{"id":10725,"date":"2023-11-28T21:42:18","date_gmt":"2023-11-28T13:42:18","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=10725"},"modified":"2023-11-28T21:42:22","modified_gmt":"2023-11-28T13:42:22","slug":"java-zhongfinalize-fang-fa-shen-me-shi-hou-bei-di-2","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/java-zhongfinalize-fang-fa-shen-me-shi-hou-bei-di-2\/","title":{"rendered":"Java\u4e2dfinalize()\u65b9\u6cd5\u4ec0\u4e48\u65f6\u5019\u88ab\u8c03\u7528\uff1f\u6790\u6784\u51fd\u6570(finalization)\u7684\u76ee\u7684 \u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p>1\u3001\t\u5783\u573e\u56de\u6536\u5668(garbage colector)\u51b3\u5b9a\u56de\u6536\u67d0\u5bf9\u8c61\u65f6\uff0c\u5c31\u4f1a\u8fd0\u884c\u8be5\u5bf9\u8c61\u7684finalize()\u65b9 \u6cd5;finalize\u662fObject\u7c7b\u7684\u4e00\u4e2a\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u5728Object\u7c7b\u4e2d\u7684\u58f0\u660eprotected void finalize() throws Throwable { }\u5728\u5783\u573e\u56de\u6536\u5668\u6267\u884c\u65f6\u4f1a\u8c03\u7528\u88ab\u56de\u6536\u5bf9\u8c61\u7684finalize()\u65b9 \u6cd5\uff0c\u53ef\u4ee5\u8986\u76d6\u6b64\u65b9\u6cd5\u6765\u5b9e\u73b0\u5bf9\u5176\u8d44\u6e90\u7684\u56de\u6536\u3002\u6ce8\u610f\uff1a\u4e00\u65e6\u5783\u573e\u56de\u6536\u5668\u51c6\u5907\u91ca\u653e\u5bf9\u8c61\u5360\u7528\u7684\u5185\u5b58, \u5c06\u9996\u5148\u8c03\u7528\u8be5\u5bf9\u8c61\u7684finalize()\u65b9\u6cd5\uff0c\u5e76\u4e14\u4e0b\u4e00\u6b21\u5783\u573e\u56de\u6536\u52a8\u4f5c\u53d1\u751f\u65f6\uff0c\u624d\u771f\u6b63\u56de\u6536\u5bf9\u8c61\u5360 \u7528\u7684\u5185\u5b58\u7a7a\u95f4<br \/>\n2\u3001\tGC\u672c\u6765\u5c31\u662f\u5185\u5b58\u56de\u6536\u4e86\uff0c\u5e94\u7528\u8fd8\u9700\u8981\u5728finalization\u505a\u4ec0\u4e48\u5462\uff1f\u7b54\u6848\u662f\u5927\u90e8\u5206\u65f6\u5019\uff0c \u4ec0\u4e48\u90fd\u4e0d\u7528\u505a(\u4e5f\u5c31\u662f\u4e0d\u9700\u8981\u91cd\u8f7d)\u3002\u53ea\u6709\u5728\u67d0\u4e9b\u5f88\u7279\u6b8a\u7684\u60c5\u51b5\u4e0b\uff0c\u6bd4\u5982\u4f60\u8c03\u7528\u4e86\u4e00\u4e9bnative \u7684\u65b9\u6cd5(\u4e00\u822c\u662fC\u5199\u7684)\uff0c\u53ef\u4ee5\u8981\u5728finaliztion\u91cc\u53bb\u8c03\u7528C\u7684\u91ca\u653e\u51fd\u6570\u3002<br \/>\n3\u3001\tFinalizetion\u4e3b\u8981\u7528\u6765\u91ca\u653e\u88ab\u5bf9\u8c61\u5360\u7528\u7684\u8d44\u6e90(\u4e0d\u662f\u6307\u5185\u5b58\uff0c\u800c\u662f\u6307\u5176\u4ed6\u8d44\u6e90\uff0c\u6bd4\u5982\u6587 \u4ef6(File Handle),\u7aef\u53e3 (ports),\u6570\u636e\u5e93\u8fde\u63a5(DB Connection)\u7b49)\u3002\u7136\u800c\uff0c\u5b83\u4e0d\u80fd\u771f\u6b63\u6709\u6548 \u5730\u5de5\u4f5c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1\u3001 \u5783\u573e\u56de\u6536\u5668(garbage colector)\u51b3\u5b9a\u56de\u6536\u67d0\u5bf9\u8c61\u65f6\uff0c\u5c31\u4f1a\u8fd0\u884c\u8be5\u5bf9\u8c61\u7684finalize()\u65b9  [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[118],"tags":[],"class_list":["post-10725","post","type-post","status-publish","format-standard","hentry","category-java"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10725","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=10725"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10725\/revisions"}],"predecessor-version":[{"id":10726,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10725\/revisions\/10726"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=10725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=10725"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=10725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}