{"id":127168,"date":"2024-03-25T01:24:05","date_gmt":"2024-03-24T16:24:05","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java-%e3%82%bd%e3%82%b1%e3%83%83%e3%83%88%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6%e5%a4%a7%e5%ae%b9%e9%87%8f%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%92%e8%bb%a2%e9%80%81%e3%81%99%e3%82%8b\/"},"modified":"2024-04-05T03:34:12","modified_gmt":"2024-04-04T18:34:12","slug":"java-%e3%82%bd%e3%82%b1%e3%83%83%e3%83%88%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6%e5%a4%a7%e5%ae%b9%e9%87%8f%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%92%e8%bb%a2%e9%80%81%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java-%e3%82%bd%e3%82%b1%e3%83%83%e3%83%88%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6%e5%a4%a7%e5%ae%b9%e9%87%8f%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%92%e8%bb%a2%e9%80%81%e3%81%99%e3%82%8b\/","title":{"rendered":"Java \u30bd\u30b1\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u5927\u5bb9\u91cf\u30d5\u30a1\u30a4\u30eb\u3092\u8ee2\u9001\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>Java\u30bd\u30b1\u30c3\u30c8\u3067\u5927\u5bb9\u91cf\u30d5\u30a1\u30a4\u30eb\u3092\u8ee2\u9001\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\uff1a<\/p>\n<ol>\n<li>\u7279\u5b9a\u306e\u30dd\u30fc\u30c8\u756a\u53f7\u306b\u304a\u3044\u3066\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u63a5\u7d9a\u3092\u5f85\u3061\u53d7\u3051\u308bServerSocket\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n<li>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001Socket\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u3068\u30dd\u30fc\u30c8\u756a\u53f7\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002<\/li>\n<li>\u30b5\u30fc\u30d0\u30fc\u5074\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u63a5\u7d9a\u8981\u6c42\u3092\u53d7\u3051\u3001accept()\u30e1\u30bd\u30c3\u30c9\u3067\u30bd\u30b1\u30c3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3057\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u306e\u901a\u4fe1\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n<li>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306fInputStream\u3068OutputStream\u3092Socket\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u53d6\u5f97\u3057\u3066\u3001\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u53d6\u308a\u3068\u9001\u4fe1\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n<li>\u670d\u52a1\u5668\u7aef\u4e5f\u901a\u8fc7Socket\u5bf9\u8c61\u83b7\u53d6InputStream\u548cOutputStream\uff0c\u7528\u4e8e\u8bfb\u53d6\u548c\u53d1\u9001\u6570\u636e\u3002<\/li>\n<li>\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u3001InputStream\u304b\u3089\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092\u8aad\u307f\u8fbc\u307f\u3001\u305d\u306e\u5185\u5bb9\u3092OutputStream\u306b\u51fa\u529b\u3057\u3066\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u9001\u4fe1\u3059\u308b\u3002<\/li>\n<li>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306fInputStream\u304b\u3089\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092\u8aad\u307f\u53d6\u308a\u3001\u5185\u5bb9\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u3080\u3002<\/li>\n<li>6\u30687\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u8ee2\u9001\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u3001\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002<\/li>\n<li>\u3059\u3079\u3066\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u3068\u30bd\u30b1\u30c3\u30c8\u63a5\u7d9a\u3092\u9589\u3058\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u305d\u308c\u3067\u306f\u7c21\u5358\u306a\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046<\/p>\n<p>\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30b3\u30fc\u30c9\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> java.io.*;\r\n<span class=\"hljs-keyword\">import<\/span> java.net.*;\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">Server<\/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> <span class=\"hljs-keyword\">throws<\/span> IOException {\r\n<span class=\"hljs-type\">ServerSocket<\/span> <span class=\"hljs-variable\">serverSocket<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">ServerSocket<\/span>(<span class=\"hljs-number\">8888<\/span>);\r\nSystem.out.println(<span class=\"hljs-string\">\"\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5...\"<\/span>);\r\n<span class=\"hljs-type\">Socket<\/span> <span class=\"hljs-variable\">socket<\/span> <span class=\"hljs-operator\">=<\/span> serverSocket.accept();\r\nSystem.out.println(<span class=\"hljs-string\">\"\u5ba2\u6237\u7aef\u5df2\u8fde\u63a5\"<\/span>);\r\n<span class=\"hljs-type\">InputStream<\/span> <span class=\"hljs-variable\">inputStream<\/span> <span class=\"hljs-operator\">=<\/span> socket.getInputStream();\r\n<span class=\"hljs-type\">OutputStream<\/span> <span class=\"hljs-variable\">outputStream<\/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\n<span class=\"hljs-type\">byte<\/span>[] buffer = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">byte<\/span>[<span class=\"hljs-number\">1024<\/span>];\r\n<span class=\"hljs-type\">int<\/span> length;\r\n<span class=\"hljs-keyword\">while<\/span> ((length = inputStream.read(buffer)) &gt; <span class=\"hljs-number\">0<\/span>) {\r\noutputStream.write(buffer, <span class=\"hljs-number\">0<\/span>, length);\r\n}\r\nSystem.out.println(<span class=\"hljs-string\">\"\u6587\u4ef6\u4f20\u8f93\u5b8c\u6210\"<\/span>);\r\noutputStream.close();\r\ninputStream.close();\r\nsocket.close();\r\nserverSocket.close();\r\n}\r\n}\r\n<\/code><\/pre>\n<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b3\u30fc\u30c9\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> java.io.*;\r\n<span class=\"hljs-keyword\">import<\/span> java.net.*;\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">Client<\/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> <span class=\"hljs-keyword\">throws<\/span> IOException {\r\n<span class=\"hljs-type\">Socket<\/span> <span class=\"hljs-variable\">socket<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">Socket<\/span>(<span class=\"hljs-string\">\"localhost\"<\/span>, <span class=\"hljs-number\">8888<\/span>);\r\n<span class=\"hljs-type\">OutputStream<\/span> <span class=\"hljs-variable\">outputStream<\/span> <span class=\"hljs-operator\">=<\/span> socket.getOutputStream();\r\n<span class=\"hljs-type\">InputStream<\/span> <span class=\"hljs-variable\">inputStream<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">FileInputStream<\/span>(<span class=\"hljs-string\">\"input.txt\"<\/span>);\r\n<span class=\"hljs-type\">byte<\/span>[] buffer = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">byte<\/span>[<span class=\"hljs-number\">1024<\/span>];\r\n<span class=\"hljs-type\">int<\/span> length;\r\n<span class=\"hljs-keyword\">while<\/span> ((length = inputStream.read(buffer)) &gt; <span class=\"hljs-number\">0<\/span>) {\r\noutputStream.write(buffer, <span class=\"hljs-number\">0<\/span>, length);\r\n}\r\nSystem.out.println(<span class=\"hljs-string\">\"\u6587\u4ef6\u4f20\u8f93\u5b8c\u6210\"<\/span>);\r\ninputStream.close();\r\noutputStream.close();\r\nsocket.close();\r\n}\r\n}\r\n<\/code><\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u304c&#8221;output.txt&#8221;\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u307e\u308c\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306f&#8221;input.txt&#8221;\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092\u8aad\u307f\u8fbc\u3093\u3067\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u6642\u306b\u6ce8\u610f\uff1a\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306f\u5c0f\u898f\u6a21\u30d5\u30a1\u30a4\u30eb\u306e\u8ee2\u9001\u306e\u307f\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u5927\u898f\u6a21\u30d5\u30a1\u30a4\u30eb\u306e\u8ee2\u9001\u306b\u306f\u3001\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u3084\u65ad\u70b9\u7d9a\u884c\u306a\u3069\u306e\u6280\u8853\u3092\u4f7f\u7528\u3057\u3066\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u30bd\u30b1\u30c3\u30c8\u3067\u5927\u5bb9\u91cf\u30d5\u30a1\u30a4\u30eb\u3092\u8ee2\u9001\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\uff1a \u7279\u5b9a\u306e\u30dd\u30fc\u30c8\u756a\u53f7\u306b\u304a\u3044\u3066\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u63a5\u7d9a\u3092\u5f85\u3061\u53d7\u3051\u308bServerSocket\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002 \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001Socket\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-127168","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 \u30bd\u30b1\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u5927\u5bb9\u91cf\u30d5\u30a1\u30a4\u30eb\u3092\u8ee2\u9001\u3059\u308b\u65b9\u6cd5 - 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-\u30bd\u30b1\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u5927\u5bb9\u91cf\u30d5\u30a1\u30a4\u30eb\u3092\u8ee2\u9001\u3059\u308b\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java \u30bd\u30b1\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u5927\u5bb9\u91cf\u30d5\u30a1\u30a4\u30eb\u3092\u8ee2\u9001\u3059\u308b\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"Java\u30bd\u30b1\u30c3\u30c8\u3067\u5927\u5bb9\u91cf\u30d5\u30a1\u30a4\u30eb\u3092\u8ee2\u9001\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\uff1a \u7279\u5b9a\u306e\u30dd\u30fc\u30c8\u756a\u53f7\u306b\u304a\u3044\u3066\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u63a5\u7d9a\u3092\u5f85\u3061\u53d7\u3051\u308bServerSocket\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002 \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001Socket\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/java-\u30bd\u30b1\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u5927\u5bb9\u91cf\u30d5\u30a1\u30a4\u30eb\u3092\u8ee2\u9001\u3059\u308b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-24T16:24:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-04T18:34:12+00:00\" \/>\n<meta name=\"author\" content=\"\u5149, \u660e\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" 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