{"id":1939,"date":"2023-05-28T10:09:51","date_gmt":"2023-05-28T02:09:51","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=1939"},"modified":"2023-06-27T10:43:00","modified_gmt":"2023-06-27T02:43:00","slug":"jvm%e5%9e%83%e5%9c%be%e6%94%b6%e9%9b%86%e5%99%a8%e4%b8%80-%e5%9e%83%e5%9c%be%e6%94%b6%e9%9b%86%e6%a6%82%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/java\/jvm%e5%9e%83%e5%9c%be%e6%94%b6%e9%9b%86%e5%99%a8%e4%b8%80-%e5%9e%83%e5%9c%be%e6%94%b6%e9%9b%86%e6%a6%82%e8%bf%b0\/","title":{"rendered":"JVM\u5783\u573e\u6536\u96c6\u5668(\u4e00) &#8212;&#8212; \u5783\u573e\u6536\u96c6\u6982\u8ff0"},"content":{"rendered":"<div class=\"wxsyncmain\">\n<blockquote style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; border-left: none; padding: 1em; border-radius: 8px; color: rgba(0, 0, 0, 0.5); background: #f7f7f7; margin: 0px 8px 2em;\">\n<p style=\"line-height: 1.75; font-size: 1em; letter-spacing: 0.1em; color: #505050;\">\u5783\u573e\u6536\u96c6\u4e3b\u8981\u8003\u8651\u7684\u4e09\u4ef6\u4e8b\u60c5\uff1a<\/p>\n<ul class=\"list-paddingleft-1\" style=\"line-height: 1.75; padding-left: 1em; list-style: circle; color: #3f3f3f;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u54ea\u4e9b\u5185\u5b58\u9700\u8981\u56de\u6536?<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u4ec0\u4e48\u65f6\u5019\u56de\u6536?<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u5982\u4f55\u56de\u6536?<\/li>\n<\/ul>\n<\/blockquote>\n<h4 style=\"font-size: 1em; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-weight: bold; margin: 2em 8px 0.5em; color: #0f4c81;\">\u5783\u573e\u6536\u96c6\u6982\u8ff0<\/h4>\n<ol class=\"list-paddingleft-1\" style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; padding-left: 1em; color: #3f3f3f;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">1. \u4ec0\u4e48\u662f\u5783\u573e\uff1f<\/li>\n<\/ol>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u8fd0\u884c\u7684\u7a0b\u5e8f\u4e2d\u6ca1\u6709\u4efb\u4f55\u6307\u9488\u6307\u5411\u7684\u5bf9\u8c61\uff0c\u8fd9\u4e2a\u5bf9\u8c61\u5c31\u662f\u9700\u8981\u88ab\u56de\u6536\u7684\u5783\u573e\u3002<\/p>\n<ol class=\"list-paddingleft-1\" style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; padding-left: 1em; color: #3f3f3f;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">1. \u4e3a\u4ec0\u4e48\u9700\u8981\u8fdb\u884c\u5783\u573e\u56de\u6536\uff1f<\/li>\n<\/ol>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u5982\u679c\u6ca1\u6709GC,\u90a3\u4e48\u5185\u5b58\u8fdf\u65e9\u4f1a\u88ab\u8017\u5b8c\u3002\u9664\u4e86\u91ca\u653e\u6ca1\u6709\u7528\u7684\u5bf9\u8c61\uff0c\u5783\u573e\u6536\u96c6\u4e5f\u53ef\u4ee5\u6e05\u695a\u5185\u5b58\u4e2d\u8bb0\u5f55\u7684\u788e\u7247\u3002<\/p>\n<ol class=\"list-paddingleft-1\" style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; padding-left: 1em; color: #3f3f3f;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">1. \u5783\u573e\u56de\u6536\u7684\u5730\u70b9\uff1f<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; padding-left: 1em; list-style: circle; color: #3f3f3f;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u5783\u573e\u6536\u96c6\u53ef\u4ee5\u5bf9\u5e74\u8f7b\u4ee3\u56de\u6536\uff0c\u4e5f\u53ef\u4ee5\u5bf9\u8001\u5e74\u4ee3\u8fdb\u884c\u56de\u6536\uff0c\u751a\u81f3\u53ef\u4ee5\u5168\u5806\u548c\u65b9\u6cd5\u533a\u7684\u56de\u6536\uff1b<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u542f\u52a8\u5806\u662f\u5783\u573e\u6536\u96c6\u5668\u7684\u5de5\u4f5c\u91cd\u70b9\uff1b<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u4ece\u6b21\u6570.\u4e0a\u6765\u8bb2\n<ul class=\"list-paddingleft-1\" style=\"line-height: 1.75; padding-left: 1em; list-style-position: initial; list-style-image: initial;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u9891\u7e41\u6536\u96c6Young\u533a<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u8f83\u5c11\u6536\u96c6Old\u533a<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u57fa\u672c\u4e0d\u52a8\u5143\u7a7a\u95f4<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4 style=\"font-size: 1em; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-weight: bold; margin: 2em 8px 0.5em; color: #0f4c81;\"><code style=\"white-space: pre-wrap; line-height: 1.75; font-size: 12.6px; color: #dd1144; background: rgba(27, 31, 35, 0.05); padding: 3px 5px; border-radius: 4px;\">system.gc()<\/code><\/h4>\n<ul class=\"list-paddingleft-1\" style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; padding-left: 1em; list-style: circle; color: #3f3f3f;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0<code style=\"white-space: pre-wrap; line-height: 1.75; font-size: 12.6px; color: #dd1144; background: rgba(27, 31, 35, 0.05); padding: 3px 5px; border-radius: 4px;\">system.gc()<\/code>\u6216\u8005<code style=\"white-space: pre-wrap; line-height: 1.75; font-size: 12.6px; color: #dd1144; background: rgba(27, 31, 35, 0.05); padding: 3px 5px; border-radius: 4px;\">Runtime.getRuntime().gc()<\/code>\u7684\u8c03\u7528\uff0c\u4f1a\u663e\u793a\u7684\u89e6\u53d1<code style=\"white-space: pre-wrap; line-height: 1.75; font-size: 12.6px; color: #dd1144; background: rgba(27, 31, 35, 0.05); padding: 3px 5px; border-radius: 4px;\">FulIGC<\/code>,\u540c \u65f6\u5bf9\u8001\u5e74\u4ee3\u548c\u65b0\u751f\u4ee3\u8fdb\u884c\u56de\u6536\uff0c\u5c1d\u8bd5\u91ca\u653e\u88ab\u4e22\u5f03\u7684\u5bf9\u8c61\u5360\u7528\u7684\u5185\u5b58\u3002<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0<code style=\"white-space: pre-wrap; line-height: 1.75; font-size: 12.6px; color: #dd1144; background: rgba(27, 31, 35, 0.05); padding: 3px 5px; border-radius: 4px;\">System.gc()<\/code>\u8c03\u7528\u9644\u5e26\u4e00\u4e2a\u514d\u8d23\u58f0\u660e\uff0c\u65e0\u6cd5\u4fdd\u8bc1\u5bf9\u5783\u573e\u56de\u6536\u5668\u7684\u8c03\u7528<\/li>\n<\/ul>\n<h4 style=\"font-size: 1em; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-weight: bold; margin: 2em 8px 0.5em; color: #0f4c81;\">\u5185\u5b58\u6ea2\u51fa<\/h4>\n<ul class=\"list-paddingleft-1\" style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; padding-left: 1em; list-style: circle; color: #3f3f3f;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0javadoc\u5bf9OOM\u7684\u89e3\u91ca\u5c31\u662f:\u6ca1\u6709\u7a7a\u95f2\u7684\u5185\u5b58\uff0c\u5e76\u4e14\u5783\u573e\u6536\u96c6\u5668\u4e5f\u6ca1\u6cd5\u63d0\u4f9b\u66f4\u591a\u7684\u5185\u5b58<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0JVM\u5185\u5b58\u4e0d\u591f\u7684\u4e24\u4e2a\u539f\u56e0\n<ul class=\"list-paddingleft-1\" style=\"line-height: 1.75; padding-left: 1em; list-style-position: initial; list-style-image: initial;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0java\u5806\u5185\u5b58\u8bbe\u7f6e\u4e0d\u591f<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u4ee3\u7801\u4e2d\u521b\u5efa\u4e86\u5927\u91cf\u7684\u5927\u5bf9\u8c61\uff0c\u800c\u4e14\u957f\u65f6\u95f4\u4e0d\u80fd\u88ab\u5783\u573e\u56de\u6536\u5668\u6536\u96c6(\u5b58\u5728\u88ab\u5f15\u7528)<\/li>\n<\/ul>\n<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u5728\u629b\u51faOOM\u4e4b\u524d\uff0c\u901a\u5e38\u5783\u573e\u56de\u6536\u5668\u4f1a\u88ab\u89e6\u53d1\uff0c\u5c3d\u53ef\u80fd\u7684\u53bb\u6e05\u7406\u51fa\u7a7a\u95f4\uff08\u4f8b\u5982\u5f15\u7528\u5206\u6790\u4e2d\u7684\u6d89\u53cajvm\u5c1d\u8bd5\u4f1a\u6536\u7684\u8f6f\u5f15\u7528\u6307\u5411\u7684\u5bf9\u8c61\uff09<\/li>\n<\/ul>\n<h4 style=\"font-size: 1em; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-weight: bold; margin: 2em 8px 0.5em; color: #0f4c81;\">\u5185\u5b58\u6cc4\u6f0f<\/h4>\n<ul class=\"list-paddingleft-1\" style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; padding-left: 1em; list-style: circle; color: #3f3f3f;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u4e25\u683c\u6765\u8bf4\uff0c\u53ea\u6709\u5bf9\u8c61\u4e0d\u4f1a\u518d\u88ab\u7a0b\u5e8f\u7528\u5230\uff0c\u4f46\u662fGC\u53c8\u4e0d\u80fd\u56de\u6536\u4ed6\u4eec\u7684\u60c5\u51b5\uff0c\u624d\u53eb\u5185\u5b58\u6cc4\u9732<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u5185\u5b58\u6cc4\u9732\u4e0d\u4f1a\u7acb\u5373\u5f15\u8d77\u7a0b\u5e8f\u5954\u6e83,\u4f46\u662f\u4f1a\u4e00\u70b9\u4e00\u70b9\u7684\u8695\u98df\uff0c\u76f4\u81f3\u5185\u5b58\u88ab\u8017\u5c3d\uff0c\u76f4\u81f3\u51fa\u73b0OOM\u5f02\u5e38 \u4f8b\u5982\uff1a<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" style=\"color: #000000; font-family: 'PingFang SC'; font-size: 14px; text-align: start; white-space: normal;\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050242885.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-ratio=\"0.44814814814814813\" data-type=\"png\" data-w=\"1080\" \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img\" style=\"color: #000000; font-family: 'PingFang SC'; font-size: 14px; text-align: start; white-space: normal;\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050242885.png\" data-ratio=\"0.44814814814814813\" data-type=\"png\" data-w=\"1080\" \/><\/noscript><\/p>\n<ul class=\"list-paddingleft-1\" style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; padding-left: 1em; list-style: circle; color: #3f3f3f;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u4e3e\u4f8b\n<ul class=\"list-paddingleft-1\" style=\"line-height: 1.75; padding-left: 1em; list-style-position: initial; list-style-image: initial;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u5355\u4f8b\u6a21\u5f0f -------- \u5355\u4f8b\u6a21\u5f0f\u7684\u751f\u547d\u5468\u671f\u548c\u5e94\u7528\u7a0b\u5e8f\u4e00\u6837\u957f\uff0c \u5982\u679c\u6301\u6709\u5bf9\u5916\u90e8\u5bf9\u8c61\u7684\u5f15\u7528\u7684\u8bdd\uff0c\u90a3\u4e48\u8fd9\u4e2a\u5916\u90e8\u5bf9\u8c61\u662f\u4e0d\u53ef\u56de\u6536\u7684\uff0c\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u9732\u7684\u95ee\u9898<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u4e00\u4e9bclose\u7684\u8d44\u6e90\u672a\u5173\u95ed --------- \u6570\u636e\u5e93\u8fde\u63a5\uff0c\u7f51\u7edc\u8fde\u63a5\u548cio\u8fde\u63a5\u5fc5\u987b\u624b\u52a8\u7684close,\u5426\u5219\u4e0d\u80fd\u88ab\u56de\u6536\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4 style=\"font-size: 1em; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-weight: bold; margin: 2em 8px 0.5em; color: #0f4c81;\">SWT\uff08stop the word\uff09<\/h4>\n<ul class=\"list-paddingleft-1\" style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; padding-left: 1em; list-style: circle; color: #3f3f3f;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022 Stop The Word --------- \u6307\u7684\u662f\u53d1\u751fGC\u7684\u65f6\u5019\uff0c\u4f1a\u4ea7\u751f\u7a0b\u5e8f\u7684\u505c\u987f\u3002\u505c\u987f\u65f6\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u90fd\u4f1a\u88ab\u6682\u505c,\u6ca1\u6709\u4efb\u4f55\u54cd\u5e94\uff0c\u5c31\u548c\u5361\u6b7b\u4e86\u4e00\u6837\uff1b<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u53ef\u8fbe\u6027\u5206\u6790\u7b97\u6cd5\u4e2d\u679a\u4e3e\u6839\u8282\u70b9(GC Roots)\u4f1a\u5bfc\u81f4\u6240\u6709\u7684Java\u6267\u884c\u7684\u7ebf\u7a0b\u505c\u987f\n<ul class=\"list-paddingleft-1\" style=\"line-height: 1.75; padding-left: 1em; list-style-position: initial; list-style-image: initial;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u5206\u6790\u5de5\u4f5c\u5fc5\u987b\u4fdd\u8bc1\u5728\u4e00\u4e2a\u80fd\u786e\u4fdd\u4e00\u81f4\u6027\u7684\u5feb\u7167\u4e2d\u8fdb\u884c<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u4e00\u81f4\u6027\u6307\u7684\u662f\u6574\u4e2a\u5206\u6790\u671f\u95f4\u6267\u884c\u7cfb\u7edf\u770b\u8d77\u6765\u50cf\u88ab\u51bb\u7ed3\u5728\u67d0\u4e2a\u65f6\u95f4\u70b9\u4e0a\u9762<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u5982\u679c\u51fa\u73b0\u5206\u6790\u8fc7\u7a0b\u4e2d\u5bf9\u8c61\u5f15\u7528\u5173\u7cfb\u7684\u4e0d\u65ad\u53d8\u5316\u5219\u5206\u6790\u7ed3\u679c\u7684\u51c6\u786e\u6027\u65e0\u6cd5\u88ab\u786e\u4fdd<\/li>\n<\/ul>\n<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0SWT\u4e0e\u54ea\u6b3eGC\u65e0\u5173\uff0c\u6240\u6709GC\u90fd\u4f1a\u6709\u8fd9\u4e2a\u4e8b\u4ef6<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0STW\u662fJVM\u5728\u540e\u53f0\u81ea\u52a8\u5b8c\u6210\u7684\uff0c\uff0c\u5728\u7528\u6237\u4e0d\u53ef\u89c1\u7684\u60c5\u51b5\u4e0b\uff0c\u5c06\u7528\u6237\u7684\u6240\u6709\u7ebf\u7a0b\u505c\u6b62<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u4e0d\u8981\u4f7f\u7528<code style=\"white-space: pre-wrap; line-height: 1.75; font-size: 12.6px; color: #dd1144; background: rgba(27, 31, 35, 0.05); padding: 3px 5px; border-radius: 4px;\">System.gc()<\/code>\u00a0,\u4f1a\u5bfc\u81f4SWT\u7684\u4ea7\u751f<\/li>\n<\/ul>\n<h4 style=\"font-size: 1em; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-weight: bold; margin: 2em 8px 0.5em; color: #0f4c81;\">\u5e76\u884c\u4e0e\u5e76\u53d1<\/h4>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u5e76\u884c\uff1a\u540c\u65f6\u6267\u884c<\/p>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u5e76\u53d1\uff1a\u589e\u62a2\u7ebf\u7a0b\u524d\u540e\u6267\u884c<\/p>\n<h4 style=\"font-size: 1em; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-weight: bold; margin: 2em 8px 0.5em; color: #0f4c81;\">\u5b89\u5168\u70b9<\/h4>\n<ul class=\"list-paddingleft-1\" style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; padding-left: 1em; list-style: circle; color: #3f3f3f;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u7a0b\u5e8f\u5e76\u975e\u6240\u6709\u5730\u65b9\u90fd\u80fd\u505c\u4e0b\u6765\u8fdb\u884cGC\uff0c\u53ea\u6709\u5728\u7279\u5b9a\u4f4d\u7f6e\u624d\u80fd\u505c\u4e0b\u6765GC\uff0c\u8fd9\u4e9b\u4f4d\u7f6e\u5c31\u79f0\u4e4b\u4e3a\u5b89\u5168\u70b9<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u5b89\u5168\u70b9\u9009\u62e9\u5f88\u91cd\u8981\uff0c\u5982\u679c\u592a\u5c11\u4f1a\u5bfc\u81f4GC\u7b49\u5f85\u65f6\u95f4\u592a\u957f\uff0c\u5982\u679c\u592a\u9891\u7e41\u4f1a\u5bfc\u81f4\u6027\u80fd\u95ee\u9898<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u4f1a\u9009\u62e9\u6267\u884c\u65f6\u95f4\u957f\u7684\u6307\u4ee4\u4f5c\u4e3a\u5b89\u5168\u70b9\uff0c\u5982\u65b9\u6cd5\u8c03\u7528\uff0c\u5faa\u73af\u8df3\u8f6c\u548c\u5f02\u5e38\u8df3\u8f6c\u7b49<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u5982\u4f55\u5224\u65ad\u53d1\u751fGC\u65f6\uff0c\u7ebf\u7a0b\u90fd\u8dd1\u5230\u6700\u8fd1\u7684\u5b89\u5168\u70b9\u505c\u987f\u4e0b\u6765\u5462\n<ul class=\"list-paddingleft-1\" style=\"line-height: 1.75; padding-left: 1em; list-style-position: initial; list-style-image: initial;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u62a2\u5148\u5f0f\u4e2d\u65ad(\u76ee\u524d\u4e0d\u91c7\u7528\u4e86)<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u4e3b\u52a8\u5f0f\u4e2d\u65ad<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4 style=\"font-size: 1em; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-weight: bold; margin: 2em 8px 0.5em; color: #0f4c81;\">\u5b89\u5168\u533a\u57df<\/h4>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u6307\u4e00\u6bb5\u4ee3\u7801\u4e2d\uff0c\u5bf9\u8c61\u7684\u5f15\u7528\u5173\u7cfb\u4e0d\u4f1a\u53d1\u751f\u53d8\u5316\uff0c\u8fd9\u4e2a\u4f4d\u7f6e\u4e2d\u4efb\u4f55\u4f4d\u7f6e\u5f00\u59cbGC\u90fd\u662f\u5b89\u5168\u7684<\/p>\n<h4 style=\"font-size: 1em; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-weight: bold; margin: 2em 8px 0.5em; color: #0f4c81;\">\u5f15\u7528<\/h4>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u6211\u4eec\u5e0c\u671b\u8fd9\u6837\u4e00\u7c7b\u5bf9\u8c61\uff0c\u5f53\u5185\u5b58\u7a7a\u95f4\u8db3\u591f\u65f6\uff0c\u5982\u679c\u5185\u5b58\u7a7a\u95f4\u8fdb\u884c\u4e86\u5783\u573e\u56de\u6536\u4f9d\u65e7\u8fd8\u662f\u5f88\u7d27\u5f20\uff0c\u5219\u53ef\u4ee5\u629b\u5f03\u8fd9\u4e9b\u5bf9\u8c61 ------ \u5f88\u591a\u7cfb\u7edf\u7684\u7f13\u5b58\u529f\u80fd\u90fd\u7b26\u5408\u8fd9\u6837\u7684\u5e94 \u7528\u573a\u666f\u3002<\/p>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u5bf9\u5e94\u7684\u5bf9\u8c61\uff1a<\/p>\n<p><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" style=\"color: #000000; font-family: 'PingFang SC'; font-size: 14px; text-align: start; white-space: normal;\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050251371.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-ratio=\"0.49504950495049505\" data-type=\"png\" data-w=\"606\" \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img\" style=\"color: #000000; font-family: 'PingFang SC'; font-size: 14px; text-align: start; white-space: normal;\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050251371.png\" data-ratio=\"0.49504950495049505\" data-type=\"png\" data-w=\"606\" \/><\/noscript><\/p>\n<h4 style=\"font-size: 1em; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-weight: bold; margin: 2em 8px 0.5em; color: #0f4c81;\">\u5f3a\u5f15\u7528(Strang Reference)<\/h4>\n<ul class=\"list-paddingleft-1\" style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; padding-left: 1em; list-style: circle; color: #3f3f3f;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u4f20\u7edf\u7684\u5f15\u7528\u65b9\u5f0f\uff0c\u65e0\u8bba\u4efb\u4f55\u60c5\u51b5\u4e0b\uff0c\u53ea\u8981\u5f15\u7528\u5173\u7cfb\u8fd8\u5b58\u5728,\u5783\u573e\u56de\u6536\u5c31\u4e0d\u4f1a\u56de\u6536\u6389\u88ab\u5f15\u7528\u7684\u5bf9\u8c61(\u6307\u7684\u662f\u53ef\u8fbe\u6027\u5206\u6790\u4e2d\u88ab\u6807\u8bb0\u4e3a\u4e0d\u662f\u5783\u573e\u7684\u5bf9\u8c61)<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022 java\u4e2d\u6700\u5e38\u89c1\u7684\u5f15\u7528\u7c7b\u578b\u5c31\u662f\u5f3a\u5f15\u7528(99%\u4ee5\u4e0a\u90fd\u662f)\uff0c \u4e5f\u662f\u9ed8\u8ba4\u7684\u5f15\u7528\u7c7b\u578b\u3002<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u5f3a\u5f15\u7528\u5bf9\u8c61\u662f\u53ef\u89e6\u53ca\u7684\uff0c\u5783\u573e\u56de\u6536\u5668\u6c38\u8fdc\u4e0d\u4f1a\u56de\u6536\u88ab\u5f15\u7528\u7684\u5bf9\u8c61<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u5f3a\u5f15\u7528\u6240\u6307\u5411\u7684\u5bf9\u8c61\u5728\u4efb\u4f55\u65f6\u5019\u90fd\u4e0d\u4f1a\u88ab\u7cfb\u7edf\u56de\u6536\uff0c\u865a\u62df\u673a\u5b81\u613f\u62a5OOM,\u4e5f\u4e0d\u4f1a\u56de\u6536\u5f3a\u5f15\u7528\u6307\u5411\u7684\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u4f8b\u5982\uff1a<\/p>\n<pre style=\"color: #abb2bf; background: #282c34; font-size: 14px; text-align: left; line-height: 1.5; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; overflow-x: auto; border-radius: 8px; padding: 1em; margin: 10px 8px;\"><code style=\"line-height: 1.75; font-family: Menlo, 'Operator Mono', Consolas, Monaco, monospace; white-space: nowrap;\"><span style=\"color: #d19a66;\">StringBuffer<\/span>\u00a0<span style=\"color: #d19a66;\">str<\/span>\u00a0=\u00a0<span style=\"color: #c678dd;\">new<\/span>\u00a0<span style=\"color: #e6c07b;\">StringBuffer<\/span>(<span style=\"color: #98c379;\">\"Hello\u00a0Word\"<\/span>);<\/code><\/pre>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u5c40\u90e8\u53d8\u91cfstr\u6307\u5411StringBuffer\u5b9e\u4f8b\u6240\u5728\u5806\u7a7a\u95f4\uff0c\u901a\u8fc7str\u53ef\u4ee5\u64cd\u4f5c\u8be5\u5b9e\u4f8b\uff0c\u90a3\u4e48str\u5c31\u662fStr ingBuffer\u5b9e\u4f8b\u7684\u5f3a\u5f15\u7528\u3002<\/p>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u5bf9\u5e94\u7684\u5185\u5b58\u7ed3\u6784\uff1a<\/p>\n<p><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" style=\"color: #000000; font-family: 'PingFang SC'; font-size: 14px; text-align: start; white-space: normal;\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050252293.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-ratio=\"0.3088235294117647\" data-type=\"png\" data-w=\"680\" \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img\" style=\"color: #000000; font-family: 'PingFang SC'; font-size: 14px; text-align: start; white-space: normal;\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050252293.png\" data-ratio=\"0.3088235294117647\" data-type=\"png\" data-w=\"680\" \/><\/noscript><\/p>\n<h4 style=\"font-size: 1em; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-weight: bold; margin: 2em 8px 0.5em; color: #0f4c81;\">\u8f6f\u5f15\u7528(Soft Reference)<\/h4>\n<ul class=\"list-paddingleft-1\" style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; padding-left: 1em; list-style: circle; color: #3f3f3f;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u5f53\u7cfb\u7edf\u5c06\u8981\u53d1\u751f\u5185\u5b58\u6ea2\u51fa\u4e4b\u524d\uff0c\u5c06\u8fd9\u4e9b\u5bf9\u8c61\u5217\u5165\u56de\u6536\u5bf9\u8c61\u8fdb\u884c\u4e8c\u6b21\u56de\u6536\uff0c\u56de\u6536\u540e\u8fd8\u6ca1\u6709\u8db3\u591f\u7684\u5185\u5b58\uff0c\u624d\u629b\u51faOOM\u5f02\u5e38\uff08\u6307\u7684\u662f\u53ef\u8fbe\u6027\u5206\u6790\u4e2d\u88ab\u6807\u8bb0\u4e3a\u4e0d\u662f\u5783\u573e\u7684\u5bf9\u8c61)<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u5185\u5b58\u4e0d\u8db3\u53ca\u56de\u6536<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u8f6f\u5f15\u7528\u901a\u5e38\u7528\u6765\u5b9e\u73b0\u5185\u5b58\u654f\u611f\u7684\u7f13\u5b58\uff0c\u6bd4\u5982\u9ad8\u901f\u7f13\u5b58\u5c31\u7528\u5230\u4e86\u8f6f\u5f15\u7528\u3002\u5982\u679c\u8fd8\u6709\u7a7a\u95f2\u7684\u5185\u5b58\uff0c\u5c31\u4fdd\u7559\u7f13\u5b58\uff0c\u5f53\u5185\u5b58\u4e0d\u8db3\u5c31\u6e05\u7406\u6389\u3002<\/li>\n<\/ul>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u5728<code style=\"white-space: pre-wrap; line-height: 1.75; font-size: 12.6px; color: #dd1144; background: rgba(27, 31, 35, 0.05); padding: 3px 5px; border-radius: 4px;\">JDK 1.2<\/code>\u7248\u4e4b\u540e\u63d0\u4f9b\u4e86<code style=\"white-space: pre-wrap; line-height: 1.75; font-size: 12.6px; color: #dd1144; background: rgba(27, 31, 35, 0.05); padding: 3px 5px; border-radius: 4px;\">java.lang.ref.SoftReference<\/code>\u7c7b\u6765\u5b9e\u73b0\u8f6f\u5f15\u7528\u3002<\/p>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u4f8b\u5982\uff1a<\/p>\n<pre style=\"color: #abb2bf; background: #282c34; font-size: 14px; text-align: left; line-height: 1.5; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; overflow-x: auto; border-radius: 8px; padding: 1em; margin: 10px 8px;\"><code style=\"line-height: 1.75; font-family: Menlo, 'Operator Mono', Consolas, Monaco, monospace; white-space: nowrap;\"><span style=\"color: #d19a66;\">Object<\/span>\u00a0<span style=\"color: #d19a66;\">obj<\/span>\u00a0=\u00a0<span style=\"color: #c678dd;\">new<\/span>\u00a0<span style=\"color: #e6c07b;\">Object<\/span>();<span style=\"color: #5c6370; font-style: italic;\">\/\/\u58f0\u660e\u4e3a\u5f3a\u5f15\u7528<\/span>\nSoftReference&lt;Object&gt;\u00a0softReference\u00a0=\u00a0<span style=\"color: #c678dd;\">new<\/span>\u00a0<span style=\"color: #e6c07b;\">SoftReference<\/span>&lt;&gt;(obj);\nobj\u00a0=\u00a0<span style=\"color: #56b6c2;\">null<\/span>;<span style=\"color: #5c6370; font-style: italic;\">\/\/\u6467\u6bc1\u5f3a\u5f15\u7528<\/span><\/code><\/pre>\n<h4 style=\"font-size: 1em; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-weight: bold; margin: 2em 8px 0.5em; color: #0f4c81;\">\u5f31\u5f15\u7528(Weak Reference)<\/h4>\n<ul class=\"list-paddingleft-1\" style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; padding-left: 1em; list-style: circle; color: #3f3f3f;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u88ab\u5f31\u5f15\u7528\u5f15\u7528\u7684\u5bf9\u8c61\u53ea\u5b58\u6d3b\u5230\u4e0b\u4e00\u6b21\u5783\u573e\u8857\u56de\u6536\u4e4b\u524d\uff0c \u5f53\u5783\u573e\u6536\u96c6\u5668\u5de5\u4f5c\u65f6\uff0c\u65e0\u8bba\u7a7a\u95f4\u662f\u5426\u8db3\u591f\uff0c\u90fd\u4f1a\u56de\u6536\u6389\u88ab\u5f15\u7528\u7684\u5bf9\u8c61<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u53d1\u73b0\u5373\u56de\u6536<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u88ab\u5f31\u5f15\u7528\u5173\u8054\u7684\u5bf9\u8c61\u53ea\u80fd\u751f\u5b58\u5230\u4e0b\u4e00\u6b21\u5783\u573e\u6536\u96c6\u53d1\u751f\u4e3a\u6b62\u3002\u5728\u7cfb\u7edfGC\u65f6\uff0c\u53ea\u8981\u53d1\u73b0\u5f31\u5f15\u7528\uff0c\u4e0d\u7ba1\u7cfb\u7edf\u7a7a\u95f4\u662f\u5426\u5145\u8db3\uff0c\u90fd\u4f1a\u56de\u6536\u6389\u88ab\u5f31\u5f15\u7528\u5173\u8054\u7684\u5bf9\u8c61<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u8f6f\u5f15\u7528\u548c\u5f31\u5f15\u7528\u90fd\u9002\u5408\u6765\u4fdd\u5b58\u4e00\u4e9b\u53ef\u6709\u53ef\u65e0\u7684\u7f13\u5b58<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u5f31\u5f15\u7528\u5bf9\u8c61\u4e0e\u8f6f\u5f15\u7528\u5bf9\u8c61\u7684\u6700\u5927\u4e0d\u540c\u5c31\u5728\u4e8e\uff0c\u5f53GC\u5728\u8fdb\u884c\u56de\u6536\u65f6\uff0c\u9700\u8981\u901a\u8fc7\u7b97\u6cd5\u68c0\u67e5\u662f\u5426\u56de\u6536\u8f6f\u5f15\u7528\u5bf9\u8c61\uff0c\u800c\u5bf9\u4e8e\u5f31\u5f15\u7528\u5bf9\u8c61\uff0cGC\u603b\u662f\u8fdb\u884c\u56de\u6536\u3002\u5f31\u5f15\u7528\u5bf9\u8c61\u66f4\u5bb9\u6613\u3001\u66f4\u5feb\u88abGC\u56de\u6536\u3002<\/li>\n<\/ul>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u5728<code style=\"white-space: pre-wrap; line-height: 1.75; font-size: 12.6px; color: #dd1144; background: rgba(27, 31, 35, 0.05); padding: 3px 5px; border-radius: 4px;\">JDK 1. 2<\/code>\u7248\u4e4b\u540e\u63d0\u4f9b\u4e86<code style=\"white-space: pre-wrap; line-height: 1.75; font-size: 12.6px; color: #dd1144; background: rgba(27, 31, 35, 0.05); padding: 3px 5px; border-radius: 4px;\">java.lang.ref.WeakReference<\/code>\u7c7b\u6765\u5b9e\u73b0\u5f31\u5f15\u7528\u3002<\/p>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u4f8b\u5982\uff1a<\/p>\n<pre style=\"color: #abb2bf; background: #282c34; font-size: 14px; text-align: left; line-height: 1.5; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; overflow-x: auto; border-radius: 8px; padding: 1em; margin: 10px 8px;\"><code style=\"line-height: 1.75; font-family: Menlo, 'Operator Mono', Consolas, Monaco, monospace; white-space: nowrap;\"><span style=\"color: #d19a66;\">Object<\/span>\u00a0<span style=\"color: #d19a66;\">obj<\/span>\u00a0=\u00a0<span style=\"color: #c678dd;\">new<\/span>\u00a0<span style=\"color: #e6c07b;\">Object<\/span>();\nWeakReference&lt;Object&gt;\u00a0softReference\u00a0=\u00a0<span style=\"color: #c678dd;\">new<\/span>\u00a0<span style=\"color: #e6c07b;\">WeakReference<\/span>&lt;&gt;(obj);\nobj\u00a0=\u00a0<span style=\"color: #56b6c2;\">null<\/span>;<\/code><\/pre>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u9762\u8bd5\u9898:\u4f60\u5f00\u53d1\u4e2d\u4f7f\u7528\u8fc7<code style=\"white-space: pre-wrap; line-height: 1.75; font-size: 12.6px; color: #dd1144; background: rgba(27, 31, 35, 0.05); padding: 3px 5px; border-radius: 4px;\">WeakHashMap<\/code>\u5417?<\/p>\n<h4 style=\"font-size: 1em; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-weight: bold; margin: 2em 8px 0.5em; color: #0f4c81;\">\u865a\u5f15\u7528(Phantom Reference)<\/h4>\n<ul class=\"list-paddingleft-1\" style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; padding-left: 1em; list-style: circle; color: #3f3f3f;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u4e00\u4e2a\u5bf9\u8c61\u662f\u5426\u6709\u865a\u5f15\u7528\u7684\u5b58\u5728\uff0c\u5b8c\u5168\u4e0d\u4f1a\u5bf9\u5176\u751f\u5b58\u65f6\u95f4\u9020\u6210\u5f71\u54cd\uff0c\u4e5f\u65e0\u6cd5\u901a\u8fc7\u865a\u5f15\u7528\u6765\u83b7\u5f97\u4e00\u4e2a\u5bf9\u8c61\u7684\u5b9e\u4f8b\u3002\u4e3a\u4e00\u4e2a\u5bf9\u8c61\u8bbe\u7f6e \u865a\u5f15\u7528\u5173\u8054\u7684\u552f\u4e00\u76ee\u7684\u5c31\u662f\u80fd\u591f\u5728\u8fd9\u4e2a\u5bf9\u8c61\u88ab\u6536\u96c6\u5668\u56de\u6536\u65f6\u6536\u5230\u4e00\u4e2a\u7cfb\u7edf\u901a\u77e5\u3002<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u5bf9\u8c61\u56de\u6536\u8ddf\u8e2a<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u865a\u5f15\u7528\u5fc5\u987b\u548c\u5f15\u7528\u961f\u5217\u4e00\u8d77\u4f7f\u7528\u3002\u865a\u5f15\u7528\u5728\u521b\u5efa\u65f6\u5fc5\u9700\u63d0\u4f9b\u4e00\u4e2a\u5f15\u7528\u961f\u5217\u4f5c\u4e3a\u53c2\u6570\uff0c \u5f53\u5783\u573e\u56de\u6536\u5668\u51c6\u5907\u56de\u6536\u4e00\u4e2a\u5bf9\u8c61\u65f6\uff0c \u53d1\u73b0\u4ed6\u8fd8\u6709\u865a\u5f15\u7528\uff0c\u5c31\u4f1a\u5728\u56de\u6536\u5bf9\u8c61\u540e\uff0c\u5c06\u865a\u62df\u5f15\u7528\u52a0\u5165\u5f15\u7528\u961f\u5217\uff0c\u5df2\u901a\u77e5\u5e94\u7528\u7a0b\u5e8f\u7684\u56de\u6536\u60c5\u51b5\u3002<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u7531\u4e8e\u865a\u5f15\u7528\u53ef\u4ee5\u8ddf\u8e2a\u5bf9\u8c61\u7684\u56de\u6536\u65f6\u95f4\uff0c\u6240\u4ee5\u4e5f\u53ef\u4ee5\u5c06\u8d44\u6e90\u91ca\u653e\u7684\u4e00\u4e9b\u64cd\u4f5c\u653e\u7f6e\u5728\u865a\u5f15\u7528\u4e2d\u6267\u884c\u548c\u8bb0\u5f55<\/li>\n<\/ul>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u5728JDK 1. 2\u7248\u4e4b\u540e\u63d0\u4f9b\u4e86PhantomRe ference\u7c7b\u6765\u5b9e\u73b0\u865a\u5f15\u7528\u3002<\/p>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u4f8b\u5982\uff1a<\/p>\n<pre style=\"color: #abb2bf; background: #282c34; font-size: 14px; text-align: left; line-height: 1.5; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; overflow-x: auto; border-radius: 8px; padding: 1em; margin: 10px 8px;\"><code style=\"line-height: 1.75; font-family: Menlo, 'Operator Mono', Consolas, Monaco, monospace; white-space: nowrap;\"><span style=\"color: #d19a66;\">Object<\/span>\u00a0<span style=\"color: #d19a66;\">obj<\/span>\u00a0=\u00a0<span style=\"color: #c678dd;\">new<\/span>\u00a0<span style=\"color: #e6c07b;\">Object<\/span>();\n<span style=\"color: #d19a66;\">ReferenceQueue<\/span>\u00a0<span style=\"color: #d19a66;\">referenceQueue<\/span>\u00a0=\u00a0<span style=\"color: #c678dd;\">new<\/span>\u00a0<span style=\"color: #e6c07b;\">ReferenceQueue<\/span>();\nPhantomReference&lt;Object&gt;\u00a0phantomReference\u00a0=\u00a0<span style=\"color: #c678dd;\">new<\/span>\u00a0<span style=\"color: #e6c07b;\">PhantomReference<\/span>&lt;Object&gt;(obj,\u00a0referenceQueue);\nobj\u00a0=\u00a0<span style=\"color: #56b6c2;\">null<\/span>;<\/code><\/pre>\n<h4 style=\"font-size: 1em; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-weight: bold; margin: 2em 8px 0.5em; color: #0f4c81;\">\u7ec8\u7ed3\u5f15\u7528(Final Reference)<\/h4>\n<ul class=\"list-paddingleft-1\" style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; padding-left: 1em; list-style: circle; color: #3f3f3f;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u4ed6\u7528\u4ee5\u73b0\u5b9e\u5bf9\u8c61\u7684finalize()\u65b9\u6cd5\uff0c\u4e5f\u53ef\u4ee5\u79f0\u4e4b\u4e3a\u7ec8\u7ed3\u5f15\u7528<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u65e0\u9700\u624b\u52a8\u7f16\u7801\uff0c\u914d\u5408\u5f15\u7528\u961f\u5217\u4f7f\u7528<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u5728GC\u65f6\uff0c\u7ec8\u7ed3\u5668\u5f15\u7528\u961f\u5217<\/li>\n<\/ul>\n<h4 style=\"font-size: 1em; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-weight: bold; margin: 2em 8px 0.5em; color: #0f4c81;\">finalize<\/h4>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\"><code style=\"white-space: pre-wrap; line-height: 1.75; font-size: 12.6px; color: #dd1144; background: rgba(27, 31, 35, 0.05); padding: 3px 5px; border-radius: 4px;\">finalize()<\/code>\u662fObject\u7c7b\u7684\u4e00\u4e2a\u65b9\u6cd5\uff0c\u4e00\u4e2a\u5bf9\u8c61\u91cd\u5199\u8be5\u65b9\u6cd5\u5c06\u4f1a\u5728\u5783\u573e\u56de\u6536\u4e4b\u524d\u6267\u884c\uff0cfinalize()\u65b9\u6cd5\u662f\u5bf9\u8c61\u9003\u8131\u6b7b\u4ea1\u547d\u8fd0\u7684\u6700\u540e\u4e00\u6b21\u673a\u4f1a\uff0c\u4f46\u662f\uff0c\u8be5\u65b9\u6cd5\u53ea\u4f1a\u6267\u884c\u4e00\u6b21\u3002<\/p>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u53ef\u8fbe\u6027\u5206\u6790\u7b97\u6cd5\u4e2d\u5224\u5b9a\u4e3a\u4e0d\u53ef\u8fbe\u7684\u5bf9\u8c61\uff0c\u4e5f\u4e0d\u662f\u201c\u975e\u6b7b\u4e0d\u53ef\u201d\u7684\uff0c\u8fd9\u65f6\u5019\u5b83\u4eec\u6682\u65f6\u8fd8\u5904\u4e8e\u201c\u7f13\u5211\u201d\u9636\u6bb5\uff0c\u8981\u771f\u6b63\u5ba3\u544a\u4e00\u4e2a\u5bf9\u8c61\u6b7b\u4ea1\uff0c\u81f3\u5c11\u8981\u7ecf\u5386\u4e24\u6b21\u6807\u8bb0\u8fc7\u7a0b:<\/p>\n<ul class=\"list-paddingleft-1\" style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; padding-left: 1em; list-style: circle; color: #3f3f3f;\">\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u5bf9\u8c61\u5728\u8fdb\u884c\u53ef\u8fbe\u6027\u5206\u6790\u540e\u53d1\u73b0\u6ca1 \u6709\u4e0eGC Roots\u76f8\u8fde\u63a5\u7684\u5f15\u7528\u94fe\uff0c\u90a3\u5b83\u5c06\u4f1a\u88ab\u7b2c\u4e00\u6b21\u6807\u8bb0<\/li>\n<li style=\"text-align: left; line-height: 1.75; text-indent: -1em; display: block; margin: 0.2em 8px;\">\u2022\u00a0\u901a\u8fc7\u7b2c\u4e00\u6b21\u6807\u8bb0\u4e4b\u540e\uff0c\u4f1a\u518d\u8fdb\u884c\u4e00\u6b21\u7b5b\u9009\uff0c\u7b5b\u9009\u7684\u6761\u4ef6\u662f\u6b64\u5bf9\u8c61\u662f \u5426\u6709\u5fc5\u8981\u6267\u884cfinalize()\u65b9\u6cd5\u3002\u5047\u5982\u5bf9\u8c61\u6ca1\u6709\u8986\u76d6finalize()\u65b9\u6cd5\uff0c\u6216\u8005finalize()\u65b9\u6cd5\u5df2\u7ecf\u88ab\u865a\u62df\u673a\u8c03\u7528 \u8fc7\uff0c\u90a3\u4e48\u865a\u62df\u673a\u5c06\u8fd9\u4e24\u79cd\u60c5\u51b5\u90fd\u89c6\u4e3a\u201c\u6ca1\u6709\u5fc5\u8981\u6267\u884c\u201d\u3002<\/li>\n<\/ul>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u4ee3\u7801\u793a\u4f8b\u5bf9\u8c61\u4e00\u6b21\u81ea\u6211\u62ef\u6551\u7684\u6f14\u793a\uff1a<\/p>\n<pre style=\"color: #abb2bf; background: #282c34; font-size: 14px; text-align: left; line-height: 1.5; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; overflow-x: auto; border-radius: 8px; padding: 1em; margin: 10px 8px;\"><code style=\"line-height: 1.75; font-family: Menlo, 'Operator Mono', Consolas, Monaco, monospace; white-space: nowrap;\"><span style=\"color: #c678dd;\">public<\/span>\u00a0<span style=\"color: #c678dd;\">class<\/span>\u00a0<span style=\"color: #e6c07b;\">FinalizeEscapeGC<\/span>\u00a0{\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd;\">public<\/span>\u00a0<span style=\"color: #c678dd;\">static<\/span>\u00a0<span style=\"color: #d19a66;\">FinalizeEscapeGC<\/span>\u00a0<span style=\"color: #d19a66;\">SAVE_HOOK<\/span>\u00a0=\u00a0<span style=\"color: #56b6c2;\">null<\/span>;\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd;\">public<\/span>\u00a0<span style=\"color: #c678dd;\">void<\/span>\u00a0<span style=\"color: #61aeee;\">isAlive<\/span>()\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(<span style=\"color: #98c379;\">\"yes,\u00a0i\u00a0am\u00a0still\u00a0alive\u00a0:)\"<\/span>);\n\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee;\">@Override<\/span>\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd;\">protected<\/span>\u00a0<span style=\"color: #c678dd;\">void<\/span>\u00a0<span style=\"color: #61aeee;\">finalize<\/span>()\u00a0<span style=\"color: #c678dd;\">throws<\/span>\u00a0Throwable\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #e6c07b;\">super<\/span>.finalize();\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(<span style=\"color: #98c379;\">\"finalize\u00a0method\u00a0executed!\"<\/span>);\u00a0FinalizeEscapeGC.SAVE_HOOK\u00a0=\u00a0<span style=\"color: #e6c07b;\">this<\/span>;\n\u00a0\u00a0\u00a0\u00a0}\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd;\">public<\/span>\u00a0<span style=\"color: #c678dd;\">static<\/span>\u00a0<span style=\"color: #c678dd;\">void<\/span>\u00a0<span style=\"color: #61aeee;\">main<\/span>(String[]\u00a0args)\u00a0<span style=\"color: #c678dd;\">throws<\/span>\u00a0Throwable\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0SAVE_HOOK\u00a0=\u00a0<span style=\"color: #c678dd;\">new<\/span>\u00a0<span style=\"color: #e6c07b;\">FinalizeEscapeGC<\/span>();\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic;\">\/\/\u5bf9\u8c61\u7b2c\u4e00\u6b21\u6210\u529f\u62ef\u6551\u81ea\u5df1<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0SAVE_HOOK\u00a0=\u00a0<span style=\"color: #56b6c2;\">null<\/span>;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.gc();\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic;\">\/\/\u00a0\u56e0\u4e3aFinalizer\u65b9\u6cd5\u4f18\u5148\u7ea7\u5f88\u4f4e\uff0c\u6682\u505c0.5\u79d2\uff0c\u4ee5\u7b49\u5f85\u5b83<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Thread.sleep(<span style=\"color: #d19a66;\">500<\/span>);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd;\">if<\/span>\u00a0(SAVE_HOOK\u00a0!=\u00a0<span style=\"color: #56b6c2;\">null<\/span>)\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0SAVE_HOOK.isAlive();\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0<span style=\"color: #c678dd;\">else<\/span>\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(<span style=\"color: #98c379;\">\"no,\u00a0i\u00a0am\u00a0dead\u00a0:(\"<\/span>);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic;\">\/\/\u00a0\u4e0b\u9762\u8fd9\u6bb5\u4ee3\u7801\u4e0e\u4e0a\u9762\u7684\u5b8c\u5168\u76f8\u540c\uff0c\u4f46\u662f\u8fd9\u6b21\u81ea\u6551\u5374\u5931\u8d25\u4e86<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0SAVE_HOOK\u00a0=\u00a0<span style=\"color: #56b6c2;\">null<\/span>;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.gc();\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic;\">\/\/\u00a0\u56e0\u4e3aFinalizer\u65b9\u6cd5\u4f18\u5148\u7ea7\u5f88\u4f4e\uff0c\u6682\u505c0.5\u79d2\uff0c\u4ee5\u7b49\u5f85\u5b83<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Thread.sleep(<span style=\"color: #d19a66;\">500<\/span>);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd;\">if<\/span>\u00a0(SAVE_HOOK\u00a0!=\u00a0<span style=\"color: #56b6c2;\">null<\/span>)\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0SAVE_HOOK.isAlive();\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0<span style=\"color: #c678dd;\">else<\/span>\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(<span style=\"color: #98c379;\">\"no,\u00a0i\u00a0am\u00a0dead\u00a0:(\"<\/span>);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0}\n}<\/code><\/pre>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n<pre style=\"color: #abb2bf; background: #282c34; font-size: 14px; text-align: left; line-height: 1.5; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; overflow-x: auto; border-radius: 8px; padding: 1em; margin: 10px 8px;\"><code style=\"line-height: 1.75; font-family: Menlo, 'Operator Mono', Consolas, Monaco, monospace; white-space: nowrap;\">finalize\u00a0method\u00a0executed!\nyes,\u00a0i\u00a0am\u00a0still\u00a0alive\u00a0:)\nno,\u00a0i\u00a0am\u00a0dead\u00a0:(<\/code><\/pre>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u4ece\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\u770b\u89c1\uff0c<code style=\"white-space: pre-wrap; line-height: 1.75; font-size: 12.6px; color: #dd1144; background: rgba(27, 31, 35, 0.05); padding: 3px 5px; border-radius: 4px;\">System.gc();<\/code>\u89e6\u53d1\u4e86\u5783\u573e\u56de\u6536\u5668\uff0c\u5e76\u5728\u7b2c\u4e00\u6b21\u56de\u6536\u8fc7\u7a0b\u4e2d\u8c03\u7528\u4e86<code style=\"white-space: pre-wrap; line-height: 1.75; font-size: 12.6px; color: #dd1144; background: rgba(27, 31, 35, 0.05); padding: 3px 5px; border-radius: 4px;\">finalize()<\/code>\u65b9\u6cd5\uff0c\u800c\u4e14\u5728\u7b2c\u4e00\u6b21\u4e2d\u6210\u529f\u7684\u9003\u8131\u4e86\uff0c\u4f46\u662f\u5728\u7b2c\u4e8c\u6b21\u6267\u884c<code style=\"white-space: pre-wrap; line-height: 1.75; font-size: 12.6px; color: #dd1144; background: rgba(27, 31, 35, 0.05); padding: 3px 5px; border-radius: 4px;\">System.gc();<\/code>\u89e6\u53d1\u5783\u573e\u56de\u6536\u5668\u540e\u5e76\u6ca1\u6709\u6267\u884c<code style=\"white-space: pre-wrap; line-height: 1.75; font-size: 12.6px; color: #dd1144; background: rgba(27, 31, 35, 0.05); padding: 3px 5px; border-radius: 4px;\">finalize()<\/code>\u65b9\u6cd5\uff0c\u5e76\u81ea\u6551\u5931\u8d25\u3002\u5f88\u597d\u7684\u8bf4\u660e\u4e86<code style=\"white-space: pre-wrap; line-height: 1.75; font-size: 12.6px; color: #dd1144; background: rgba(27, 31, 35, 0.05); padding: 3px 5px; border-radius: 4px;\">finalize()<\/code>\u65b9\u6cd5\u53ea\u4f1a\u6267\u884c\u4e00\u6b21\u3002<\/p>\n<p style=\"font-size: 14px; white-space: normal; text-align: left; line-height: 1.75; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin: 1.5em 8px; letter-spacing: 0.1em; color: #3f3f3f;\">\u6ce8\u610f\uff1a\u5e76\u4e0d\u5efa\u8bae\u91cd\u5199<code style=\"white-space: pre-wrap; line-height: 1.75; font-size: 12.6px; color: #dd1144; background: rgba(27, 31, 35, 0.05); padding: 3px 5px; border-radius: 4px;\">finalize()<\/code>\u6765\u8fdb\u884c\u5783\u573e\u56de\u6536\u4e4b\u524d\u7684\u5904\u7406\u3002\u5b83\u7684\u8fd0\u884c\u4ee3\u4ef7\u9ad8\u6602\uff0c\u4e0d\u786e\u5b9a\u6027\u5927\uff0c\u65e0\u6cd5\u4fdd\u8bc1\u5404\u4e2a\u5bf9\u8c61\u7684\u8c03\u7528\u987a\u5e8f\uff0c\u5982\u4eca\u5df2\u88ab\u5b98\u65b9\u660e\u786e\u58f0\u660e\u4e3a\u4e0d\u63a8\u8350\u4f7f\u7528\u7684\u8bed\u6cd5\u3002<\/p>\n<p style=\"display: none;\">\n<blockquote><p>\u672c\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7: \u7a0b\u5e8f\u733fPhshi<\/p><\/blockquote>\n<\/div>\n","raw":"","protected":false},"excerpt":{"rendered":"<p>\u5783\u573e\u6536\u96c6\u4e3b\u8981\u8003\u8651\u7684\u4e09\u4ef6\u4e8b\u60c5\uff1a \u2022\u00a0\u54ea\u4e9b\u5185\u5b58\u9700\u8981\u56de\u6536? \u2022\u00a0\u4ec0\u4e48\u65f6\u5019\u56de\u6536? \u2022\u00a0\u5982\u4f55\u56de\u6536? \u5783\u573e\u6536\u96c6\u6982\u8ff0 1. \u4ec0\u4e48\u662f\u5783\u573e\uff1f \u8fd0\u884c\u7684 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":1935,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-1939","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java"],"post_thumbnail_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050241539-150x150.jpeg","content_first_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050242885.png","post_medium_image_300":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050241539-300x300.jpeg","post_thumbnail_image_624":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050241539.jpeg","post_frist_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050242885.png","post_medium_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050241539-300x300.jpeg","post_large_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050241539.jpeg","post_full_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050241539.jpeg","post_all_images":[{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050242885.png","id":"image0"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050242885.png","id":"image1"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050251371.png","id":"image2"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050251371.png","id":"image3"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050252293.png","id":"image4"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050252293.png","id":"image5"}],"videoAdId":"","listAd":"0","listAdId":"","listAdEvery":6,"total_comments":0,"category_name":"Java","post_date":"2023-05-28","like_count":"0","praiseWord":"\u9f13\u52b1","copyright_state":"","excitationAd":"0","rewardedVideoAdId":"","detailAdId":"","detailAd":"0","enterpriseMinapp":"0","audios":[],"postImageUrl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230519082947553.jpg","avatarurls":[],"related_posts":null,"pageviews":312,"next_post_id":1339,"next_post_title":"\u9762\u8bd5\u5b98: 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