{"id":203535,"date":"2025-05-22T12:47:35","date_gmt":"2025-05-22T04:47:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203535\/"},"modified":"2025-05-22T12:47:35","modified_gmt":"2025-05-22T04:47:35","slug":"linkedblockingqueue-%e6%ba%90%e7%a0%81%e4%b8%ad-h-next-h-%e7%9a%84-gc-%e4%bc%98%e5%8c%96%e5%8e%9f%e7%90%86%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203535\/","title":{"rendered":"LinkedBlockingQueue \u6e90\u7801\u4e2d h.next = h \u7684 GC \u4f18\u5316\u539f\u7406\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

LinkedBlockingQueue \u6e90\u7801\u4e2d h.next = h \u7684 GC \u4f18\u5316\u539f\u7406\u662f\u4ec0\u4e48\uff1f<\/h1>\n

\u6587\u7ae0\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300aLinkedBlockingQueue \u6e90\u7801\u4e2d h.next = h \u7684 GC \u4f18\u5316\u539f\u7406\u662f\u4ec0\u4e48\uff1f\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

<\/p>\n

<\/p>\n

LinkedBlockingQueue \u6e90\u7801\u4e2d\u7684 GC \u4f18\u5316<\/strong><\/p>\n

\u5728 LinkedBlockingQueue \u6e90\u7801\u4e2d\uff0c\u6709\u4e00\u884c\u4ee3\u7801\u5f15\u8d77\u4e86\u8bb8\u591a\u5f00\u53d1\u8005\u7684\u7591\u60d1\uff1ah.next = h\u3002\u8fd9\u884c\u4ee3\u7801\u51fa\u73b0\u5728\u5220\u9664\u961f\u5217\u5934\u8282\u70b9\u7684\u903b\u8f91\u4e2d\u3002<\/p>\n

\u5982\u4f55\u5e2e\u52a9 GC\uff1f<\/strong><\/p>\n

\u5728 LinkedBlockingQueue \u4e2d\uff0c\u8282\u70b9\u5f15\u7528\u662f\u901a\u8fc7\u53cc\u5411\u94fe\u8868\u7ef4\u62a4\u7684\u3002\u5f53\u60a8\u4ece\u961f\u5217\u4e2d\u5220\u9664\u4e00\u4e2a\u8282\u70b9\u65f6\uff0c\u8be5\u8282\u70b9\u7684 next \u5f15\u7528\u5c06\u88ab\u66f4\u65b0\u4e3a null\uff0c\u4ee5\u4fbf GC \u53ef\u4ee5\u56de\u6536\u5b83\u3002<\/p>\n

\u7136\u800c\uff0c\u5982\u679c\u8282\u70b9 h \u662f\u961f\u5217\u4e2d\u7684\u6700\u540e\u4e00\u4e2a\u8282\u70b9\uff0c\u90a3\u4e48\u66f4\u65b0 h.next \u4e3a null \u5c06\u5bfc\u81f4\u6574\u4e2a\u94fe\u8868\u4e0d\u53ef\u8fbe\uff0cGC \u5c06\u65e0\u6cd5\u56de\u6536\u4efb\u4f55\u8282\u70b9\u3002<\/p>\n

\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\uff0c\u4ee3\u7801\u5c06 h.next \u66f4\u65b0\u4e3a h \u672c\u8eab\u3002\u6b64\u64cd\u4f5c\u521b\u5efa\u4e86\u4e00\u4e2a\u73af\uff0c\u4f7f\u5f97\u6bcf\u4e2a\u8282\u70b9\u90fd\u5f15\u7528\u81ea\u8eab\uff0c\u907f\u514d\u4e86\u6d6e\u52a8\u5783\u573e\u7684\u4ea7\u751f\u3002<\/p>\n

\u6d6e\u52a8\u5783\u573e\u662f\u6307\u53ef\u4ee5\u88ab GC \u56de\u6536\uff0c\u4f46\u7531\u4e8e\u5176\u4ed6\u5bf9\u8c61\u5f15\u7528\u4ecd\u7136\u5b58\u5728\u800c\u65e0\u6cd5\u56de\u6536\u7684\u5783\u573e\u5bf9\u8c61\u3002\u6d6e\u52a8\u5783\u573e\u4f1a\u5360\u7528\u5185\u5b58\uff0c\u5e76\u53ef\u80fd\u5bfc\u81f4\u610f\u5916\u7684 GC \u89e6\u53d1\u3002<\/p>\n

\u901a\u8fc7\u5c06 h.next \u66f4\u65b0\u4e3a h\uff0c\u4ee3\u7801\u53ef\u4ee5\u5c06\u961f\u5217\u4e2d\u6240\u6709\u8282\u70b9\u8fde\u63a5\u6210\u4e00\u4e2a\u73af\uff0c\u4ece\u800c\u6d88\u9664\u6d6e\u52a8\u5783\u573e\u7684\u53ef\u80fd\u6027\u3002\u5f53\u6574\u4e2a\u94fe\u8868\u4e0d\u518d\u53ef\u8fbe\u65f6\uff0cGC \u53ef\u4ee5\u540c\u65f6\u56de\u6536\u6240\u6709\u8282\u70b9\u53ca\u5176\u5305\u542b\u7684\u6570\u636e\u3002<\/p>\n

\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

LinkedBlockingQu...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203535","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203535","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=203535"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203535\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203535"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203535"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203535"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}