{"id":7602,"date":"2024-03-14T22:17:25","date_gmt":"2024-03-14T13:17:25","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%81%ae%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc%e3%82%b9%e6%8e%a5%e7%b6%9a%e3%81%ae%e6%89%8b%e9%a0%86%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f\/"},"modified":"2025-08-03T15:30:53","modified_gmt":"2025-08-03T06:30:53","slug":"java%e3%81%a7%e3%81%ae%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc%e3%82%b9%e6%8e%a5%e7%b6%9a%e3%81%ae%e6%89%8b%e9%a0%86%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%81%ae%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc%e3%82%b9%e6%8e%a5%e7%b6%9a%e3%81%ae%e6%89%8b%e9%a0%86%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f\/","title":{"rendered":"Java \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u624b\u9806\u3068\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3010\u521d\u5fc3\u8005\u5411\u3051\u3011"},"content":{"rendered":"

Java\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u624b\u9806\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

    \n
  1. \u9069\u5207\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c9\u30e9\u30a4\u30d0\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\uff1a\u6700\u521d\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c9\u30e9\u30a4\u30d0\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001Java\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u63a5\u7d9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u7570\u306a\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u306f\u7570\u306a\u308b\u30c9\u30e9\u30a4\u30d0\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u4f7f\u7528\u3057\u3066\u3044\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u30c9\u30e9\u30a4\u30d0\u3092\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n
  2. \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u30ed\u30fc\u30c9\u3059\u308b\uff1aClass\u30af\u30e9\u30b9\u306eforName()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u4f8b\u3048\u3070\u3001Class.forName(“com.mysql.jdbc.Driver”)\u3068\u8a18\u8ff0\u3002<\/li>\n
  3. \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u305f\u3081\u306b\u306f\u3001DriverManager\u30af\u30e9\u30b9\u306egetConnection()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306eURL\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u306a\u3069\u306e\u63a5\u7d9a\u60c5\u5831\u3092\u63d0\u4f9b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\uff1aConnection conn = DriverManager.getConnection(url, user, password);<\/li>\n
  4. Statement\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\uff1aConnection\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u3066Statement\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001SQL\u6587\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u4f8b\uff1aStatement stmt = conn.createStatement();<\/li>\n
  5. SQL\u6587\u3092\u5b9f\u884c\u3059\u308b\u65b9\u6cd5\u306f\u3001Statement\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u3066SQL\u6587\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u691c\u7d22\u3001\u633f\u5165\u3001\u66f4\u65b0\u3001\u307e\u305f\u306f\u524a\u9664\u306a\u3069\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001ResultSet rs = stmt.executeQuery(\u201cSELECT * FROM table\u201d);<\/li>\n
  6. \u691c\u7d22\u7d50\u679c\u306e\u51e6\u7406\uff1a\u691c\u7d22\u64cd\u4f5c\u3092\u5b9f\u884c\u3059\u308b\u5834\u5408\u3001ResultSet\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u3066\u691c\u7d22\u7d50\u679c\u3092\u51e6\u7406\u3057\u3001\u9069\u5207\u306a\u30c7\u30fc\u30bf\u64cd\u4f5c\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\uff1ars.next()\u304ctrue\u306e\u9593\u7e70\u308a\u8fd4\u3059\u3002<\/li>\n
  7. \u63a5\u7d9a\u306e\u7d42\u4e86\uff1a\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u7d42\u4e86\u3059\u308b\u304b\u3001\u63a5\u7d9a\u304c\u4e0d\u8981\u306b\u306a\u3063\u305f\u5834\u5408\u306b\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u63a5\u7d9a\u3092\u9589\u3058\u3001\u30ea\u30bd\u30fc\u30b9\u3092\u89e3\u653e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u901a\u5e38\u3001finally\u30d6\u30ed\u30c3\u30af\u3067\u63a5\u7d9a\u3092\u9589\u3058\u307e\u3059\u3002\u4f8b\uff1aconn.close();<\/li>\n<\/ol>\n

    \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u69cb\u7bc9\u306f\u6642\u9593\u304c\u304b\u304b\u308b\u64cd\u4f5c\u3067\u3059\u306e\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u6d6a\u8cbb\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u306f\u3001\u901a\u5e38\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306b\u63a5\u7d9a\u30d7\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3079\u304d\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    Java\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u624b\u9806\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 \u9069\u5207\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c9\u30e9\u30a4\u30d0\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\uff1a\u6700\u521d\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c9\u30e9\u30a4\u30d0\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001Java\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u63a5\u7d9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[42,1108,14,26,552],"class_list":["post-7602","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-java","tag-jdbc","tag-14","tag-26","tag-552"],"yoast_head":"\nJava \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u624b\u9806\u3068\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3010\u521d\u5fc3\u8005\u5411\u3051\u3011 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Java\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u624b\u9806\u3092\u521d\u5fc3\u8005\u5411\u3051\u306b\u89e3\u8aac\u3002JDBC\u30c9\u30e9\u30a4\u30d0\u306e\u8a2d\u5b9a\u304b\u3089\u63a5\u7d9a\u78ba\u7acb\u3001\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u307e\u3067\u5206\u304b\u308a\u3084\u3059\u304f\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\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\u3067\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u624b\u9806\u306f\u4f55\u3067\u3059\u304b\uff1f\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u624b\u9806\u3068\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3010\u521d\u5fc3\u8005\u5411\u3051\u3011\" \/>\n<meta property=\"og:description\" content=\"Java\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u624b\u9806\u3092\u521d\u5fc3\u8005\u5411\u3051\u306b\u89e3\u8aac\u3002JDBC\u30c9\u30e9\u30a4\u30d0\u306e\u8a2d\u5b9a\u304b\u3089\u63a5\u7d9a\u78ba\u7acb\u3001\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u307e\u3067\u5206\u304b\u308a\u3084\u3059\u304f\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u624b\u9806\u306f\u4f55\u3067\u3059\u304b\uff1f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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