{"id":202589,"date":"2025-05-22T08:29:51","date_gmt":"2025-05-22T00:29:51","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202589\/"},"modified":"2025-05-22T08:29:51","modified_gmt":"2025-05-22T00:29:51","slug":"java-%e5%87%bd%e6%95%b0%e6%80%a7%e8%83%bd%e5%bc%80%e9%94%80%e7%9a%84%e5%b8%b8%e8%a7%81%e5%8e%9f%e5%9b%a0%e5%8f%8a%e5%85%b6%e8%a7%a3%e5%86%b3%e5%8a%9e%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202589\/","title":{"rendered":"Java \u51fd\u6570\u6027\u80fd\u5f00\u9500\u7684\u5e38\u89c1\u539f\u56e0\u53ca\u5176\u89e3\u51b3\u529e\u6cd5"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java \u51fd\u6570\u6027\u80fd\u5f00\u9500\u7684\u5e38\u89c1\u539f\u56e0\u53ca\u5176\u89e3\u51b3\u529e\u6cd5<\/h1>\n<p>\u76ee\u524d\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aJava \u51fd\u6570\u6027\u80fd\u5f00\u9500\u7684\u5e38\u89c1\u539f\u56e0\u53ca\u5176\u89e3\u51b3\u529e\u6cd5\u300b<\/span>\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~<\/p>\n<p>\u5728 Java \u4e2d\uff0c\u51fd\u6570\u6027\u80fd\u5f00\u9500\u7684\u5e38\u89c1\u539f\u56e0\u5305\u62ec\uff1a\u5bf9\u8c61\u5206\u914d\u8fc7\u5ea6\u3001\u9012\u5f52\u8c03\u7528\u3001\u8fc7\u5ea6\u4f7f\u7528\u5b57\u7b26\u4e32\u8fde\u63a5\u3001\u65f6\u95f4\u590d\u6742\u5ea6\u9ad8\u3001\u8f93\u5165\u8f93\u51fa\u64cd\u4f5c\u3002\u89e3\u51b3\u65b9\u6848\u5305\u62ec\uff1a\u4f7f\u7528\u5bf9\u8c61\u6c60\u3001\u8fed\u4ee3\u66ff\u6362\u9012\u5f52\u3001\u4f7f\u7528 StringBuilder \u8fde\u63a5\u5b57\u7b26\u4e32\u3001\u9009\u62e9\u6548\u7387\u8f83\u9ad8\u7684\u7b97\u6cd5\u3001\u4f7f\u7528\u975e\u963b\u585e I\/O \u64cd\u4f5c\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729920452671c7dc43c7c1.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java \u51fd\u6570\u6027\u80fd\u5f00\u9500\u7684\u5e38\u89c1\u539f\u56e0\u53ca\u5176\u89e3\u51b3\u529e\u6cd5<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u51fd\u6570\u6027\u80fd\u5f00\u9500\u662f\u4e00\u4e2a\u5e38\u89c1\u95ee\u9898\u3002\u4f18\u5316\u51fd\u6570\u6027\u80fd\u5bf9\u4e8e\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6574\u4f53\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u8ba8\u8bba\u5bfc\u81f4 Java \u51fd\u6570\u6027\u80fd\u5f00\u9500\u7684\u5e38\u89c1\u539f\u56e0\uff0c\u5e76\u63d0\u4f9b\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u7684\u5b9e\u9645\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p><strong>1. \u5bf9\u8c61\u5206\u914d<\/strong><\/p>\n<p>\u8fc7\u5ea6\u751f\u6210\u65b0\u5bf9\u8c61\u4f1a\u5bfc\u81f4\u5783\u573e\u56de\u6536\u5f00\u9500\uff0c\u5e76\u5f71\u54cd\u6027\u80fd\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528\u5bf9\u8c61\u6c60\u6765\u91cd\u7528\u5bf9\u8c61\u3002<\/li>\n<li>\u8003\u8651\u4f7f\u7528\u4e0d\u53ef\u53d8\u5bf9\u8c61\uff0c\u56e0\u4e3a\u5b83\u4eec\u4e0d\u4f1a\u751f\u6210\u526f\u672c\u3002<\/li>\n<li>\u5728\u5faa\u73af\u5185\u907f\u514d\u521b\u5efa\u65b0\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<p><strong>2. \u9012\u5f52\u8c03\u7528<\/strong><\/p>\n<p>\u9012\u5f52\u51fd\u6570\u7684\u6548\u7387\u5f88\u4f4e\uff0c\u56e0\u4e3a\u5b83\u4eec\u4f1a\u521b\u5efa\u5806\u6808\u5e27\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<ul>\n<li>\u8003\u8651\u4f7f\u7528\u8fed\u4ee3\u6765\u66ff\u6362\u9012\u5f52\u3002<\/li>\n<li>\u5bf9\u4e8e\u7b80\u5355\u7684\u9012\u5f52\u8c03\u7528\uff0c\u4f7f\u7528\u5c3e\u8c03\u7528\u4f18\u5316\u3002<\/li>\n<li>\u5bf9\u4e8e\u6df1\u5ea6\u9012\u5f52\uff0c\u4f7f\u7528\u5206\u6cbb\u6cd5\u3002<\/li>\n<\/ul>\n<p><strong>3. \u8fc7\u5ea6\u4f7f\u7528\u5b57\u7b26\u4e32\u8fde\u63a5<\/strong><\/p>\n<p>\u9891\u7e41\u7684\u5b57\u7b26\u4e32\u8fde\u63a5\u4f1a\u5bfc\u81f4\u4e2d\u95f4\u5b57\u7b26\u4e32\u5bf9\u8c61\u751f\u6210\uff0c\u4ece\u800c\u9020\u6210\u6027\u80fd\u5f00\u9500\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528 <code>StringBuilder<\/code> \u6765\u8fde\u63a5\u5b57\u7b26\u4e32\u3002<\/li>\n<li>\u4f7f\u7528 <code>String.join()<\/code> \u65b9\u6cd5\u8fde\u63a5\u5b57\u7b26\u4e32\u6570\u7ec4\u3002<\/li>\n<\/ul>\n<p><strong>4. \u65f6\u95f4\u590d\u6742\u5ea6\u9ad8<\/strong><\/p>\n<p>\u4e00\u4e9b\u51fd\u6570\u5177\u6709\u9ad8\u65f6\u95f4\u590d\u6742\u5ea6\uff0c\u4f8b\u5982\u6392\u5e8f\u6216\u641c\u7d22\u7b97\u6cd5\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<ul>\n<li>\u9009\u62e9\u4f7f\u7528\u6548\u7387\u8f83\u9ad8\u7684\u7b97\u6cd5\u3002<\/li>\n<li>\u8003\u8651\u4f7f\u7528\u7f13\u5b58\u6216\u7d22\u5f15\u6765\u52a0\u5feb\u67e5\u627e\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p><strong>5. \u8f93\u5165\u8f93\u51fa\u64cd\u4f5c<\/strong><\/p>\n<p>\u6587\u4ef6 I\/O \u548c\u7f51\u7edc I\/O \u64cd\u4f5c\u4f1a\u963b\u585e\u7ebf\u7a0b\uff0c\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528\u975e\u963b\u585e I\/O \u64cd\u4f5c\uff0c\u4f8b\u5982 <code>NIO<\/code>\u3002<\/li>\n<li>\u5728\u540e\u53f0\u7ebf\u7a0b\u4e2d\u6267\u884c I\/O \u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u6709\u4e00\u4e2a\u51fd\u6570\u5c06\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868\u8f6c\u6362\u4e3a\u9017\u53f7\u5206\u9694\u7684\u5b57\u7b26\u4e32\uff1a<\/p>\n<pre>public static String convertToString(List&lt;String&gt; strs) {\n    String result = \"\";\n    for (String str : strs) {\n        result += str + \",\";\n    }\n    return result;\n}<\/pre>\n<p><strong>\u4f18\u5316\u540e\u7684\u4ee3\u7801\uff1a<\/strong><\/p>\n<p>\u4f7f\u7528\u4e86 <code>StringBuilder<\/code> \u6765\u907f\u514d\u5b57\u7b26\u4e32\u8fde\u63a5\u9020\u6210\u7684\u6027\u80fd\u5f00\u9500\u3002<\/p>\n<pre>public static String convertToString(List&lt;String&gt; strs) {\n    StringBuilder sb = new StringBuilder();\n    for (String str : strs) {\n        sb.append(str).append(\",\");\n    }\n    return sb.toString();\n}<\/pre>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java \u51fd\u6570\u6027\u80fd\u5f00\u9500\u7684\u5e38\u89c1\u539f\u56e0&#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-202589","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202589","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=202589"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202589\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202589"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202589"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}