{"id":202728,"date":"2025-05-22T09:35:21","date_gmt":"2025-05-22T01:35:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202728\/"},"modified":"2025-05-22T09:35:21","modified_gmt":"2025-05-22T01:35:21","slug":"java-%e4%b8%ad%e5%86%85%e5%ad%98%e7%ae%a1%e7%90%86%e4%b8%8d%e8%b6%b3%e5%a6%82%e4%bd%95%e5%bd%b1%e5%93%8d%e5%87%bd%e6%95%b0%e6%89%a7%e8%a1%8c%e6%95%88%e7%8e%87%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202728\/","title":{"rendered":"Java \u4e2d\u5185\u5b58\u7ba1\u7406\u4e0d\u8db3\u5982\u4f55\u5f71\u54cd\u51fd\u6570\u6267\u884c\u6548\u7387\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java \u4e2d\u5185\u5b58\u7ba1\u7406\u4e0d\u8db3\u5982\u4f55\u5f71\u54cd\u51fd\u6570\u6267\u884c\u6548\u7387\uff1f<\/h1>\n<p>\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aJava \u4e2d\u5185\u5b58\u7ba1\u7406\u4e0d\u8db3\u5982\u4f55\u5f71\u54cd\u51fd\u6570\u6267\u884c\u6548\u7387\uff1f\u300b<\/span>\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\uff0c\u6216\u8005\u662f\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n<p>\u5185\u5b58\u7ba1\u7406\u4e0d\u8db3\u5bf9 Java \u51fd\u6570\u6267\u884c\u6548\u7387\u7684\u5f71\u54cd\uff1a\u5bfc\u81f4\u6267\u884c\u5ef6\u8fdf\uff0c\u56e0\u9700\u8981\u65f6\u627e\u4e0d\u5230\u53ef\u7528\u5185\u5b58\u3002\u89e6\u53d1\u66f4\u9891\u7e41\u7684\u5783\u573e\u6536\u96c6\uff0c\u589e\u52a0\u6027\u80fd\u5f00\u9500\u3002\u5728\u7269\u7406\u5185\u5b58\u4e0d\u8db3\u65f6\uff0c\u5bfc\u81f4\u5bf9\u8c61\u4ea4\u6362\u5230\u78c1\u76d8\uff0c\u589e\u52a0\u5ef6\u8fdf\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729937124671cbee42f8f1.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java \u4e2d\u5185\u5b58\u7ba1\u7406\u4e0d\u8db3\u5bf9\u51fd\u6570\u6267\u884c\u6548\u7387\u7684\u5f71\u54cd<\/strong><\/p>\n<p><strong>\u6982\u8ff0<\/strong><\/p>\n<p>\u5185\u5b58\u7ba1\u7406\u5728 Java \u4e2d\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u4f1a\u76f4\u63a5\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002\u5f53\u5185\u5b58\u7ba1\u7406\u4e0d\u8db3\u65f6\uff0c\u5b83\u53ef\u80fd\u4f1a\u5bfc\u81f4\u51fd\u6570\u6267\u884c\u6548\u7387\u4e0b\u964d\u3002<\/p>\n<p><strong>\u5185\u5b58\u7ba1\u7406\u4e0d\u8db3\u7684\u539f\u56e0<\/strong><\/p>\n<p>\u5185\u5b58\u7ba1\u7406\u4e0d\u8db3\u901a\u5e38\u662f\u7531\u4ee5\u4e0b\u539f\u56e0\u5f15\u8d77\u7684\uff1a<\/p>\n<ul>\n<li>\u521b\u5efa\u8fc7\u591a\u7684\u5bf9\u8c61<\/li>\n<li>\u672a\u6b63\u786e\u91ca\u653e\u5bf9\u8c61<\/li>\n<li>\u5bf9\u8c61\u5927\u5c0f\u8fc7\u5927<\/li>\n<\/ul>\n<p><strong>\u5bf9\u51fd\u6570\u6267\u884c\u6548\u7387\u7684\u5f71\u54cd<\/strong><\/p>\n<p>\u5185\u5b58\u7ba1\u7406\u4e0d\u8db3\u4f1a\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u964d\u4f4e\u51fd\u6570\u6267\u884c\u6548\u7387\uff1a<\/p>\n<ul>\n<li><strong>\u5ef6\u8fdf\uff1a<\/strong>\u5728\u9700\u8981\u65f6\u627e\u4e0d\u5230\u53ef\u7528\u7684\u5185\u5b58\u4f1a\u5bfc\u81f4\u6267\u884c\u5ef6\u8fdf\u3002<\/li>\n<li><strong>\u5783\u573e\u6536\u96c6\u5f00\u9500\uff1a<\/strong>\u5185\u5b58\u7ba1\u7406\u4e0d\u8db3\u4f1a\u89e6\u53d1\u66f4\u9891\u7e41\u7684\u5783\u573e\u6536\u96c6\uff0c\u4ece\u800c\u8fdb\u4e00\u6b65\u964d\u4f4e\u6027\u80fd\u3002<\/li>\n<li><strong>\u5185\u5b58\u4ea4\u6362\uff1a<\/strong>\u5f53\u7269\u7406\u5185\u5b58\u4e0d\u8db3\u65f6\uff0cJava \u865a\u62df\u673a\u53ef\u80fd\u4f1a\u5c06\u4e00\u4e9b\u5bf9\u8c61\u4ea4\u6362\u5230\u8f83\u6162\u7684\u78c1\u76d8\u5b58\u50a8\u4e2d\uff0c\u5bfc\u81f4\u989d\u5916\u7684\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\u6bb5\uff0c\u5b83\u5728\u5faa\u73af\u4e2d\u521b\u5efa\u5927\u578b\u5bf9\u8c61\uff1a<\/p>\n<pre>public static void main(String[] args) {\n    for (int i = 0; i &lt; 100000; i++) {\n        byte[] largeArray = new byte[1000000];\n    }\n}<\/pre>\n<p>\u5728\u6b64\u4ee3\u7801\u6bb5\u4e2d\uff0c\u6bcf\u6b21\u5faa\u73af\u8fed\u4ee3\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u4e00\u767e\u4e07\u4e2a\u5b57\u8282\u7684\u5927\u578b\u6570\u7ec4\u3002\u8fd9\u4f1a\u5bfc\u81f4\u4e25\u91cd\u7684\u5185\u5b58\u7ba1\u7406\u4e0d\u8db3\uff0c\u4ece\u800c\u663e\u7740\u964d\u4f4e\u51fd\u6570\u6267\u884c\u6548\u7387\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n<p>\u89e3\u51b3\u5185\u5b58\u7ba1\u7406\u4e0d\u8db3\u7684\u95ee\u9898\u81f3\u5173\u91cd\u8981\uff1a<\/p>\n<ul>\n<li><strong>\u76d1\u89c6\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff1a<\/strong>\u4f7f\u7528 Java \u6027\u80fd\u76d1\u63a7\u5de5\u5177\u6765\u76d1\u89c6\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u5e76\u8bc6\u522b\u95ee\u9898\u533a\u57df\u3002<\/li>\n<li><strong>\u51cf\u5c11\u5bf9\u8c61\u521b\u5efa\uff1a<\/strong>\u4f18\u5316\u4ee3\u7801\u4ee5\u51cf\u5c11\u5bf9\u8c61\u521b\u5efa\uff0c\u4f8b\u5982\u4f7f\u7528\u5bf9\u8c61\u6c60\u6216\u91cd\u7528\u5bf9\u8c61\u3002<\/li>\n<li><strong>\u6b63\u786e\u91ca\u653e\u5bf9\u8c61\uff1a<\/strong>\u59cb\u7ec8\u5728\u4e0d\u518d\u9700\u8981\u65f6\u663e\u5f0f\u91ca\u653e\u5bf9\u8c61\uff0c\u4f8b\u5982\u4f7f\u7528 <code>try-with-resources<\/code> \u8bed\u53e5\u6216 <code>finalize()<\/code> \u65b9\u6cd5\u3002<\/li>\n<li><strong>\u4f18\u5316\u5bf9\u8c61\u5927\u5c0f\uff1a<\/strong>\u8003\u8651\u4f7f\u7528\u66f4\u5c0f\u7684\u5bf9\u8c61\u6216\u5c06\u6570\u636e\u5b58\u50a8\u5728\u66f4\u7d27\u51d1\u7684\u6570\u636e\u7ed3\u6784\u4e2d\u3002<\/li>\n<li><strong>\u8c03\u6574\u5783\u573e\u6536\u96c6\u8bbe\u7f6e\uff1a<\/strong>\u8c03\u6574\u5783\u573e\u6536\u96c6\u7b97\u6cd5\u548c\u914d\u7f6e\u4ee5\u4f18\u5316\u6027\u80fd\u3002<\/li>\n<\/ul>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aJava \u4e2d\u5185\u5b58\u7ba1\u7406\u4e0d\u8db3\u5982\u4f55\u5f71\u54cd\u51fd\u6570\u6267\u884c\u6548\u7387\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java \u4e2d\u5185\u5b58\u7ba1\u7406\u4e0d\u8db3\u5982\u4f55\u5f71\u54cd&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-202728","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202728","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202728"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202728\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}