{"id":4561,"date":"2021-09-01T11:59:48","date_gmt":"2021-09-01T03:59:48","guid":{"rendered":"http:\/\/122.152.205.50\/wordpress\/?p=4561"},"modified":"2021-09-01T11:59:48","modified_gmt":"2021-09-01T03:59:48","slug":"java%e8%99%9a%e6%8b%9f%e6%9c%ba%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561","title":{"rendered":"Java\u865a\u62df\u673a\u8be6\u89e3"},"content":{"rendered":"<p>https:\/\/blog.csdn.net\/wei_lei\/article\/details\/70738379<br \/>\n<a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/blog.csdn.net\/bingduanlbd\/article\/details\/8363734\">https:\/\/blog.csdn.net\/bingduanlbd\/article\/details\/8363734<\/a><\/p>\n<p><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/www.cnblogs.com\/whgk\/p\/6138522.html\">java\u865a\u62df\u673a\u5185\u5b58\u533a\u57df\u7684\u5212\u5206\u4ee5\u53ca\u4f5c\u7528\u8be6\u89e3<\/a><\/p>\n<p>\u4e0b\u9762\u6211\u6839\u636e\u300a\u6df1\u5165\u7406\u89e3Java\u865a\u62df\u673a\u300b\uff08\u5468\u5fd7\u660e\u8457\uff09\uff0c\u5bf9\u4e0a\u9762\u7684\u535a\u5ba2\u4f5c\u4e00\u4e0b\u8865\u5145\u548c\u603b\u7ed3\u3002<\/p>\n<blockquote>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_16 counter-hierarchy counter-decimal ez-toc-grey\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/a><\/span><\/div>\n<nav><ul class=\"ez-toc-list ez-toc-list-level-1\"><li class=\"ez-toc-page-1 ez-toc-heading-level-1\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#%E4%B8%80%E3%80%81%E5%86%85%E5%AD%98%E5%8C%BA%E5%9F%9F%E7%9A%84%E5%88%92%E5%88%86\" title=\"\u4e00\u3001\u5185\u5b58\u533a\u57df\u7684\u5212\u5206\">\u4e00\u3001\u5185\u5b58\u533a\u57df\u7684\u5212\u5206<\/a><ul class=\"ez-toc-list-level-5\"><li class=\"ez-toc-heading-level-5\"><ul class=\"ez-toc-list-level-5\"><li class=\"ez-toc-heading-level-5\"><ul class=\"ez-toc-list-level-5\"><li class=\"ez-toc-heading-level-5\"><ul class=\"ez-toc-list-level-5\"><li class=\"ez-toc-heading-level-5\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#1%E7%A8%8B%E5%BA%8F%E8%AE%A1%E6%95%B0%E5%99%A8\" title=\"1)\u7a0b\u5e8f\u8ba1\u6570\u5668\">1)\u7a0b\u5e8f\u8ba1\u6570\u5668<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-5\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#2%E6%A0%88%E5%86%85%E5%AD%98\" title=\"2)\u6808\u5185\u5b58\">2)\u6808\u5185\u5b58<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-5\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#3%E5%A0%86%E5%86%85%E5%AD%98\" title=\"3)\u5806\u5185\u5b58\">3)\u5806\u5185\u5b58<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-5\"><a class=\"ez-toc-link ez-toc-heading-5\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#4%E6%96%B9%E6%B3%95%E5%8C%BA\" title=\"4)\u65b9\u6cd5\u533a\">4)\u65b9\u6cd5\u533a<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-1\"><a class=\"ez-toc-link ez-toc-heading-6\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#%E4%BA%8C%E3%80%81%E5%AF%B9%E8%B1%A1\" title=\"\u4e8c\u3001\u5bf9\u8c61\">\u4e8c\u3001\u5bf9\u8c61<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-1\"><a class=\"ez-toc-link ez-toc-heading-7\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#1%E5%AF%B9%E8%B1%A1%E7%9A%84%E5%88%9B%E5%BB%BA\" title=\"1.\u5bf9\u8c61\u7684\u521b\u5efa\">1.\u5bf9\u8c61\u7684\u521b\u5efa<\/a><ul class=\"ez-toc-list-level-2\"><li class=\"ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-8\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#1%EF%BC%89%E7%B1%BB%E5%8A%A0%E8%BD%BD\" title=\"1\uff09\u7c7b\u52a0\u8f7d\">1\uff09\u7c7b\u52a0\u8f7d<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-9\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#2%EF%BC%89%E5%88%86%E9%85%8D%E5%86%85%E5%AD%98\" title=\"2\uff09\u5206\u914d\u5185\u5b58\">2\uff09\u5206\u914d\u5185\u5b58<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-10\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#%E5%86%85%E5%AD%98%E5%88%86%E9%85%8D%E6%96%B9%E5%BC%8F\" title=\"\u5185\u5b58\u5206\u914d\u65b9\u5f0f\">\u5185\u5b58\u5206\u914d\u65b9\u5f0f<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-11\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#%E5%86%85%E5%AD%98%E5%88%86%E9%85%8D%E7%9A%84%E5%B9%B6%E5%8F%91%E9%97%AE%E9%A2%98\" title=\"\u5185\u5b58\u5206\u914d\u7684\u5e76\u53d1\u95ee\u9898\">\u5185\u5b58\u5206\u914d\u7684\u5e76\u53d1\u95ee\u9898<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-12\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#3%EF%BC%89%E5%AF%B9%E8%B1%A1%E5%88%9D%E5%A7%8B%E5%8C%96\" title=\"3\uff09\u5bf9\u8c61\u521d\u59cb\u5316\">3\uff09\u5bf9\u8c61\u521d\u59cb\u5316<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-13\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#4%EF%BC%89%E5%AF%B9%E8%B1%A1%E8%AE%BE%E7%BD%AE\" title=\"4\uff09\u5bf9\u8c61\u8bbe\u7f6e\">4\uff09\u5bf9\u8c61\u8bbe\u7f6e<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-1\"><a class=\"ez-toc-link ez-toc-heading-14\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#2%E5%AF%B9%E8%B1%A1%E7%9A%84%E5%86%85%E5%AD%98%E5%B8%83%E5%B1%80\" title=\"2.\u5bf9\u8c61\u7684\u5185\u5b58\u5e03\u5c40\">2.\u5bf9\u8c61\u7684\u5185\u5b58\u5e03\u5c40<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-1\"><a class=\"ez-toc-link ez-toc-heading-15\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#3%E5%AF%B9%E8%B1%A1%E7%9A%84%E8%AE%BF%E9%97%AE%E5%AE%9A%E4%BD%8D\" title=\"3.\u5bf9\u8c61\u7684\u8bbf\u95ee\u5b9a\u4f4d\">3.\u5bf9\u8c61\u7684\u8bbf\u95ee\u5b9a\u4f4d<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-1\"><a class=\"ez-toc-link ez-toc-heading-16\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#%E4%B8%89%E3%80%81%E5%BC%82%E5%B8%B8\" title=\"\u4e09\u3001\u5f02\u5e38\">\u4e09\u3001\u5f02\u5e38<\/a><ul class=\"ez-toc-list-level-2\"><li class=\"ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-17\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#OutOfMemoryError%E5%BC%82%E5%B8%B8\" title=\"OutOfMemoryError\u5f02\u5e38\">OutOfMemoryError\u5f02\u5e38<\/a><ul class=\"ez-toc-list-level-4\"><li class=\"ez-toc-heading-level-4\"><ul class=\"ez-toc-list-level-4\"><li class=\"ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-18\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#%E5%88%B6%E9%80%A0%E5%BC%82%E5%B8%B8\" title=\"\u5236\u9020\u5f02\u5e38\">\u5236\u9020\u5f02\u5e38<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-19\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#%E5%88%B6%E9%80%A0StackOverflow%E5%BC%82%E5%B8%B8\" title=\"\u5236\u9020StackOverflow\u5f02\u5e38\">\u5236\u9020StackOverflow\u5f02\u5e38<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-20\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#%E5%88%B6%E9%80%A0OutofMemoryError%E5%BC%82%E5%B8%B8\" title=\"\u5236\u9020OutofMemoryError\u5f02\u5e38\">\u5236\u9020OutofMemoryError\u5f02\u5e38<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-21\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#%E5%88%B6%E9%80%A0OutofMemoryError%E5%BC%82%E5%B8%B8-2\" title=\"\u5236\u9020OutofMemoryError\u5f02\u5e38\">\u5236\u9020OutofMemoryError\u5f02\u5e38<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-22\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#%E5%88%B6%E9%80%A0OutofMemoryError%E5%BC%82%E5%B8%B82\" title=\"\u5236\u9020OutofMemoryError\u5f02\u5e382\">\u5236\u9020OutofMemoryError\u5f02\u5e382<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-1\"><a class=\"ez-toc-link ez-toc-heading-23\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#%E5%9B%9B%E3%80%81%E5%9E%83%E5%9C%BE%E6%94%B6%E9%9B%86%E5%99%A8\" title=\"\u56db\u3001\u5783\u573e\u6536\u96c6\u5668\">\u56db\u3001\u5783\u573e\u6536\u96c6\u5668<\/a><ul class=\"ez-toc-list-level-2\"><li class=\"ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-24\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#%E5%AF%B9%E8%B1%A1%E5%B7%B2%E6%AD%BB%E5%90%97\" title=\"\u5bf9\u8c61\u5df2\u6b7b\u5417\">\u5bf9\u8c61\u5df2\u6b7b\u5417<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-25\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#%E5%BC%95%E7%94%A8\" title=\"\u5f15\u7528\">\u5f15\u7528<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-26\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#finalize%E6%96%B9%E6%B3%95\" title=\"finalize\u65b9\u6cd5\">finalize\u65b9\u6cd5<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-27\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#%E6%96%B9%E6%B3%95%E5%8C%BA%EF%BC%88%E6%B0%B8%E4%B9%85%E4%BB%A3%EF%BC%89%E5%9B%9E%E6%94%B6\" title=\"\u65b9\u6cd5\u533a\uff08\u6c38\u4e45\u4ee3\uff09\u56de\u6536\">\u65b9\u6cd5\u533a\uff08\u6c38\u4e45\u4ee3\uff09\u56de\u6536<\/a><\/li><\/ul><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-1\"><a class=\"ez-toc-link ez-toc-heading-28\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#%E5%9E%83%E5%9C%BE%E6%94%B6%E9%9B%86%E7%AE%97%E6%B3%95\" title=\"\u5783\u573e\u6536\u96c6\u7b97\u6cd5\">\u5783\u573e\u6536\u96c6\u7b97\u6cd5<\/a><ul class=\"ez-toc-list-level-2\"><li class=\"ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-29\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#Hopspot%E8%99%9A%E6%8B%9F%E6%9C%BA%E7%AE%97%E6%B3%95%E5%AE%9E%E7%8E%B0\" title=\"Hopspot\u865a\u62df\u673a\u7b97\u6cd5\u5b9e\u73b0\">Hopspot\u865a\u62df\u673a\u7b97\u6cd5\u5b9e\u73b0<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-30\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#GC%E5%8D%A1%E9%A1%BF\" title=\"GC\u5361\u987f\">GC\u5361\u987f<\/a><\/li><\/ul><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-1\"><a class=\"ez-toc-link ez-toc-heading-31\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=4561\/#%E4%BA%94%E3%80%81%E5%9E%83%E5%9C%BE%E6%94%B6%E9%9B%86%E5%99%A8\" title=\"\u4e94\u3001\u5783\u573e\u6536\u96c6\u5668\">\u4e94\u3001\u5783\u573e\u6536\u96c6\u5668<\/a><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"%E4%B8%80%E3%80%81%E5%86%85%E5%AD%98%E5%8C%BA%E5%9F%9F%E7%9A%84%E5%88%92%E5%88%86\"><\/span>\u4e00\u3001\u5185\u5b58\u533a\u57df\u7684\u5212\u5206<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>  Java\u865a\u62df\u673a\u7ba1\u7406\u7684\u5185\u5b58\u4e5f\u53eb\u8fd0\u884c\u65f6\u6570\u636e\u533a\u57df\uff0cJava\u865a\u62df\u673a\u89c4\u8303\u4e00\u5171\u5c06\u5185\u5b58\u5212\u5206\u4e3a5\u4e2a\u5757\uff0c\u865a\u62df\u673a\u6808\u3001\u672c\u5730\u65b9\u6cd5\u6808\u3001\u7a0b\u5e8f\u8ba1\u6570\u5668\u3001Java\u5806\u3001\u65b9\u6cd5\u533a\u3002\u5176\u4e2d\uff0c\u865a\u62df\u673a\u6808\u3001\u672c\u5730\u65b9\u6cd5\u6808\u3001\u7a0b\u5e8f\u8ba1\u6570\u5668\u662f\u7ebf\u7a0b\u79c1\u6709\u7684\uff0c\u968f\u7ebf\u7a0b\u800c\u751f\uff0c\u968f\u7ebf\u7a0b\u800c\u706d\uff1b\u800cJava\u5806\u3001\u65b9\u6cd5\u533a\u5219\u662f\u7ebf\u7a0b\u5171\u4eab\u7684\uff0c\u968f\u7740\u865a\u62df\u673a\u8fdb\u7a0b\u7684\u542f\u52a8\u800c\u5b58\u5728\u3002\n<\/p><\/blockquote>\n<ul>\n<li>### \u5404\u4e2a\u5185\u5b58\u533a\u57df\u7684\u4f5c\u7528<br \/>\n\u4e0a\u9762\u535a\u5ba2\u6574\u7406\u5f97\u5f88\u8be6\u7ec6\uff0c\u6211\u5c31\u4e0d\u591a\u8bf4\u4e86\u3002<\/li>\n<\/ul>\n<h5><span class=\"ez-toc-section\" id=\"1%E7%A8%8B%E5%BA%8F%E8%AE%A1%E6%95%B0%E5%99%A8\"><\/span>1)\u7a0b\u5e8f\u8ba1\u6570\u5668<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p>\u7ebf\u7a0b\u6267\u884c\u76f8\u5173<\/p>\n<h5><span class=\"ez-toc-section\" id=\"2%E6%A0%88%E5%86%85%E5%AD%98\"><\/span>2)\u6808\u5185\u5b58<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p>\u5206\u4e3a\u672c\u5730\u65b9\u6cd5\u6808\u4e0e\u865a\u62df\u673a\u6808<br \/>\n<strong>\u672c\u5730\u65b9\u6cd5\u6808<\/strong>\uff1a\u5b58\u653enative\u65b9\u6cd5\u76f8\u5173\u7684\u4fe1\u606f<br \/>\n<strong>\u865a\u62df\u673a\u6808<\/strong>\uff1a\u5b58\u653ejava\u65b9\u6cd5\u76f8\u5173\u7684\u4fe1\u606f\uff0c\u6bcf\u4e2a\u65b9\u6cd5(\u4e0d\u5305\u62ecnative\u65b9\u6cd5)\u6267\u884c\u7684\u65f6\u5019\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u6808\u5e27\u7ed3\u6784\uff0c\u65b9\u6cd5\u6267\u884c\u8fc7\u7a0b\uff0c\u5bf9\u5e94\u7740\u865a\u62df\u673a\u6808\u7684\u5165\u6808\u5230\u51fa\u6808\u7684\u8fc7\u7a0b\u3002\u5728\u51fd\u6570\u4e2d\u5b9a\u4e49\u7684\u4e00\u4e9b\u57fa\u672c\u7c7b\u578b\u7684<br \/>\n```\u53d8\u91cf\u548c\u5bf9\u8c61```\u7684\u5f15\u7528\u90fd\u662f\u5728\u51fd\u6570\u7684\u6808\u5185\u5b58\u4e2d\u5206\u914d\u3002\u5f53\u5728\u4e00\u6bb5\u4ee3\u7801\u5e93\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf\u662f\uff0cjava\u5c31\u5728\u6808\u4e2d\u4e3a\u8fd9\u4e2a\u53d8\u91cf\u5206\u914d\u5185\u5b58\u7a7a\u95f4\uff0c\u5f53\u8d85\u8fc7\u53d8\u91cf\u7684\u4f5c\u7528\u57df\u540e\uff0cjava\u5c31\u4f1a\u81ea\u52a8\u91ca\u653e\u4e3a\u8be5\u53d8\u91cf\u5206\u914d\u7684\u5185\u5b58\u7a7a\u95f4\u3002\uff08\u6240\u4ee5\u5c40\u90e8\u53d8\u91cf\u5360\u70b9\u5185\u5b58\u6ca1\u6709\u5173\u7cfb\uff0c\u65b9\u6cd5\u6267\u884c\u5b8c\u5b83\u5c31\u884c\u91ca\u653e\u3002\uff09<\/p>\n<h5><span class=\"ez-toc-section\" id=\"3%E5%A0%86%E5%86%85%E5%AD%98\"><\/span>3)\u5806\u5185\u5b58<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p>\u5806\u5185\u5b58\u7528\u4e8e\u5b58\u653e\u6240\u6709\u7531new\u521b\u5efa\u7684\u5bf9\u8c61(\u5305\u62ec\u8be5\u5bf9\u8c61\u5176\u4e2d\u7684\u6240\u6709\u7684\u975e\u9759\u6001\u6210\u5458\u53d8\u91cf)\u548c\u6570\u7ec4\u3002<\/p>\n<h5><span class=\"ez-toc-section\" id=\"4%E6%96%B9%E6%B3%95%E5%8C%BA\"><\/span>4)\u65b9\u6cd5\u533a<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p>\u7528\u4e8e\u5b58\u50a8\u5df2\u88ab\u865a\u62df\u673a\u52a0\u8f7d\u7684\u7c7b\u4fe1\u606f\u3001\u5e38\u91cf\u3001\u9759\u6001\u53d8\u91cf\u3001\u548c\u7f16\u8bd1\u5668\u7f16\u8bd1\u540e\u7684\u4ee3\u7801(\u4e5f\u5c31\u662f\u5b58\u50a8\u5b57\u8282\u7801\u6587\u4ef6\u3002.class)\u7b49\u6570\u636e<\/p>\n<blockquote>\n<h1><span class=\"ez-toc-section\" id=\"%E4%BA%8C%E3%80%81%E5%AF%B9%E8%B1%A1\"><\/span>\u4e8c\u3001\u5bf9\u8c61<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<\/blockquote>\n<h1><span class=\"ez-toc-section\" id=\"1%E5%AF%B9%E8%B1%A1%E7%9A%84%E5%88%9B%E5%BB%BA\"><\/span>1.\u5bf9\u8c61\u7684\u521b\u5efa<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Java\u8bed\u6cd5new\u5c31\u662f\u521b\u5efa\u4e00\u4e2a\u5bf9\u8c61\uff0c\u865a\u62df\u673a\u662f\u5982\u4f55\u5904\u7406\u8fd9\u4e2a<br \/>\n\u6307\u4ee4\u7684\uff1a<\/p>\n<h2><span class=\"ez-toc-section\" id=\"1%EF%BC%89%E7%B1%BB%E5%8A%A0%E8%BD%BD\"><\/span>1\uff09\u7c7b\u52a0\u8f7d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u9996\u5148\u5c06\u53bb\u68c0\u67e5\u8fd9\u4e2a\u6307\u4ee4\u7684\u53c2\u6570\u662f\u5426\u80fd\u5728\u5e38\u91cf\u6c60\u4e2d\u5b9a\u4f4d\u5230\u4e00\u4e2a\u7c7b\u7684\u7b26\u53f7\u5f15\u7528\uff0c\u5e76\u4e14\u68c0\u67e5\u8fd9\u4e2a\u7b26\u53f7\u5f15\u7528\u7684\u4ee3\u8868\u7684\u7c7b\u662f\u5426\u5df2\u7ecf\u88ab\u52a0\u8f7d\u3001\u89e3\u6790\u548c\u521d\u59cb\u5316\u8fc7\u3002\u5982\u679c\u6ca1\u6709\uff0c\u90a3\u5fc5\u987b\u5148\u6267\u884c\u76f8\u5e94\u7684\u7c7b\u52a0\u8f7d\u8fc7\u7a0b\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"2%EF%BC%89%E5%88%86%E9%85%8D%E5%86%85%E5%AD%98\"><\/span>2\uff09\u5206\u914d\u5185\u5b58<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"%E5%86%85%E5%AD%98%E5%88%86%E9%85%8D%E6%96%B9%E5%BC%8F\"><\/span>\u5185\u5b58\u5206\u914d\u65b9\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5982\u4f55\u4e3a\u65b0\u751f\u7684\u5bf9\u8c61\u5206\u914d\u5185\u5b58\uff1f\u67092\u79cd\u65b9\u5f0f\uff1a<br \/>\n- \u6307\u9488\u78b0\u649e<br \/>\n  \u8fd9\u79cd\u65b9\u5f0f\u6709\u4e00\u4e2a\u5927\u524d\u63d0\uff1a\u5047\u8bbeJava\u5806\u4e2d\u5185\u5b58\u662f\u7edd\u5bf9\u89c4\u6574\u7684\uff0c\u6240\u6709\u7528\u8fc7\u7684\u5185\u5b58\u653e\u4e00\u8fb9\uff0c\u7a7a\u95f2\u7684\u5185\u5b58\u653e\u5728\u53e6\u4e00\u8fb9\uff0c\u4e2d\u95f4\u653e\u7740\u4e00\u4e2a\u6307\u4ee4\u4f5c\u4e3a\u5206\u754c\u70b9\u7684\u6307\u793a\u5668\uff0c\u5206\u914d\u5185\u5b58\u5c31\u662f\u5c31\u662f\u5c06\u6307\u9488\u5411\u7a7a\u95f2\u5185\u5b58\u79fb\u52a8\u4e0e\u5bf9\u8c61\u5927\u5c0f\u76f8\u7b49\u7684\u8ddd\u79bb\u3002<br \/>\n- \u7a7a\u95f2\u5217\u8868<br \/>\n\u7ef4\u62a4\u4e00\u4e2a\u5217\u8868\u8bb0\u5f55\u54ea\u4e9b\u5185\u5b58\u53ef\u7528\u4e0e\u7a7a\u95f2\u3002<\/p>\n<p>\u800cJava\u5806\u662f\u5426\u89c4\u6574\uff0c\u662f\u7531Java\u865a\u62df\u673a\u6240\u91c7\u7528\u7684\u5783\u573e\u6536\u96c6\u5668\u662f\u5426\u5e26\u6709\u538b\u7f29\u6574\u7406\u529f\u80fd\u51b3\u5b9a\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E5%86%85%E5%AD%98%E5%88%86%E9%85%8D%E7%9A%84%E5%B9%B6%E5%8F%91%E9%97%AE%E9%A2%98\"><\/span>\u5185\u5b58\u5206\u914d\u7684\u5e76\u53d1\u95ee\u9898<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Java\u865a\u62df\u673a\u4e2d\u521b\u5efa\u5bf9\u8c61\u662f\u975e\u5e38\u9891\u7e41\u7684\u884c\u4e3a\uff0c\u5373\u4f7f\u662f\u4f7f\u7528\u6307\u9488\u78b0\u649e\u65b9\u5f0f\u6765\u5206\u914d\u5185\u5b58\uff0c\u5728\u5e76\u53d1\u60c5\u51b5\u4e5f\u5e76\u4e0d\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u3002\u5982\u7ed9\u5bf9\u8c61A\u5206\u914d\u5185\u5b58\uff0c\u6307\u9488\u8fd8\u6ca1\u6709\u6765\u5f97\u53ca\u4fee\u6539\uff0c\u5bf9\u8c61B\u53c8\u4f7f\u7528\u4e86\u539f\u6765\u7684\u6307\u9488\u6765\u5206\u914d\u5185\u5b58\u7684\u60c5\u51b5\u3002\u89e3\u51b3\u65b9\u6848\u67092\u79cd\uff1a<br \/>\n1\uff09\u5bf9\u5185\u5b58\u5206\u914d\u7684\u52a8\u4f5c\u8fdb\u884c\u540c\u6b65\u5904\u7406<br \/>\nCAS\u914d\u4e0a\u5931\u8d25\u91cd\u8bd5<br \/>\n\u5173\u4e8e\u4ec0\u4e48\u662fCAS\uff1a<a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/blog.csdn.net\/tanga842428\/article\/details\/52742698\">https:\/\/blog.csdn.net\/tanga842428\/article\/details\/52742698<\/a><br \/>\n2\uff09TLAB\uff08\u672c\u5730\u7ebf\u7a0b\u5206\u914d\u7f13\u51b2\uff09<br \/>\n\u628a\u5185\u5b58\u5206\u914d\u7684\u52a8\u4f5c\u6309\u7167\u7ebf\u7a0b\u5212\u5206\u5728\u4e0d\u540c\u7684\u7a7a\u95f4\u4e4b\u4e2d\u8fdb\u884c\uff0c\u5373\u6bcf\u4e2a\u7ebf\u7a0b\u5728Java\u5806\u4e2d\u9884\u5148\u5206\u914d\u4e00\u5c0f\u5757\u5185\u5b58\u3002<br \/>\n\u6240\u4ee5\u4ee5\u524d\u7f16\u7a0b\u5c31\u542c\u89c1\u6709\u4eba\u8bf4\u521b\u5efa\u7ebf\u7a0b\u5341\u5206\u6d88\u8017\u5185\u5b58\uff0c\u8fd9\u91cc\u7b97\u662f\u660e\u767d\u4e86\uff0c\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u6709\u7ebf\u7a0b\u6c60\u6765\u590d\u7528\u7ebf\u7a0b\u7684\u539f\u56e0\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3%EF%BC%89%E5%AF%B9%E8%B1%A1%E5%88%9D%E5%A7%8B%E5%8C%96\"><\/span>3\uff09\u5bf9\u8c61\u521d\u59cb\u5316<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Java\u5bf9\u8c61\u7684\u5b57\u6bb5\u90fd\u6709\u9ed8\u8ba4\u503c\uff0c\u5c31\u662fJava\u865a\u62df\u673a\u5728\u8fd9\u91cc\u4e3a\u5bf9\u8c61\u521d\u59cb\u5316\u7684\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"4%EF%BC%89%E5%AF%B9%E8%B1%A1%E8%AE%BE%E7%BD%AE\"><\/span>4\uff09\u5bf9\u8c61\u8bbe\u7f6e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5bf9\u8c61\u5934\uff1a\u7c7b\u7684\u5143\u6570\u636e\u4fe1\u606f\u3001\u5bf9\u8c61\u7684\u54c8\u5e0c\u7801\u3001\u5bf9\u8c61\u7684GC\u5206\u4ee3\u5e74\u9f84<\/p>\n<h1><span class=\"ez-toc-section\" id=\"2%E5%AF%B9%E8%B1%A1%E7%9A%84%E5%86%85%E5%AD%98%E5%B8%83%E5%B1%80\"><\/span>2.\u5bf9\u8c61\u7684\u5185\u5b58\u5e03\u5c40<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\u5728Hotspot\u865a\u62df\u673a\u4e2d\uff0c\u5bf9\u8c61\u5728\u5185\u5b58\u4e2d\u5b58\u50a8\u7684\u5e03\u5c40\u5206\u4e3a3\u5757\u533a\u57df\uff1a\u5bf9\u8c61\u5934\u3001\u5b9e\u4f8b\u6570\u636e\u3001\u5bf9\u9f50\u586b\u5145\u3002<br \/>\n- \u5bf9\u8c61\u5934<br \/>\n  \u5bf9\u8c61\u5934\u5305\u62ec2\u90e8\u5206\u4fe1\u606f\uff0c\u7b2c\u4e00\u90e8\u5206\u7528\u4e8e\u5b58\u50a8\u5bf9\u8c61\u81ea\u8eab\u7684\u8fd0\u884c\u65f6\u6570\u636e(Mark Word)\uff1b\u7b2c\u4e8c\u90e8\u5206\u662f\u7c7b\u578b\u6307\u9488\uff0c\u5bf9\u8c61\u6307\u5411\u5b83\u7684\u7c7b\u5143\u6570\u636e\u7684\u6307\u9488\uff0c\u865a\u62df\u673a\u901a\u8fc7\u8fd9\u4e2a\u6307\u9488\u6765\u786e\u5b9a\u5bf9\u8c61\u662f\u54ea\u4e2a\u7c7b\u7684\u5b9e\u4f8b\uff0c\u4f46\u4e0d\u662f\u6240\u6709\u7684\u865a\u62df\u673a\u90fd\u6709\u7c7b\u578b\u6307\u9488\u3002<br \/>\n- \u5b9e\u4f8b\u6570\u636e<br \/>\n  \u5b9e\u4f8b\u6570\u636e\u662f\u5bf9\u8c61\u771f\u6b63\u5b58\u50a8\u7684\u6709\u6548\u4fe1\u606f\uff0c\u4e5f\u662f\u4ee3\u7801\u4e2d\u5b9a\u4e49\u7684\u5404\u79cd\u7c7b\u578b\u7684\u7684\u5b57\u6bb5\u5185\u5bb9\u3002<br \/>\n- \u5bf9\u9f50\u586b\u5145<br \/>\n  \u4fdd\u8bc1\u6574\u4e2a\u5bf9\u8c61\u7684\u5927\u5c0f\u662f8\u7684\u6574\u6570\u500d\uff0c\u5047\u5982\u5b9e\u4f8b\u6570\u636e\u6ca1\u6709\u5bf9\u9f50\uff0c\u5bf9\u9f50\u586b\u5145\u90e8\u5206\u4f1a\u81ea\u52a8\u8865\u9f50\u3002<\/p>\n<h1><span class=\"ez-toc-section\" id=\"3%E5%AF%B9%E8%B1%A1%E7%9A%84%E8%AE%BF%E9%97%AE%E5%AE%9A%E4%BD%8D\"><\/span>3.\u5bf9\u8c61\u7684\u8bbf\u95ee\u5b9a\u4f4d<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\u53d6\u51b3\u4e8e\u865a\u62df\u673a\u7684\u5b9e\u73b0\uff0c\u4e3b\u6d41\u7684\u8bbf\u95ee\u65b9\u5f0f\u6709\u53e5\u67c4\u548c\u76f4\u63a5\u6307\u9488\u4e24\u79cd\u3002<br \/>\n- \u53e5\u67c4<br \/>\nJava\u5806\u4e2d\u5212\u5206\u4e00\u90e8\u5206\u5185\u5b58\u6765\u4f5c\u4e3a\u53e5\u67c4\u6c60\uff0creference\u4f1a\u5b58\u50a8\u5bf9\u8c61\u7684\u53e5\u67c4\u5730\u5740\uff0c\u800c\u53e5\u67c4\u5305\u542b\u5bf9\u8c61\u5b9e\u4f8b\u548c\u7c7b\u578b\u6570\u636e\u5404\u81ea\u7684\u5730\u5740\u4fe1\u606f\u3002<br \/>\n<img src=\"https:\/\/upload-images.jianshu.io\/upload_images\/18328858-65c27e6242c8a3b6.png?imageMogr2\/auto-orient\/strip%7CimageView2\/2\/w\/1240\" alt=\"image.png\" \/><br \/>\n\u4f7f\u7528\u53e5\u67c4\u7684\u597d\u5904\u5c31\u662f\u5bf9\u8c61\u88ab\u79fb\u52a8\uff0c\u53ea\u8981\u6539\u53d8\u53e5\u67c4\u6307\u5411\u5bf9\u8c61\u5b9e\u4f8b\u7684\u6307\u9488\uff0creference\u4e0d\u9700\u8981\u4f5c\u6539\u53d8\u3002<br \/>\n- \u76f4\u63a5\u6307\u9488<br \/>\nreference\u76f4\u63a5\u6307\u5b58\u50a8\u5bf9\u8c61\u7684\u5730\u5740<br \/>\n<img src=\"https:\/\/upload-images.jianshu.io\/upload_images\/18328858-5a1a5936cd272c4f.png?imageMogr2\/auto-orient\/strip%7CimageView2\/2\/w\/1240\" alt=\"image.png\" \/><br \/>\n\u4f7f\u7528\u76f4\u63a5\u6307\u9488\u7684\u597d\u5904\u5c31\u662f\u8bbf\u95ee\u901f\u5ea6\u5feb\uff0c\u8282\u7701\u4e00\u6b21\u6307\u9488\u5b9a\u4f4d\u7684\u65f6\u95f4\u5f00\u9500\u3002\u56e0\u4e3a\u5bf9\u8c61\u7684\u8bbf\u95ee\u5728Java\u4e2d\u5341\u5206\u9891\u7e41\uff0cSun Hotspot\u865a\u62df\u673a\u5c31\u662f\u91c7\u7528\u7684\u8fd9\u79cd\u65b9\u5f0f\u8bbf\u95ee\u5bf9\u8c61\u3002<\/p>\n<blockquote>\n<h1><span class=\"ez-toc-section\" id=\"%E4%B8%89%E3%80%81%E5%BC%82%E5%B8%B8\"><\/span>\u4e09\u3001\u5f02\u5e38<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>  \u5206\u6790Java\u865a\u62df\u673a\u7684\u5f02\u5e38\uff0c\u662f\u4e3a\u4e86\u8ba9\u6211\u4eec\u5728\u9047\u5230\u8fd9\u4e9b\u5f02\u5e38\u65f6\uff0c\u80fd\u6e05\u6670\u5730\u5b9a\u4f4d\u5230\u53ef\u80fd\u4ea7\u751f\u8fd9\u4e9b\u5f02\u5e38\u7684\u4ee3\u7801\u3002\n<\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"OutOfMemoryError%E5%BC%82%E5%B8%B8\"><\/span>OutOfMemoryError\u5f02\u5e38<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>java\u865a\u62df\u673a\u5404\u4e2a\u5185\u5b58\u90e8\u5206\uff0c\u9664\u4e86\u7a0b\u5e8f\u8ba1\u7b97\u5668\u4e4b\u5916\uff0c\u90fd\u4f1a\u629b\u51faOutOfMemoryError\u5f02\u5e38\u3002<\/p>\n<ul>\n<li>### Java\u5806\u6ea2\u51fa<br \/>\n\u4e0d\u65ad\u7684\u521b\u5efa\u5bf9\u8c61\uff0c\u5e76\u4e14\u4fdd\u8bc1\u5bf9\u8c61\u88ab\u5f15\u7528\uff08\u4e0d\u88ab\u5783\u573e\u56de\u6536\u5668\u56de\u6536\uff09\uff0c\u5f53\u5bf9\u8c61\u6570\u91cf\u8fbe\u5230\u6700\u5927\u5806\u7684\u5bb9\u91cf\u9650\u5236\u5c31\u4f1a\u629b\u51fa\u5185\u5b58\u6ea2\u51fa\u5f02\u5e38\u3002\u5728Java\u5806\u4e2d\uff0c\u8fd9\u4e2a\u5f02\u5e38\u5176\u5b9e\u5305\u6db5\u4e24\u4e2a\u65b9\u9762\u7684\u5c42\u4e49\uff1a\u5185\u5b58\u6cc4\u6f0f\uff08Memory Leak\uff09\u548c\u5185\u5b58\u6ea2\u51fa(Memory Overflow)\u3002<\/li>\n<li>\u5185\u5b58\u6cc4\u6f0f\uff08Memory Leak\uff09<br \/>\n\u5bf9\u8c61\u88ab\u5f15\u7528\uff0c\u5783\u573e\u56de\u6536\u5668\u65e0\u6cd5\u56de\u6536\uff0c\u5bfc\u81f4\u5185\u5b58\u6ea2\u51fa\u7684\u539f\u56e0\u4e4b\u4e00\u3002<\/p>\n<p>\u5806\u5185\u5b58\u4e2d\u7684<br \/>\n```\u957f\u751f\u547d\u5468\u671f\u5bf9\u8c61\u6301\u6709\u77ed\u751f\u547d\u5468\u671f\u5bf9\u8c61\u7684\u5f3a\/\u8f6f\u5f15\u7528```\uff0c\u5c3d\u7ba1\u77ed\u751f\u547d\u5468\u671f\u7684\u5bf9\u8c61\u5df2\u7ecf\u4e0d\u518d\u9700\u8981\u4e86\uff0c\u4f46\u662f\u957f\u751f\u547d\u5468\u671f\u5bf9\u8c61\u6301\u6709\u5b83\u7684\u5f15\u7528\u800c\u5bfc\u81f4\u4e0d\u80fd\u88ab\u56de\u6536\uff0c\u8fd9\u5c31\u662fJava\u5185\u5b58\u6cc4\u9732\u7684\u6839\u672c\u539f\u56e0\u3002\n<\/p>\n<\/li>\n<li>\u5185\u5b58\u6ea2\u51fa(Memory Overflow)<br \/>\nJava\u5806\u518d\u4e5f\u65e0\u6cd5\u4e3a\u65b0\u521b\u5efa\u7684\u5bf9\u8c61\u5206\u914d\u5185\u5b58\u4e86\uff0c\u662f\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"%E5%88%B6%E9%80%A0%E5%BC%82%E5%B8%B8\"><\/span>\u5236\u9020\u5f02\u5e38<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<pre><code class=\"line-numbers\">public class HeapOOM {\n    public static class OOMObject{\n\n    }\n    public static void main(String[] args){\n        List&lt;OOMObject&gt; list = new ArrayList&lt;OOMObject&gt;();\n        while (true){\n            list.add(new OOMObject());\n        }\n    }\n}\n<\/code><\/pre>\n<p>\u5728Android\u7aef\u8fd0\u884cHeapOOM.main(null)\uff0c\u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4\u629b\u51fa\u5f02\u5e38\uff1a<\/p>\n<pre><code class=\"line-numbers\">java.lang.OutOfMemoryError: Failed to allocate a 68706640 byte allocation with 16777216 free bytes and 36MB until OOM\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u5f02\u5e38\u662f\u7531Android\u865a\u62df\u673a\u629b\u51fa\u7684\uff0c\u6240\u4ee5\u548c\u4f5c\u8005\u8bb2\u7684Java\u865a\u62df\u673a\u8f93\u51fa\u65e5\u5fd7\u6709\u6240\u4e0d\u540c\u3002\u4e4b\u6240\u4ee5\u76f4\u63a5\u8fd0\u884cmain\u65b9\u6cd5\uff0c\u662f\u6211\u6ca1\u6709\u627e\u5230\u9650\u5236\u5806\u5bb9\u91cf\u5927\u5c0f\u7684\u65b9\u6cd5\uff0c\u7b49\u4e86\u5f88\u4e45\u4e5f\u6ca1\u6709\u5f02\u5e38\u4ea7\u751f\u3002<\/p>\n<ul>\n<li>### \u6808\u6ea2\u51fa<br \/>\n\u5f53\u7ebf\u7a0b\u8bf7\u6c42\u7684\u6808\u6df1\u5ea6\u5927\u4e8e\u865a\u62df\u673a\u6240\u5141\u8bb8\u7684\u6700\u5927\u6df1\u5ea6\u65f6\uff0c\u5c31\u4f1a\u629b\u51faStackOverflow\u5f02\u5e38\u3002<br \/>\n\u5f53\u865a\u62df\u673a\u6269\u5c55\u6808\u65f6\uff0c\u65e0\u6cd5\u7533\u8bf7\u5230\u8db3\u591f\u7684\u5185\u5b58\uff0c\u5c31\u4f1a\u629b\u51faOutofMemoryError\u5f02\u5e38\u3002<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"%E5%88%B6%E9%80%A0StackOverflow%E5%BC%82%E5%B8%B8\"><\/span>\u5236\u9020StackOverflow\u5f02\u5e38<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u5199\u4e00\u4e2a\u6b7b\u5faa\u73af<\/p>\n<pre><code class=\"line-numbers\">public class StackOverflow {\n    public static void main(){\n        Log.e(\"CZ\", \"main: test\");\n        main();\n    }\n}\n<\/code><\/pre>\n<p>\u5728Android\u7aef\u8fd0\u884cStackOverflow.main()\uff0c\u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4\u629b\u51fa\u5f02\u5e38\uff1a<\/p>\n<pre><code class=\"line-numbers\">java.lang.StackOverflowError: stack size 8MB\n<\/code><\/pre>\n<h4><span class=\"ez-toc-section\" id=\"%E5%88%B6%E9%80%A0OutofMemoryError%E5%BC%82%E5%B8%B8\"><\/span>\u5236\u9020OutofMemoryError\u5f02\u5e38<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u5728Java\u6808\u4e2d\uff0c\u4e00\u822c\u5f88\u96be\u51fa\u73b0OutofMemoryError\u5f02\u5e38\uff0c\u5c1d\u8bd5\u7528\u4e0b\u9762\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"line-numbers\">public class ThreadTest {\n    private static  void dontStop(){\n        while (true){\n\n        }\n    }\n\n    public static void stackLeakByThread(){\n        while (true){\n            Thread thread = new Thread(){\n                @Override\n                public void run() {\n                    Log.e(\"cz\", \"run: \");\n                    dontStop();\n                }\n            };\n            thread.start();\n        }\n    }\n}\n<\/code><\/pre>\n<p>\u4f46\u662f\u4e0a\u9762\u7684\u4ee3\u7801\uff0c\u6700\u7ec8\u4f1a\u5bfc\u81f4adb offline\uff0c\u624b\u673a\u5361\u6b7b\u3002\u7531\u4e8eJava\u7ebf\u7a0b\u4f1a\u548c\u64cd\u4f5c\u7cfb\u7edf\u7684\u5185\u6838\u7ebf\u7a0b\u4ea7\u751f\u5173\u8054\uff0c\u5bfc\u81f4\u7cfb\u7edf\u5361\u6b7b\uff0c\u5e94\u7528\u4e5f\u4e0d\u4f1a\u5d29\u6e83\u3002<br \/>\n<a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/blog.csdn.net\/qq_27035123\/article\/details\/77651534\">https:\/\/blog.csdn.net\/qq_27035123\/article\/details\/77651534<\/a><\/p>\n<ul>\n<li>### \u65b9\u6cd5\u533a\u6ea2\u51fa<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"%E5%88%B6%E9%80%A0OutofMemoryError%E5%BC%82%E5%B8%B8-2\"><\/span>\u5236\u9020OutofMemoryError\u5f02\u5e38<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>String\u7684intern()\u65b9\u6cd5\uff1a\u5224\u65ad\u8fd0\u884c\u65f6\u5e38\u91cf\u6c60\u662f\u5426\u5b58\u5728\u8fd9\u4e2a\u5e38\u91cf\uff0c\u4e0d\u5b58\u5728\u5219\u6dfb\u52a0\u3002\u5229\u7528\u8fd9\u4e2a\u65b9\u6cd5\u53ef\u4ee5\u5236\u9020\u51fa\u5f02\u5e38<\/p>\n<pre><code class=\"line-numbers\">public class RuntimeConstantPoolOOM {\n    public static void main(){\n        List&lt;String&gt; list = new ArrayList&lt;String&gt;();\n        int i = 0;\n        String pre = \"ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss\" +\n                \"ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss\" +\n                \"ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss\" +\n                \"ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss\" +\n                \"ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss\";\n\n        while (true){\n            Log.e(\"CZ\", \"main: test\");\n            list.add(String.valueOf(pre + (i++)).intern());\n        }\n    }\n}\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u7b49\u5230\u51fa\u73b0\u5f02\u5e38\u4f1a\u9700\u8981\u5f88\u4e45\u7684\u8fc7\u7a0b\uff0c\u629b\u51fa\u5f02\u5e38\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"line-numbers\">java.lang.OutOfMemoryError: Failed to allocate a 1576 byte allocation with 4291168 free bytes and 4MB until OOM; failed due to fragmentation (required continguous free 131072 bytes for a new buffer where largest contiguous free 40960 bytes)\n<\/code><\/pre>\n<p>\u53e6\u5916\u5bf9String\u7684intern()\u8fd9\u4e2a\u65b9\u6cd5\u518d\u4f5c\u4e00\u4e0b\u8865\u5145\uff0cJDK1.6\u548cJDK1.7\u7684\u5e95\u5c42\u5b9e\u73b0\u4e0d\u4e00\u6837\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%E5%88%B6%E9%80%A0OutofMemoryError%E5%BC%82%E5%B8%B82\"><\/span>\u5236\u9020OutofMemoryError\u5f02\u5e382<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u901a\u8fc7\u4e00\u4e9b\u52a8\u6001\u4ee3\u7406\u7684\u6846\u67b6\uff0c\u5faa\u73af\u7684\u52a0\u8f7d\u589e\u5f3a\u7684\u7c7b\uff0c\u4e5f\u80fd\u5728\u65b9\u6cd5\u533a\u4ea7\u751f\u5f02\u5e38\u3002<\/p>\n<blockquote>\n<h1><span class=\"ez-toc-section\" id=\"%E5%9B%9B%E3%80%81%E5%9E%83%E5%9C%BE%E6%94%B6%E9%9B%86%E5%99%A8\"><\/span>\u56db\u3001\u5783\u573e\u6536\u96c6\u5668<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>  GC(Garbage Collection)\u7684\u6982\u5ff5\u5e76\u4e0d\u662fJava\u72ec\u6709\uff0c\u5f88\u591a\u5e74\u524d\u4eba\u4eec\u5c31\u5728\u601d\u8003GC\u8981\u505a\u76843\u4ef6\u4e8b\u60c5\uff1a<br \/>\n  1\uff09\u5bf9\u8c61\u5df2\u6b7b\u5417\uff1f<br \/>\n  2\uff09\u4ec0\u4e48\u65f6\u5019\u56de\u6536\uff1f<br \/>\n  3\uff09\u4f55\u65f6\u56de\u6536\uff1f\n<\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"%E5%AF%B9%E8%B1%A1%E5%B7%B2%E6%AD%BB%E5%90%97\"><\/span>\u5bf9\u8c61\u5df2\u6b7b\u5417<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>\u5f15\u7528\u8ba1\u6570\u6cd5<br \/>\n\u4f18\u70b9\uff1a\u5b9e\u73b0\u7b80\u5355\uff0c\u6548\u7387\u9ad8\u3002<br \/>\n\u7f3a\u70b9\uff1a\u65e0\u6cd5\u89e3\u51b3\u5bf9\u8c61\u5faa\u73af\u5f15\u7528\u7684\u95ee\u9898\u3002<\/li>\n<li>\u53ef\u8fbe\u6027\u5206\u6790\u7b97\u6cd5<br \/>\nGCRoots\u5bf9\u8c61\u5230\u5bf9\u8c61\u662f\u5426\u53ef\u8fbe<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"%E5%BC%95%E7%94%A8\"><\/span>\u5f15\u7528<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u300a\u6df1\u5165\u7406\u89e3Java\u865a\u62df\u673a\u300b\uff08\u5468\u5fd7\u660e\u8457\uff09\u4e66\u4e2d\u7b2c65\u9875\u5bf9\u8fd9\u4e2a\u90e8\u5206\u505a\u4e86\u5f88\u8be6\u7ec6\u7684\u8bf4\u660e\uff0cJava\u5f15\u7528\u5728JDK1.2\u5206\u4e3a\u5f3a\u3001\u8f6f\u3001\u5f31\u3001\u865a4\u79cd\u5f15\u7528\uff0c\u5f3a\u5ea6\u4f9d\u6b21\u51cf\u5c11\u3002<br \/>\n- \u5f3a\u5f15\u7528<br \/>\n\u76f4\u63a5\u7528Object obj = new Object()\u8fd9\u6837\u5f62\u5f0fnew\u51fa\u6765\u7684\u5bf9\u8c61\uff0c\u5982\u679c\u5f15\u7528\u8fd8\u5728\uff0c\u5783\u573e\u56de\u6536\u5668\u6c38\u8fdc\u4e0d\u4f1a\u56de\u6536\u3002<br \/>\n- \u5f31\u5f15\u7528<br \/>\n\u4f7f\u7528SoftReference\u521b\u5efa\uff0c\u5728\u7cfb\u7edf\u53d1\u751f\u5185\u5b58\u6ea2\u51fa\u4e4b\u524d\u4f1a\u56de\u6536\u8f6f\u5f15\u7528\u5173\u8054\u7684\u5bf9\u8c61\uff0c\u5982\u679c\u56de\u6536\u4e4b\u540e\u8fd8\u6ca1\u6709\u8db3\u591f\u7684\u5185\u5b58\u624d\u4f1a\u629b\u51fa\u5f02\u5e38\u3002<br \/>\n- \u8f6f\u5f15\u7528<br \/>\n\u4f7f\u7528WeakReference\u521b\u5efa\uff0c\u5f53\u5783\u573e\u56de\u6536\u5668\u5de5\u4f5c\u65f6\uff0c\u65e0\u8bba\u5185\u5b58\u662f\u5426\u7d27\u5f20\uff0c\u90fd\u4f1a\u56de\u6536\u8f6f\u5f15\u7528\u5173\u8054\u7684\u5bf9\u8c61\u3002<br \/>\n- \u865a\u5f15\u7528<br \/>\n\u4f7f\u7528PhantomReference\u521b\u5efa\uff0c\u4e0d\u4f1a\u5bf9\u5bf9\u8c61\u7684\u751f\u5b58\u65f6\u95f4\u9020\u6210\u5f71\u54cd\uff0c\u4e5f\u65e0\u6cd5\u901a\u8fc7\u865a\u5f15\u7528\u83b7\u53d6\u5bf9\u8c61\u5b9e\u4f8b\uff0c\u865a\u5f15\u7528\u53ea\u8d77\u5230\u5bf9\u8c61\u88ab\u5783\u573e\u56de\u6536\u5668\u56de\u6536\u65f6\u6536\u5230\u4e00\u4e2a\u7cfb\u7edf\u901a\u77e5\u7684\u4f5c\u7528\u800c\u5df2\u3002<\/p>\n<p><strong>\u5173\u4e8e\u8f6f\u5f15\u7528\u4e0e\u865a\u5f15\u7528\u6211\u8981\u5f3a\u8c03\u7684\u4e00\u4e2a\u91cd\u70b9\uff1a<\/strong><br 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class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5f53\u5bf9\u8c61\u4e0d\u53ef\u8fbe\u65f6\uff0c\u4e0d\u4ee3\u8868\u5b83\u5c31\u4e00\u5b9a\u4f1a\u6b7b\uff0c\u770b\u4e66\u4e2d\u7b2c66\u9875\u5bf9\u8fd9\u4e2a\u65b9\u6cd5\u7684\u8bf4\u660e\u3002<br \/>\n<a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/www.jianshu.com\/p\/0618241f9f44\">https:\/\/www.jianshu.com\/p\/0618241f9f44<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E6%96%B9%E6%B3%95%E5%8C%BA%EF%BC%88%E6%B0%B8%E4%B9%85%E4%BB%A3%EF%BC%89%E5%9B%9E%E6%94%B6\"><\/span>\u65b9\u6cd5\u533a\uff08\u6c38\u4e45\u4ee3\uff09\u56de\u6536<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4e3b\u8981\u56de\u6536\u5e9f\u5f03\u5e38\u91cf\u548c\u65e0\u7528\u7684\u7c7b<\/p>\n<blockquote>\n<h1><span class=\"ez-toc-section\" id=\"%E5%9E%83%E5%9C%BE%E6%94%B6%E9%9B%86%E7%AE%97%E6%B3%95\"><\/span>\u5783\u573e\u6536\u96c6\u7b97\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<ul>\n<li>\u6807\u8bb0-\u6e05\u9664\u7b97\u6cd5<br 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