{"id":202556,"date":"2025-05-22T09:26:17","date_gmt":"2025-05-22T01:26:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202556\/"},"modified":"2025-05-22T09:26:17","modified_gmt":"2025-05-22T01:26:17","slug":"java-%e5%87%bd%e6%95%b0%e6%89%a7%e8%a1%8c%e6%95%88%e7%8e%87%e4%bd%8e%e7%9a%84%e9%97%ae%e9%a2%98%e6%98%af%e5%a6%82%e4%bd%95%e4%ba%a7%e7%94%9f%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202556\/","title":{"rendered":"Java \u51fd\u6570\u6267\u884c\u6548\u7387\u4f4e\u7684\u95ee\u9898\u662f\u5982\u4f55\u4ea7\u751f\u7684\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java \u51fd\u6570\u6267\u884c\u6548\u7387\u4f4e\u7684\u95ee\u9898\u662f\u5982\u4f55\u4ea7\u751f\u7684\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 \u51fd\u6570\u6267\u884c\u6548\u7387\u4f4e\u7684\u95ee\u9898\u662f\u5982\u4f55\u4ea7\u751f\u7684\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>Java \u51fd\u6570\u6267\u884c\u6548\u7387\u4f4e\u4e0b\u7684\u539f\u56e0\u53ca\u4f18\u5316\u65b9\u6cd5\uff1a\u591a\u6b21\u521b\u5efa\u5bf9\u8c61\uff1a\u4f7f\u7528\u5bf9\u8c61\u6c60\u6216\u5355\u4f8b\u6a21\u5f0f\u590d\u7528\u5bf9\u8c61\u3002\u4e0d\u5fc5\u8981\u7684\u7c7b\u578b\u8f6c\u6362\uff1a\u4f7f\u7528\u539f\u751f\u7c7b\u578b\uff0c\u907f\u514d\u7f16\u8bd1\u65f6\u4ee5\u5916\u7684\u8f6c\u6362\u3002\u6df1\u5ea6\u5faa\u73af\uff1a\u6241\u5e73\u5316\u5faa\u73af\u6216\u4f7f\u7528\u66ff\u4ee3\u6570\u636e\u7ed3\u6784\uff0c\u5982\u6811\u6216\u56fe\u3002\u8c03\u7528\u5f00\u9500\u5927\u7684\u65b9\u6cd5\uff1a\u4f18\u5316\u65b9\u6cd5\u6216\u4f7f\u7528\u66ff\u4ee3\u65b9\u6848\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729917456671c721098b40.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java \u51fd\u6570\u6267\u884c\u6548\u7387\u4f4e\u4e0b\u7684\u539f\u56e0\u53ca\u4f18\u5316\u65b9\u6cd5<\/strong><\/p>\n<p><strong>\u539f\u56e0\u4e00\uff1a\u591a\u6b21\u521b\u5efa\u5bf9\u8c61<\/strong><\/p>\n<ul>\n<li><strong>\u95ee\u9898\uff1a<\/strong>\u53cd\u590d\u521b\u5efa\u5bf9\u8c61\u4f1a\u5bfc\u81f4\u5927\u91cf\u5f00\u9500\uff0c\u5982\u5185\u5b58\u5206\u914d\u548c\u6784\u9020\u51fd\u6570\u8c03\u7528\u3002<\/li>\n<li><strong>\u4f18\u5316\uff1a<\/strong>\u4f7f\u7528\u5bf9\u8c61\u6c60\u6216\u5355\u4f8b\u6a21\u5f0f\u6765\u590d\u7528\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u521b\u5efa\u5bf9\u8c61\u6c60\nObjectPool pool = new ObjectPool();\n\n\/\/ \u4ece\u5bf9\u8c61\u6c60\u4e2d\u83b7\u53d6\u5bf9\u8c61\nObject obj = pool.getObject();\n\n\/\/ \u4f7f\u7528\u5bf9\u8c61\nobj.doSomething();\n\n\/\/ \u5c06\u5bf9\u8c61\u5f52\u8fd8\u7ed9\u5bf9\u8c61\u6c60\npool.returnObject(obj);<\/pre>\n<p><strong>\u539f\u56e0\u4e8c\uff1a\u4e0d\u5fc5\u8981\u7684\u7c7b\u578b\u8f6c\u6362<\/strong><\/p>\n<ul>\n<li><strong>\u95ee\u9898\uff1a<\/strong>\u7c7b\u578b\u8f6c\u6362\u4f1a\u6d88\u8017\u65f6\u95f4\u548c\u8d44\u6e90\uff0c\u5c24\u5176\u662f\u5728\u9891\u7e41\u8f6c\u6362\u7684\u60c5\u51b5\u4e0b\u3002<\/li>\n<li><strong>\u4f18\u5316\uff1a<\/strong>\u5728\u7f16\u8bd1\u65f6\u5c3d\u53ef\u80fd\u4f7f\u7528\u539f\u751f\u7c7b\u578b\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8f6c\u6362\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u4f7f\u7528\u539f\u751f int\nint sum = x + y;\n\n\/\/ \u907f\u514d\u4f7f\u7528 Object \u7c7b\u578b\nInteger num1 = 10;\nint num2 = 20;\nint sum = num1 + num2;  \/\/ \u81ea\u52a8\u89e3\u5305<\/pre>\n<p><strong>\u539f\u56e0\u4e09\uff1a\u6df1\u5ea6\u5faa\u73af<\/strong><\/p>\n<ul>\n<li><strong>\u95ee\u9898\uff1a<\/strong>\u6df1\u5165\u5d4c\u5957\u7684\u5faa\u73af\u4f1a\u5bfc\u81f4\u51fd\u6570\u6267\u884c\u65f6\u95f4\u5448\u6307\u6570\u7ea7\u589e\u957f\u3002<\/li>\n<li><strong>\u4f18\u5316\uff1a<\/strong>\u6241\u5e73\u5316\u5faa\u73af\u6216\u4f7f\u7528\u5176\u4ed6\u6570\u636e\u7ed3\u6784\uff0c\u5982\u6811\u6216\u56fe\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u4f7f\u7528\u6241\u5e73\u5316\u5faa\u73af\nfor (int i = 0; i &lt; n; i++) {\n    for (int j = 0; j &lt; m; j++) {\n        \/\/ ...\n    }\n}\n\n\/\/ \u4f7f\u7528\u6811\u5f62\u7ed3\u6784\nNode root = buildTree(data);\ntraverseTree(root);<\/pre>\n<p><strong>\u539f\u56e0\u56db\uff1a\u8c03\u7528\u5f00\u9500\u5927\u7684\u65b9\u6cd5<\/strong><\/p>\n<ul>\n<li><strong>\u95ee\u9898\uff1a<\/strong>\u8c03\u7528\u590d\u6742\u6216\u8d44\u6e90\u5bc6\u96c6\u578b\u65b9\u6cd5\u4f1a\u663e\u8457\u964d\u4f4e\u6267\u884c\u6548\u7387\u3002<\/li>\n<li><strong>\u4f18\u5316\uff1a<\/strong>\u5c3d\u53ef\u80fd\u4f18\u5316\u8fd9\u4e9b\u65b9\u6cd5\u6216\u8003\u8651\u4f7f\u7528\u66ff\u4ee3\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u4f18\u5316\u6b64\u590d\u6742\u65b9\u6cd5\nprivate void complexMethod(int[] nums) {\n    \/\/ ...\n}<\/pre>\n<p><strong>\u5176\u4ed6\u4f18\u5316\u6280\u5de7\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528 JVM \u4f18\u5316\u9009\u9879 (-server)<\/li>\n<li>\u4f7f\u7528\u5e76\u884c\u5904\u7406<\/li>\n<li>\u907f\u514d\u4f7f\u7528\u53cd\u5c04<\/li>\n<li>\u7f13\u5b58\u7ed3\u679c<\/li>\n<\/ul>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aJava \u51fd\u6570\u6267\u884c\u6548\u7387\u4f4e\u7684\u95ee\u9898\u662f\u5982\u4f55\u4ea7\u751f\u7684\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java \u51fd\u6570\u6267\u884c\u6548\u7387\u4f4e\u7684\u95ee\u9898\u662f&#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-202556","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202556","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=202556"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202556\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202556"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202556"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}