{"id":136231,"date":"2024-03-26T14:13:57","date_gmt":"2024-03-26T05:13:57","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%83%8f%e3%83%bc%e3%83%89%e3%83%87%e3%82%a3%e3%82%b9%e3%82%af%e3%83%89%e3%83%a9%e3%82%a4%e3%83%96%e3%81%ae%e3%82%b7%e3%83%aa%e3%82%a2%e3%83%ab%e7%95%aa%e5%8f%b7%e3%82%92-java%e3%81%a7%e5%8f%96\/"},"modified":"2024-04-04T05:16:59","modified_gmt":"2024-04-03T20:16:59","slug":"%e3%83%8f%e3%83%bc%e3%83%89%e3%83%87%e3%82%a3%e3%82%b9%e3%82%af%e3%83%89%e3%83%a9%e3%82%a4%e3%83%96%e3%81%ae%e3%82%b7%e3%83%aa%e3%82%a2%e3%83%ab%e7%95%aa%e5%8f%b7%e3%82%92-java%e3%81%a7%e5%8f%96","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%83%8f%e3%83%bc%e3%83%89%e3%83%87%e3%82%a3%e3%82%b9%e3%82%af%e3%83%89%e3%83%a9%e3%82%a4%e3%83%96%e3%81%ae%e3%82%b7%e3%83%aa%e3%82%a2%e3%83%ab%e7%95%aa%e5%8f%b7%e3%82%92-java%e3%81%a7%e5%8f%96\/","title":{"rendered":"\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6\u306e\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u3092 java\u3067\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3002"},"content":{"rendered":"

Java \u306e `java.io.File` \u30af\u30e9\u30b9\u3092\u4f7f\u3063\u3066\u30cf\u30fc\u30c9\u30c9\u30e9\u30a4\u30d6\u306e\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u3092\u8abf\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30b3\u30fc\u30c9\u4f8b\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044:
\n“`java
\nimport java.io.File;
\nimport java.io.IOException;
\nimport java.nio.file.Files;
\nimport java.nio.file.attribute.BasicFileAttributes;<\/p>\n

public class DiskSerialNumberExample {<\/p>\n

public static void main(String[] args) {
\nFile file = new File(“C:\/”); \/\/ \u30cf\u30fc\u30c9\u30c9\u30e9\u30a4\u30d6\u306e\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u3092\u53d6\u5f97\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9
\ntry {
\n\/\/ \u30d5\u30a1\u30a4\u30eb\u306e\u57fa\u672c\u5c5e\u6027\u3092\u53d6\u5f97
\nBasicFileAttributes attr = Files.readAttributes(file.toPath(), BasicFileAttributes.class);
\nObject fileKey = attr.fileKey();<\/p>\n

\/\/ \u30cf\u30fc\u30c9\u30c9\u30e9\u30a4\u30d6\u306e\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u3092\u53d6\u5f97
\nString serialNumber = fileKey.toString();<\/p>\n

\/\/ \u30cf\u30fc\u30c9\u30c9\u30e9\u30a4\u30d6\u306e\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u3092\u8868\u793a
\nSystem.out.println(“\u30cf\u30fc\u30c9\u30c9\u30e9\u30a4\u30d6\u306e\u30b7\u30ea\u30a2\u30eb\u756a\u53f7: ” + serialNumber);
\n} catch (IOException e) {
\ne.printStackTrace();
\n}
\n}
\n}
\n“`<\/p>\n","protected":false},"excerpt":{"rendered":"

Java \u306e `java.io.File` \u30af\u30e9\u30b9\u3092\u4f7f\u3063\u3066\u30cf\u30fc\u30c9\u30c9\u30e9\u30a4\u30d6\u306e\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u3092\u8abf\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30b3\u30fc\u30c9\u4f8b\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044: “`java import java.io.File; imp […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-136231","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6\u306e\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u3092 java\u3067\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3002 - 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\/\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6\u306e\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u3092-java\u3067\u53d6\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6\u306e\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u3092 java\u3067\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3002\" \/>\n<meta property=\"og:description\" content=\"Java \u306e `java.io.File` \u30af\u30e9\u30b9\u3092\u4f7f\u3063\u3066\u30cf\u30fc\u30c9\u30c9\u30e9\u30a4\u30d6\u306e\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u3092\u8abf\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30b3\u30fc\u30c9\u4f8b\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044: “`java import java.io.File; imp […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6\u306e\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u3092-java\u3067\u53d6\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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