{"id":31221,"date":"2023-10-14T14:28:17","date_gmt":"2022-11-07T16:32:39","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%b1%bb%e8%b7%af%e5%be%84-2\/"},"modified":"2025-08-12T22:54:55","modified_gmt":"2025-08-12T14:54:55","slug":"java%e7%b1%bb%e8%b7%af%e5%be%84-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%b1%bb%e8%b7%af%e5%be%84-2\/","title":{"rendered":"Java\u7c7b\u8def\u5f84"},"content":{"rendered":"

\u7f16\u8bd1\u548c\u8fd0\u884cJava\u7a0b\u5e8f\u3002<\/h2>\n

\u60f3\u8981\u8fd0\u884ccom.sample.app\u5305\u4e0b\u7684Main.java\u6587\u4ef6\u3002
\nFQCN\uff08\u5168\u9650\u5b9a\u7c7b\u540d\uff1aFully Qualified Class Name\uff09\u4e3acom.sample.app.Main\u3002<\/p>\n

\u7f16\u8bd1<\/h3>\n

\u5728\u4f7f\u7528 $ cd \u547d\u4ee4\u5207\u6362\u5230\u5b58\u653e Main.java \u6587\u4ef6\u7684\u76ee\u5f55\u540e\uff0c\u6267\u884c $ javac \u547d\u4ee4\u3002<\/p>\n

$<\/span> javac Main.java\r\n<\/code><\/pre>\n
\u8fdb\u884c<\/h3>\n
\u8981\u6267\u884c\u901a\u8fc7\u7f16\u8bd1\u751f\u6210\u7684\u7c7b\u6587\u4ef6(Main.class)\uff0c\u9700\u8981\u6267\u884c$ java\u547d\u4ee4\u3002<\/p>\n
$<\/span> java com.sample.app.Main\r\n<\/code><\/pre>\n
$ javac\u6307\u4ee4\u9700\u8981\u6307\u5b9a\u6587\u4ef6\u540d
\n$ java\u6307\u4ee4\u9700\u8981\u6307\u5b9a\u7c7b\u540d(FQCN)<\/div>\n
\u53d1\u653e<\/h3>\n
\u8003\u8651\u5206\u53d1Java\u7a0b\u5e8f\u3002\u6240\u9700\u7684\u4e1c\u897f\u6709\u4ee5\u4e0b\u4e24\u4e2a\u3002<\/p>\n
    \n
  • \n
      \u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u305f\u30af\u30e9\u30b9\u30d5\u30a1\u30a4\u30eb(\u7269\u7406\u7684\u306a\u30c7\u30fc\u30bf)<\/ul>\n<\/li>\n<\/ul>\n
      main()\u3092\u6301\u3064\u30af\u30e9\u30b9\u540d(\u3069\u306e\u30af\u30e9\u30b9\u304b\u3068\u3044\u3046\u60c5\u5831)<\/p>\n
      \u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u7a0b\u5e8f\u4e0d\u4ec5\u4ec5\u7531Main.java\u8fd9\u4e2a\u6587\u4ef6\u7ec4\u6210\uff0c\u8fd8\u4f1a\u4f7f\u7528\u591a\u4e2a\u7c7b\u548c\u5e93\u7b49\u3002\u56e0\u6b64\uff0c\u9700\u8981\u5c06\u8fd9\u4e9b\u7f16\u8bd1\u540e\u7684\u7c7b\u6587\u4ef6\u7b49\u5168\u90e8\u6253\u5305\u6210JAR\u683c\u5f0f\u7684\u5f52\u6863\u6587\u4ef6\u6765\u8fdb\u884c\u5206\u53d1\u3002<\/p>\n
      main()\u662f\u7a0b\u5e8f\u7684\u8d77\u70b9\uff0c\u4e5f\u88ab\u79f0\u4e3a\u5165\u53e3\u70b9\u3002java\u547d\u4ee4\u9700\u8981\u6307\u5b9a\u5305\u542bmain()\u7684\u7c7b\u540d(FQCN)\u3002<\/p>\n
      \u5c06\u5176\u8f6c\u6362\u4e3aJAR\u6587\u4ef6\u65f6\uff0c\u8fd8\u6709\u4e00\u79cd\u65b9\u6cd5\u662f\u5728MANIFEST.MF\u6587\u4ef6\u4e2d\u8bb0\u5f55\u5165\u53e3\u70b9\u3002<\/p>\n
      \u5f53\u6267\u884cFQCN\u65f6\uff0cJVM\uff08Java\u865a\u62df\u673a\uff09\u4f1a\u4ece\u6307\u5b9a\u7684FQCN\u7c7b\u7684main()\u65b9\u6cd5\u5f00\u59cb\u6267\u884c\u7a0b\u5e8f\uff0c\u4f46\u5728main()\u65b9\u6cd5\u4e2d\u4f7f\u7528\u7684\u5176\u4ed6\u6587\u4ef6\u548c\u7c7b\u9700\u8981\u5728\u7c7b\u8def\u5f84\u4e2d\u6307\u5b9a\u3002JVM\u65e0\u6cd5\u627e\u5230\u7c7b\u6587\u4ef6\u5b58\u653e\u5728\u7c7b\u8def\u5f84\u4e4b\u5916\u7684\u4f4d\u7f6e\u3002<\/p>\n
      \u8bfe\u7a0b\u8def\u5f84<\/h2>\n
      \u30af\u30e9\u30b9\u30d1\u30b9\u306fJVM\u304c\u9ad8\u901f\u306b\u76ee\u7684\u306e\u30af\u30e9\u30b9\u30d5\u30a1\u30a4\u30eb\u3092\u691c\u7d22\u3059\u308b\u305f\u3081\u306e\u30d2\u30f3\u30c8\u3068\u3057\u3066\u5229\u7528\u3055\u308c\u308b\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u30af\u30e9\u30b9\u30ed\u30fc\u30c0\u306f\u3001\u30af\u30e9\u30b9\u30d1\u30b9\u306b\u6307\u5b9a\u3055\u308c\u305f\u30d1\u30b9\u304b\u3089\u30af\u30e9\u30b9\u30d5\u30a1\u30a4\u30eb\u3092\u63a2\u3057\u51fa\u3059\u3002<\/p>\n
      \u30af\u30e9\u30b9\u30d1\u30b9\u306b\u306f\u3001\u30d5\u30a9\u30eb\u30c0\u3084Jar\u30d5\u30a1\u30a4\u30eb\u304c\u6307\u5b9a\u53ef\u80fd\u3002<\/p>\n
      \u30af\u30e9\u30b9\u30ed\u30fc\u30c0\u306f\u3001\u30af\u30e9\u30b9\u30d1\u30b9\u306b\u542b\u307e\u308c\u308bJAR\u30d5\u30a1\u30a4\u30eb\u306e\u4e2d\u307e\u3067\u306f\u691c\u7d22\u3057\u306a\u3044\u3002\u305d\u306e\u305f\u3081\u3001JAR\u30d5\u30a1\u30a4\u30eb\u5185\u3092\u6307\u5b9a\u3057\u305f\u3044\u5834\u5408\u306f\u3001JAR\u30d5\u30a1\u30a4\u30eb\u81ea\u4f53\u3092\u30af\u30e9\u30b9\u30d1\u30b9\u306b\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n
      \u30af\u30e9\u30b9\u30d1\u30b9\u306b\u6307\u5b9a\u3057\u305f\u3044\u30af\u30e9\u30b9\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u306f\u306a\u304f\u3001\u7279\u5b9a\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u5c5e\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30af\u30e9\u30b9\u30ed\u30fc\u30c0\u306f\u30af\u30e9\u30b9\u30d1\u30b9\u3092\u57fa\u6e96\u4f4d\u7f6e\u3068\u3057\u3066\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30d5\u30a9\u30eb\u30c0\u968e\u5c64\u3068\u307f\u306a\u3057\u3066\u691c\u7d22\u3092\u884c\u3046\u3002\u5177\u4f53\u7684\u306b\u306f\u3001C:\u00a5aaa\u3092\u30af\u30e9\u30b9\u30d1\u30b9\u306b\u6307\u5b9a\u3057\u3001com.sample.app\u30d1\u30c3\u30b1\u30fc\u30b8\u306ebbb.class\u3092\u691c\u7d22\u3055\u305b\u305f\u3044\u5834\u5408\u3001bbb.class\u306fC:\u00a5aaa\u00a5com\u00a5sample\u00a5app\u30d5\u30a9\u30eb\u30c0\u306b\u914d\u7f6e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u7f16\u8bd1\u548c\u8fd0\u884cJava\u7a0b\u5e8f\u3002 \u60f3\u8981\u8fd0\u884ccom.sample.app\u5305\u4e0b\u7684Main.java\u6587\u4ef6\u3002 FQCN\uff08\u5168\u9650\u5b9a […]<\/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":[227],"class_list":["post-31221","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\nJava\u7c7b\u8def\u5f84 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8eJava\u7c7b\u8def\u5f84\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u7c7b\u8def\u5f84-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u7c7b\u8def\u5f84\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8eJava\u7c7b\u8def\u5f84\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u7c7b\u8def\u5f84-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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