{"id":389,"date":"2023-02-01T10:19:32","date_gmt":"2023-03-01T00:55:05","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/java%e4%b8%ad%e7%9a%84%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%8f%82%e6%95%b0\/"},"modified":"2025-08-02T03:46:49","modified_gmt":"2025-08-01T19:46:49","slug":"java%e4%b8%ad%e7%9a%84%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%8f%82%e6%95%b0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%8f%82%e6%95%b0\/","title":{"rendered":"Java\u547d\u4ee4\u884c\u53c2\u6570\u8be6\u89e3\uff1amain\u65b9\u6cd5args\u4f7f\u7528\u4e0e\u5904\u7406\u6280\u5de7"},"content":{"rendered":"<p>\u5728Java\u4e2d\uff0c\u547d\u4ee4\u884c\u53c2\u6570\u7528\u4e8e\u5c06\u53c2\u6570\u4f20\u9012\u7ed9\u4e3b\u7a0b\u5e8f\u3002\u5982\u679c\u60a8\u67e5\u770bJava\u7684\u4e3b\u65b9\u6cd5\u8bed\u6cd5\uff0c\u5b83\u4f1a\u63a5\u53d7\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u3002\u5f53\u6211\u4eec\u4f20\u9012\u547d\u4ee4\u884c\u53c2\u6570\u65f6\uff0c\u5b83\u4eec\u88ab\u89c6\u4e3a\u5b57\u7b26\u4e32\u5e76\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u4e3b\u51fd\u6570\u4e2d\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\u3002\u53c2\u6570\u9700\u8981\u4f5c\u4e3a\u4ee5\u7a7a\u683c\u5206\u9694\u7684\u503c\u4f20\u9012\u3002\u6211\u4eec\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u548c\u57fa\u672c\u6570\u636e\u7c7b\u578b\u4f5c\u4e3a\u547d\u4ee4\u884c\u53c2\u6570\u4f20\u9012\u3002\u8fd9\u4e9b\u53c2\u6570\u5c06\u88ab\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u5e76\u4f20\u9012\u5230\u4e3b\u65b9\u6cd5\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\u53c2\u6570\u4e2d\u3002<\/p>\n<h2>Java\u4e2d\u7684\u547d\u4ee4\u884c\u53c2\u6570<\/h2>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u7b80\u5355\u7684Java\u7c7b\u6765\u6253\u5370\u547d\u4ee4\u884c\u53c2\u6570\u503c\u3002<\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.examples;\r\n\r\npublic class CommandLineArguments {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\tSystem.out.println(\"\u547d\u4ee4\u884c\u53c2\u6570\u6570\u91cf = \"+args.length);\r\n\t\t\r\n\t\tfor(int i = 0; i&lt; args.length; i++) {\r\n\t\t\tSystem.out.println(String.format(\"\u547d\u4ee4\u884c\u53c2\u6570 %d \u662f %s\", i, args[i]));\r\n\t\t}\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n<p>\u5982\u679c\u6211\u4eec\u5728\u4e0d\u5e26\u4efb\u4f55\u53c2\u6570\u7684\u60c5\u51b5\u4e0b\u8fd0\u884c\u8fd9\u4e2a\u7c7b\uff0c\u8f93\u51fa\u5c06\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code>$ java com\/scdev\/examples\/CommandLineArguments.java\r\n\u547d\u4ee4\u884c\u53c2\u6570\u6570\u91cf = 0\r\n<\/code><\/pre>\n<p>\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u7ed9\u4e3b\u7c7b\u4f20\u9012\u4e00\u4e9b\u53c2\u6570\u3002\u6211\u4eec\u5fc5\u987b\u5c06\u53c2\u6570\u4f5c\u4e3a\u7528\u7a7a\u683c\u5206\u9694\u7684\u503c\u8fdb\u884c\u4f20\u9012\u3002<\/p>\n<pre class=\"post-pre\"><code>$ java com\/scdev\/examples\/CommandLineArguments.java \"A\" \"B\" \"C\"\r\n\u547d\u4ee4\u884c\u53c2\u6570\u6570\u91cf = 3\r\n\u547d\u4ee4\u884c\u53c2\u6570 0 \u662f A\r\n\u547d\u4ee4\u884c\u53c2\u6570 1 \u662f B\r\n\u547d\u4ee4\u884c\u53c2\u6570 2 \u662f C\r\n$ java com\/scdev\/examples\/CommandLineArguments.java 1 2 3      \r\n\u547d\u4ee4\u884c\u53c2\u6570\u6570\u91cf = 3\r\n\u547d\u4ee4\u884c\u53c2\u6570 0 \u662f 1\r\n\u547d\u4ee4\u884c\u53c2\u6570 1 \u662f 2\r\n\u547d\u4ee4\u884c\u53c2\u6570 2 \u662f 3\r\n$\r\n<\/code><\/pre>\n<p>\u6ce8\u610f\uff1a\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662fJava 11\u6216\u66f4\u9ad8\u7248\u672c\uff0c\u5219\u4e0d\u9700\u8981\u663e\u5f0f\u7f16\u8bd1Java\u6e90\u6587\u4ef6\u3002java\u547d\u4ee4\u5c06\u540c\u65f6\u8fdb\u884c\u7f16\u8bd1\u548c\u8fd0\u884c\u7c7b\u3002<\/p>\n<h2>\u5728Eclipse\u4e2d\u5982\u4f55\u4f20\u9012\u547d\u4ee4\u884c\u53c2\u6570<\/h2>\n<p>\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528Eclipse\u7684\u8fd0\u884c\u914d\u7f6e\u5411\u7a0b\u5e8f\u4f20\u9012\u547d\u4ee4\u884c\u53c2\u6570\u3002<\/p>\n<h4>\u6b65\u9aa41\uff1a\u6253\u5f00\u8bfe\u5802\u8fd0\u884c\u914d\u7f6e\u8bbe\u7f6e<\/h4>\n<p>\u4ece\u7c7b\u7f16\u8f91\u5668\u4e2d\uff0c\u53f3\u51fb\u5e76\u9009\u62e9&#8221;\u8fd0\u884c\u4e3a&#8221; -> &#8220;\u8fd0\u884c\u914d\u7f6e\u2026&#8221;\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/6564859ca4b2f92e6c730a5f\/13-0.png\" alt=\"Eclipse\u8fd0\u884c\u914d\u7f6e\" \/><\/div>\n<h4>\u6b65\u9aa4\u4e8c\uff1a\u5728\u53c2\u6570\u9009\u9879\u5361\u4e2d\u6307\u5b9a\u7a0b\u5e8f\u53c2\u6570\u3002<\/h4>\n<p>\u5728\u5f39\u51fa\u7a97\u53e3\u4e2d\uff0c\u70b9\u51fb\u53c2\u6570\u9009\u9879\u5361\u3002\u7136\u540e\u5728&#8221;\u7a0b\u5e8f\u53c2\u6570&#8221;\u6587\u672c\u6846\u4e2d\u63d0\u4f9b\u547d\u4ee4\u884c\u53c2\u6570\u7684\u503c\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/6564859ca4b2f92e6c730a5f\/16-0.png\" alt=\"Eclipse\u547d\u4ee4\u884c\u53c2\u6570\" \/><\/div>\n<h4>\u7b2c\u4e09\u6b65\uff1a\u70b9\u51fb\u8fd0\u884c\u6309\u94ae\u3002<\/h4>\n<p>\u5f53\u60a8\u5355\u51fb&#8221;\u8fd0\u884c&#8221;\u6309\u94ae\u65f6\uff0c\u8fd0\u884c\u914d\u7f6e\u5c06\u88ab\u4fdd\u5b58\uff0c\u5e76\u4f7f\u7528\u6307\u5b9a\u7684\u547d\u4ee4\u884c\u53c2\u6570\u6765\u6267\u884c\u7a0b\u5e8f\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/6564859ca4b2f92e6c730a5f\/19-0.png\" alt=\"Eclipse\u547d\u4ee4\u884c\u53c2\u6570\u793a\u4f8b\" \/><\/div>\n<p>\u5982\u679c\u60a8\u518d\u6b21\u8fd0\u884c\u8be5\u7c7b\uff0c\u5c06\u4f7f\u7528\u4fdd\u5b58\u7684\u8fd0\u884c\u914d\u7f6e\u3002\u56e0\u6b64\uff0c\u5982\u679c\u60a8\u60f3\u8981\u8986\u76d6\u547d\u4ee4\u884c\u53c2\u6570\u6216\u5220\u9664\u5b83\u4eec\uff0c\u60a8\u5c06\u9700\u8981\u6253\u5f00\u8fd0\u884c\u914d\u7f6e\u7a97\u53e3\u5e76\u8fdb\u884c\u5fc5\u8981\u7684\u66f4\u6539\u3002<\/p>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u4f7f\u7528\u547d\u4ee4\u884c\u53c2\u6570\u63d0\u4f9b\u8fd0\u884c\u7a0b\u5e8f\u6240\u5fc5\u9700\u7684\u503c\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u6307\u5b9a\u7a0b\u5e8f\u6240\u4f7f\u7528\u7684\u6570\u636e\u5e93\u51ed\u636e\u3002\u6211\u4eec\u53ef\u4ee5\u6307\u5b9a\u914d\u7f6e\u6587\u4ef6\u7684\u4f4d\u7f6e\uff0c\u4ece\u4e2d\u7a0b\u5e8f\u53ef\u4ee5\u83b7\u53d6\u6240\u9700\u7684\u503c\u3002\u53c2\u8003\uff1a\u547d\u4ee4\u884c\u53c2\u6570 Oracle \u6587\u6863\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728Java\u4e2d\uff0c\u547d\u4ee4\u884c\u53c2\u6570\u7528\u4e8e\u5c06\u53c2\u6570\u4f20\u9012\u7ed9\u4e3b\u7a0b\u5e8f\u3002\u5982\u679c\u60a8\u67e5\u770bJava\u7684\u4e3b\u65b9\u6cd5\u8bed\u6cd5\uff0c\u5b83\u4f1a\u63a5\u53d7\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570 [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1265,1264,183,180,494],"class_list":{"0":"post-389","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"tag-args","8":"tag-java","11":"tag-main"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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