{"id":2246,"date":"2024-03-13T15:48:40","date_gmt":"2024-03-13T06:48:40","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%ab%e3%81%afmain%e9%96%a2%e6%95%b0%e3%81%8c%e3%81%aa%e3%81%84%e3%81%a8%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e5%ae%9f%e8%a1%8c%e3%81%95%e3%82%8c%e3%81%be%e3%81%99%e3%81%8b%e3%80%82\/"},"modified":"2025-08-02T05:38:28","modified_gmt":"2025-08-01T20:38:28","slug":"java%e3%81%ab%e3%81%afmain%e9%96%a2%e6%95%b0%e3%81%8c%e3%81%aa%e3%81%84%e3%81%a8%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e5%ae%9f%e8%a1%8c%e3%81%95%e3%82%8c%e3%81%be%e3%81%99%e3%81%8b%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%ab%e3%81%afmain%e9%96%a2%e6%95%b0%e3%81%8c%e3%81%aa%e3%81%84%e3%81%a8%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e5%ae%9f%e8%a1%8c%e3%81%95%e3%82%8c%e3%81%be%e3%81%99%e3%81%8b%e3%80%82\/","title":{"rendered":"Java\u306b\u306fmain\u95a2\u6570\u304c\u306a\u3044\u3068\u3069\u306e\u3088\u3046\u306b\u5b9f\u884c\u3055\u308c\u307e\u3059\u304b\u3002"},"content":{"rendered":"<p>Java\u3067\u306f\u3001\u5404\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u306f\u901a\u5e38\u3001main\u30e1\u30bd\u30c3\u30c9\u3092\u5165\u308a\u53e3\u95a2\u6570\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001main\u30e1\u30bd\u30c3\u30c9\u304c\u306a\u3044\u5834\u5408\u306bJava\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3044\u305a\u308c\u304b\u306e\u65b9\u6cd5\u3092\u691c\u8a0e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Java\u30af\u30e9\u30b9\u5185\u3067\u3001\u9759\u7684\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\uff08static block\uff09\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u30ed\u30b8\u30c3\u30af\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u9759\u7684\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u306f\u30af\u30e9\u30b9\u306e\u8aad\u307f\u8fbc\u307f\u6642\u306b\u5b9f\u884c\u3055\u308c\u3001\u5909\u6570\u306e\u521d\u671f\u5316\u3084\u30ea\u30bd\u30fc\u30b9\u306e\u8aad\u307f\u8fbc\u307f\u306a\u3069\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/p>\n<pre class=\"post-pre\"><code class=\"lang-java\">public class MainWithoutMain {\r\n    static {\r\n        System.out.println(\"This is the entry point of the program\");\r\n        \/\/ Add your program logic here\r\n    }\r\n\r\n    public static void main(String[] args) {\r\n        \/\/ This method can be empty or not used\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>2\u3001Launcher\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001\u5358\u72ec\u306e\u8d77\u52d5\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u3001\u305d\u306e\u30af\u30e9\u30b9\u306bmain\u30e1\u30bd\u30c3\u30c9\u3092\u542b\u3081\u3001\u305d\u306e\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u4ed6\u306e\u30af\u30e9\u30b9\u306e\u30b3\u30fc\u30c9\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u306f\u3001\u8d77\u52d5\u30ed\u30b8\u30c3\u30af\u3092\u5225\u306e\u30af\u30e9\u30b9\u306b\u59d4\u4efb\u3059\u308b\u65b9\u6cd5\u306b\u4f3c\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/p>\n<pre class=\"post-pre\"><code class=\"lang-java\">public class AppLauncher {\r\n    public static void main(String[] args) {\r\n        System.out.println(\"This is the entry point of the program\");\r\n        \/\/ Call other classes or methods here\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>3\u3001\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3084\u30c4\u30fc\u30eb\u306e\u5229\u7528\uff1a\u4e00\u90e8\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3084\u30c4\u30fc\u30eb\u3067\u306f\u3001\u72ec\u81ea\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u30a8\u30f3\u30c8\u30ea\u30fc\u30dd\u30a4\u30f3\u30c8\u3092\u63d0\u4f9b\u3057\u3001main\u30e1\u30bd\u30c3\u30c9\u304c\u306a\u304f\u3066\u3082\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001Spring\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u5b9a\u7fa9\u3057\u3001\u30ab\u30b9\u30bf\u30e0\u306e\u8d77\u52d5\u30ed\u30b8\u30c3\u30af\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Java \u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u901a\u5e38\u3001main \u30e1\u30bd\u30c3\u30c9\u3092\u30a8\u30f3\u30c8\u30ea\u30fc\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066\u4f7f\u7528\u3057\u307e\u3059\u304c\u3001\u4e0a\u8a18\u306e\u65b9\u6cd5\u3092\u4f7f\u3046\u3053\u3068\u3067\u7279\u5b9a\u306e\u72b6\u6cc1\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u30ed\u30b8\u30c3\u30af\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u6700\u9069\u306a\u65b9\u6cd5\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067\u306f\u3001\u5404\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u306f\u901a\u5e38\u3001main\u30e1\u30bd\u30c3\u30c9\u3092\u5165\u308a\u53e3\u95a2\u6570\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001main\u30e1\u30bd\u30c3\u30c9\u304c\u306a\u3044\u5834\u5408\u306bJava\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3044\u305a\u308c\u304b\u306e\u65b9\u6cd5\u3092\u691c\u8a0e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 Java\u30af\u30e9 [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-2246","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java\u306b\u306fmain\u95a2\u6570\u304c\u306a\u3044\u3068\u3069\u306e\u3088\u3046\u306b\u5b9f\u884c\u3055\u308c\u307e\u3059\u304b\u3002 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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