{"id":132011,"date":"2024-03-25T21:31:38","date_gmt":"2024-03-25T12:31:38","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%ae%e3%83%90%e3%82%a4%e3%83%88%e9%85%8d%e5%88%97%e3%82%92%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%81%ab%e6%9b%b8%e3%81%8d%e8%be%bc%e3%82%80\/"},"modified":"2024-03-27T15:45:05","modified_gmt":"2024-03-27T06:45:05","slug":"java%e3%81%ae%e3%83%90%e3%82%a4%e3%83%88%e9%85%8d%e5%88%97%e3%82%92%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%81%ab%e6%9b%b8%e3%81%8d%e8%be%bc%e3%82%80","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%ae%e3%83%90%e3%82%a4%e3%83%88%e9%85%8d%e5%88%97%e3%82%92%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%81%ab%e6%9b%b8%e3%81%8d%e8%be%bc%e3%82%80\/","title":{"rendered":"Java\u306e\u30d0\u30a4\u30c8\u914d\u5217\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u3080"},"content":{"rendered":"<p>\u30d0\u30a4\u30c8\u914d\u5217\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u3080\u306b\u306f\u3001Java \u306e FileOutputStream \u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u30b5\u30f3\u30d7\u30eb\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> java.io.FileOutputStream;\r\n<span class=\"hljs-keyword\">import<\/span> java.io.IOException;\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">Main<\/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-keyword\">try<\/span> {\r\n<span class=\"hljs-type\">byte<\/span>[] byteArray = {<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">3<\/span>, <span class=\"hljs-number\">4<\/span>, <span class=\"hljs-number\">5<\/span>}; <span class=\"hljs-comment\">\/\/ \u8981\u5199\u5165\u6587\u4ef6\u7684byte\u6570\u7ec4<\/span>\r\n<span class=\"hljs-type\">FileOutputStream<\/span> <span class=\"hljs-variable\">fos<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">FileOutputStream<\/span>(<span class=\"hljs-string\">\"output.txt\"<\/span>);\r\nfos.write(byteArray); <span class=\"hljs-comment\">\/\/ \u5c06byte\u6570\u7ec4\u5199\u5165\u6587\u4ef6<\/span>\r\nfos.close();\r\nSystem.out.println(<span class=\"hljs-string\">\"\u6587\u4ef6\u5199\u5165\u6210\u529f\uff01\"<\/span>);\r\n} <span class=\"hljs-keyword\">catch<\/span> (IOException e) {\r\ne.printStackTrace();\r\n}\r\n}\r\n}\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u6700\u521d\u306b byte \u914d\u5217 byteArray \u3092\u5b9a\u7fa9\u3057\u3001\u305d\u3057\u3066\u66f8\u304d\u8fbc\u3080\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u6307\u5b9a\u3059\u308b FileOutputStream \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u305d\u308c\u304b\u3089 write() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066 byte \u914d\u5217\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u307f\u307e\u3059\u3002\u6700\u5f8c\u306b\u30d5\u30a1\u30a4\u30eb\u51fa\u529b\u3092\u9589\u3058\u307e\u3059\u3002<\/p>\n<p>\u4e0a\u8a18\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u73fe\u5728\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306boutput.txt\u3068\u3044\u3046\u540d\u524d\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u4f5c\u6210\u3055\u308c\u3001\u305d\u3053\u3078byte\u914d\u5217\u304c\u66f8\u304d\u8fbc\u307e\u308c\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30d0\u30a4\u30c8\u914d\u5217\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u3080\u306b\u306f\u3001Java \u306e FileOutputStream \u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u30b5\u30f3\u30d7\u30eb\u3092\u793a\u3057\u307e\u3059\u3002 import java.io.FileOutputStream; import jav [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-132011","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>Java\u306e\u30d0\u30a4\u30c8\u914d\u5217\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u3080 - 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\/java\u306e\u30d0\u30a4\u30c8\u914d\u5217\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u3080\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u306e\u30d0\u30a4\u30c8\u914d\u5217\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u3080\" \/>\n<meta property=\"og:description\" content=\"\u30d0\u30a4\u30c8\u914d\u5217\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u3080\u306b\u306f\u3001Java \u306e FileOutputStream \u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u30b5\u30f3\u30d7\u30eb\u3092\u793a\u3057\u307e\u3059\u3002 import java.io.FileOutputStream; 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