{"id":7659,"date":"2024-03-14T22:25:53","date_gmt":"2024-03-14T13:25:53","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java-%e3%81%a7%e3%83%87%e3%82%a3%e3%83%ac%e3%82%af%e3%83%88%e3%83%aa%e3%81%8c%e5%ad%98%e5%9c%a8%e3%81%99%e3%82%8b%e3%81%8b%e3%81%a9%e3%81%86%e3%81%8b%e3%82%92%e7%a2%ba%e8%aa%8d%e3%81%99%e3%82%8b\/"},"modified":"2025-08-03T15:49:49","modified_gmt":"2025-08-03T06:49:49","slug":"java-%e3%81%a7%e3%83%87%e3%82%a3%e3%83%ac%e3%82%af%e3%83%88%e3%83%aa%e3%81%8c%e5%ad%98%e5%9c%a8%e3%81%99%e3%82%8b%e3%81%8b%e3%81%a9%e3%81%86%e3%81%8b%e3%82%92%e7%a2%ba%e8%aa%8d%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java-%e3%81%a7%e3%83%87%e3%82%a3%e3%83%ac%e3%82%af%e3%83%88%e3%83%aa%e3%81%8c%e5%ad%98%e5%9c%a8%e3%81%99%e3%82%8b%e3%81%8b%e3%81%a9%e3%81%86%e3%81%8b%e3%82%92%e7%a2%ba%e8%aa%8d%e3%81%99%e3%82%8b\/","title":{"rendered":"Java \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5b58\u5728\u78ba\u8a8d\uff1aexists()\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9"},"content":{"rendered":"<p>Java\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a9\u30eb\u30c0\u304c\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> java.io.File;\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">CheckFolderExistence<\/span> {\r\n\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\">File<\/span> <span class=\"hljs-variable\">folder<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">File<\/span>(<span class=\"hljs-string\">\"path\/to\/folder\"<\/span>);\r\n\r\n        <span class=\"hljs-keyword\">if<\/span> (folder.exists() &amp;&amp; folder.isDirectory()) {\r\n            System.out.println(<span class=\"hljs-string\">\"Folder exists\"<\/span>);\r\n        } <span class=\"hljs-keyword\">else<\/span> {\r\n            System.out.println(<span class=\"hljs-string\">\"Folder does not exist\"<\/span>);\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u30b3\u30fc\u30c9\u306e\u4e2d\u3067\u3001\u6700\u521d\u306b\u691c\u67fb\u3059\u308b\u30d5\u30a9\u30eb\u30c0\u3092\u8868\u3059File\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001exists\uff08\uff09\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a9\u30eb\u30c0\u304c\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001isDirectory\uff08\uff09\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u30d5\u30a9\u30eb\u30c0\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001\u30c1\u30a7\u30c3\u30af\u7d50\u679c\u306b\u5fdc\u3058\u3066\u60c5\u5831\u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a9\u30eb\u30c0\u304c\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\uff1a import java.io.File; public class CheckFolderExistence {  [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2892,42,591,862,26],"class_list":["post-7659","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-exists","tag-java","tag-591","tag-862","tag-26"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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