b\u548c\u7528\u6237\u7ebf\u7a0b\u4f18\u5148\u7ea7\u65e0\u5173\uff0c\u4f18\u5148\u7ea7\u4e0d\u51b3\u5b9a\u662f\u5426\u4e3a\u5b88\u62a4\u7ebf\u7a0b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u793a\u4f8b\u4ee3\u7801<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>public class DaemonThreadDemo {\n    public static void main(String&#91;] args) {\n        Thread daemonThread = new Thread(() -&gt; {\n            while (true) {\n                System.out.println(\"\u5b88\u62a4\u7ebf\u7a0b\u8fd0\u884c\u4e2d...\");\n                try {\n                    Thread.sleep(1000);\n                } catch (InterruptedException e) {\n                    System.out.println(\"\u5b88\u62a4\u7ebf\u7a0b\u88ab\u4e2d\u65ad\");\n                    break;\n                }\n            }\n        });\n\n        daemonThread.setDaemon(true); \/\/ \u8bbe\u7f6e\u4e3a\u5b88\u62a4\u7ebf\u7a0b\n        daemonThread.start();\n\n        \/\/ \u4e3b\u7ebf\u7a0b\u4f11\u77203\u79d2\u540e\u7ed3\u675f\n        try {\n            Thread.sleep(3000);\n        } catch (InterruptedException e) {\n            e.printStackTrace();\n        }\n\n        System.out.println(\"\u4e3b\u7ebf\u7a0b\u7ed3\u675f\uff0cJVM\u5c06\u9000\u51fa\uff0c\u5b88\u62a4\u7ebf\u7a0b\u81ea\u52a8\u7ed3\u675f\");\n    }\n}<\/code><\/pre>\n\n\n\n<p><strong>\u8fd0\u884c\u7ed3\u679c\u793a\u610f<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5b88\u62a4\u7ebf\u7a0b\u8fd0\u884c\u4e2d...\n\u5b88\u62a4\u7ebf\u7a0b\u8fd0\u884c\u4e2d...\n\u5b88\u62a4\u7ebf\u7a0b\u8fd0\u884c\u4e2d...\n\u4e3b\u7ebf\u7a0b\u7ed3\u675f\uff0cJVM\u5c06\u9000\u51fa\uff0c\u5b88\u62a4\u7ebf\u7a0b\u81ea\u52a8\u7ed3\u675f<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u5b88\u62a4\u7ebf\u7a0b\u7684\u5e94\u7528\u573a\u666f<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5783\u573e\u56de\u6536\u7ebf\u7a0b\uff08GC\uff09<\/li>\n\n\n\n<li>JVM \u5185\u90e8\u7684\u76d1\u63a7\u7ebf\u7a0b<\/li>\n\n\n\n<li>\u5b9a\u65f6\u65e5\u5fd7\u6e05\u7406\u3001\u7edf\u8ba1\u6c47\u603b\u7ebf\u7a0b<\/li>\n\n\n\n<li>\u8fde\u63a5\u6c60\u6216\u7f13\u5b58\u7684\u540e\u53f0\u7ef4\u62a4\u7ebf\u7a0b<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u6ce8\u610f\u4e8b\u9879<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b88\u62a4\u7ebf\u7a0b\u4e2d\u7684\u4ee3\u7801\u4e0d\u5e94\u505a\u91cd\u8981\u6570\u636e\u5199\u64cd\u4f5c\uff0c\u56e0\u4e3a JVM \u9000\u51fa\u65f6\u4e0d\u4f1a\u7b49\u5f85\u5b88\u62a4\u7ebf\u7a0b\u5b8c\u6210\u3002<\/li>\n\n\n\n<li>\u4e00\u65e6 JVM \u4e2d\u6240\u6709\u975e\u5b88\u62a4\u7ebf\u7a0b\u7ed3\u675f\uff0c\u5b88\u62a4\u7ebf\u7a0b\u5373\u4f7f\u6b63\u5728\u8fd0\u884c\u4e5f\u4f1a\u88ab\u5f3a\u5236\u7ec8\u6b62\uff0c\u53ef\u80fd\u5bfc\u81f4\u8d44\u6e90\u6cc4\u6f0f\u6216\u6570\u636e\u4e22\u5931\u3002<\/li>\n\n\n\n<li>\u5c3d\u91cf\u907f\u514d\u8ba9\u5173\u952e\u4e1a\u52a1\u903b\u8f91\u653e\u5728\u5b88\u62a4\u7ebf\u7a0b\u4e2d\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u53c2\u8003\u8d44\u6599<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/docs.oracle.com\/javase\/8\/docs\/api\/java\/lang\/Thread.html#setDaemon-boolean-\">Oracle\u5b98\u65b9\u6587\u6863 &#8211; Thread.setDaemon()<\/a><\/li>\n\n\n\n<li>\u300aJava\u5e76\u53d1\u7f16\u7a0b\u5b9e\u6218\u300b \u2014 \u5b88\u62a4\u7ebf\u7a0b\u7ae0\u8282<\/li>\n\n\n\n<li><a href=\"https:\/\/docs.oracle.com\/javase\/tutorial\/essential\/concurrency\/daemon.html\">Java Tutorial &#8211; Daemon Threads<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b88\u62a4\u7ebf\u7a0b\uff08Daemon Thread\uff09\u662f Java \u7ebf\u7a0b\u7684\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\uff0c\u7528\u6765\u6267\u884c\u540e\u53f0\u8f85\u52a9\u4efb\u52a1\uff0c\u5b83\u7684\u751f\u547d\u5468\u671f\u4f9d\u8d56 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3959,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[68,86],"tags":[],"class_list":["post-3958","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java","category-java-"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3958","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=3958"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3958\/revisions"}],"predecessor-version":[{"id":3960,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3958\/revisions\/3960"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/3959"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=3958"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=3958"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=3958"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}