{"id":126671,"date":"2024-03-24T23:19:50","date_gmt":"2024-03-24T14:19:50","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%81%ae%e5%ad%98%e5%9c%a8%e3%83%81%e3%82%a7%e3%83%83%e3%82%af%e3%81%aejava\/"},"modified":"2024-03-27T19:31:50","modified_gmt":"2024-03-27T10:31:50","slug":"%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%81%ae%e5%ad%98%e5%9c%a8%e3%83%81%e3%82%a7%e3%83%83%e3%82%af%e3%81%aejava","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%81%ae%e5%ad%98%e5%9c%a8%e3%83%81%e3%82%a7%e3%83%83%e3%82%af%e3%81%aejava\/","title":{"rendered":"\u30d5\u30a1\u30a4\u30eb\u306e\u5b58\u5728\u30c1\u30a7\u30c3\u30af\u306eJava"},"content":{"rendered":"<p>Java\u3067\u3001File\u30af\u30e9\u30b9\u306eexists()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u30b3\u30fc\u30c9\u306e\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> java.io.File;\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">FileExistsExample<\/span> {\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">(String[] args)<\/span> {\r\n<span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">filePath<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-string\">\"C:\/example.txt\"<\/span>;\r\n<span class=\"hljs-type\">File<\/span> <span class=\"hljs-variable\">file<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">File<\/span>(filePath);\r\n<span class=\"hljs-keyword\">if<\/span> (file.exists()) {\r\nSystem.out.println(<span class=\"hljs-string\">\"\u6587\u4ef6\u5b58\u5728\"<\/span>);\r\n} <span class=\"hljs-keyword\">else<\/span> {\r\nSystem.out.println(<span class=\"hljs-string\">\"\u6587\u4ef6\u4e0d\u5b58\u5728\"<\/span>);\r\n}\r\n}\r\n}\r\n<\/code><\/pre>\n<p>\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001File\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001exists()\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u306f\u300c\u30d5\u30a1\u30a4\u30eb\u304c\u3042\u308a\u307e\u3059\u300d\u3068\u51fa\u529b\u3057\u3001\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f\u300c\u30d5\u30a1\u30a4\u30eb\u304c\u3042\u308a\u307e\u305b\u3093\u300d\u3068\u51fa\u529b\u3057\u307e\u3059\u3002filePath\u5909\u6570\u306f\u3001\u78ba\u8a8d\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\u306b\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067\u3001File\u30af\u30e9\u30b9\u306eexists()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u30b3\u30fc\u30c9\u306e\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002 import java.io.File; public class FileExist [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-126671","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"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>\u30d5\u30a1\u30a4\u30eb\u306e\u5b58\u5728\u30c1\u30a7\u30c3\u30af\u306eJava - Blog - Silicon Cloud<\/title>\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\/ja\/blog\/\u30d5\u30a1\u30a4\u30eb\u306e\u5b58\u5728\u30c1\u30a7\u30c3\u30af\u306ejava\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u30d5\u30a1\u30a4\u30eb\u306e\u5b58\u5728\u30c1\u30a7\u30c3\u30af\u306eJava\" \/>\n<meta property=\"og:description\" content=\"Java\u3067\u3001File\u30af\u30e9\u30b9\u306eexists()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u30b3\u30fc\u30c9\u306e\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002 import java.io.File; 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