{"id":124238,"date":"2024-03-24T14:24:11","date_gmt":"2024-03-24T05:24:11","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/numberformat-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/"},"modified":"2024-03-26T15:53:40","modified_gmt":"2024-03-26T06:53:40","slug":"numberformat-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/numberformat-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/","title":{"rendered":"NumberFormat \u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5"},"content":{"rendered":"

NumberFormat\u30af\u30e9\u30b9\u3068\u306f\u6570\u5b57\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u305f\u3081\u306e\u6a5f\u80fd\u304c\u3042\u308a\u3001\u901a\u8ca8\u3084\u30d1\u30fc\u30bb\u30f3\u30c8\u3001\u79d1\u5b66\u7684\u306a\u8a18\u6cd5\u306a\u3069\u3067\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

NumberFormat\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u57fa\u672c\u7684\u306a\u30b9\u30c6\u30c3\u30d7\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n

    \n
  1. NumberFormat\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\uff1a<\/li>\n<\/ol>\n
    import<\/span> java.text.NumberFormat;\r\n<\/code><\/pre>\n
      \n
    1. NumberFormat\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\uff1a<\/li>\n<\/ol>\n
      NumberFormat<\/span> nf<\/span> =<\/span> NumberFormat.getInstance();\r\n<\/code><\/pre>\n
      \u30c7\u30d5\u30a9\u30eb\u30c8\u306e NumberFormat \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u9759\u7684\u30e1\u30bd\u30c3\u30c9 getInstance() \u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u6307\u5b9a\u3055\u308c\u305f\u578b\u306e NumberFormat \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001<\/p>\n
      NumberFormat<\/span> nf<\/span> =<\/span> NumberFormat.getCurrencyInstance();  \/\/ \u8d27\u5e01\u683c\u5f0f<\/span>\r\nNumberFormat<\/span> nf<\/span> =<\/span> NumberFormat.getPercentInstance();   \/\/ \u767e\u5206\u6bd4\u683c\u5f0f<\/span>\r\nNumberFormat<\/span> nf<\/span> =<\/span> NumberFormat.getNumberInstance();    \/\/ \u6570\u5b57\u683c\u5f0f<\/span>\r\n<\/code><\/pre>\n
        \n
      1. \u66f8\u5f0f\u8a2d\u5b9a\uff08\u4efb\u610f\uff09<\/li>\n<\/ol>\n
        NumberFormat\u306e\u65b9\u5f0f\u3092\u5229\u7528\u3057\u3066\u30b9\u30bf\u30a4\u30eb\u306b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/p>\n
        nf.setMaximumFractionDigits(2<\/span>);  \/\/ \u8bbe\u7f6e\u5c0f\u6570\u90e8\u5206\u7684\u6700\u5927\u4f4d\u6570<\/span>\r\nnf.setMinimumFractionDigits(2<\/span>);  \/\/ \u8bbe\u7f6e\u5c0f\u6570\u90e8\u5206\u7684\u6700\u5c0f\u4f4d\u6570<\/span>\r\nnf.setRoundingMode(RoundingMode.HALF_UP);  \/\/ \u8bbe\u7f6e\u820d\u5165\u6a21\u5f0f<\/span>\r\n<\/code><\/pre>\n
          \n
        1. \u6570\u5024\u306e\u66f8\u5f0f\u8a2d\u5b9a<\/li>\n<\/ol>\n
          double<\/span> number<\/span> =<\/span> 1234.5678<\/span>;\r\nString<\/span> formattedNumber<\/span> =<\/span> nf.format(number);\r\nSystem.out.println(formattedNumber);\r\n<\/code><\/pre>\n
          \u5b8c\u5168\u306a\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n
          import<\/span> java.text.NumberFormat;\r\npublic<\/span> class<\/span> Main<\/span> {\r\npublic<\/span> static<\/span> void<\/span> main<\/span>(String[] args)<\/span> {\r\nNumberFormat<\/span> nf<\/span> =<\/span> NumberFormat.getNumberInstance();\r\nnf.setMaximumFractionDigits(2<\/span>);\r\nnf.setMinimumFractionDigits(2<\/span>);\r\nnf.setRoundingMode(RoundingMode.HALF_UP);\r\ndouble<\/span> number<\/span> =<\/span> 1234.5678<\/span>;\r\nString<\/span> formattedNumber<\/span> =<\/span> nf.format(number);\r\nSystem.out.println(formattedNumber);\r\n}\r\n}\r\n<\/code><\/pre>\n
          \u51fa\u529b\u7d50\u679c\u306f\u3001<\/p>\n
          1,234.57\r\n<\/code><\/pre>\n
          \u672c\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u3001NumberFormat\u30af\u30e9\u30b9\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u793a\u3057\u307e\u3057\u305f\u304c\u3001\u4ed6\u306b\u3082\u591a\u304f\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30e1\u30bd\u30c3\u30c9\u3068\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
          NumberFormat\u30af\u30e9\u30b9\u3068\u306f\u6570\u5b57\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u305f\u3081\u306e\u6a5f\u80fd\u304c\u3042\u308a\u3001\u901a\u8ca8\u3084\u30d1\u30fc\u30bb\u30f3\u30c8\u3001\u79d1\u5b66\u7684\u306a\u8a18\u6cd5\u306a\u3069\u3067\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 NumberFormat\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u57fa\u672c\u7684\u306a\u30b9\u30c6\u30c3\u30d7\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002 Numb […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-124238","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nNumberFormat \u30af\u30e9\u30b9\u306e\u4f7f\u7528\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\/numberformat-\u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NumberFormat \u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"NumberFormat\u30af\u30e9\u30b9\u3068\u306f\u6570\u5b57\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u305f\u3081\u306e\u6a5f\u80fd\u304c\u3042\u308a\u3001\u901a\u8ca8\u3084\u30d1\u30fc\u30bb\u30f3\u30c8\u3001\u79d1\u5b66\u7684\u306a\u8a18\u6cd5\u306a\u3069\u3067\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 NumberFormat\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u57fa\u672c\u7684\u306a\u30b9\u30c6\u30c3\u30d7\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002 Numb […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/numberformat-\u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-24T05:24:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-26T06:53:40+00:00\" \/>\n<meta name=\"author\" content=\"\u7dbe\u4e43, \u4e00\u5e0c\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u7dbe\u4e43, \u4e00\u5e0c\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/numberformat-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/numberformat-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/\",\"name\":\"NumberFormat \u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\"},\"datePublished\":\"2024-03-24T05:24:11+00:00\",\"dateModified\":\"2024-03-26T06:53:40+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/601389077b7f4e4ad6115428e3b73bff\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/numberformat-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/ja\/blog\/numberformat-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/numberformat-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/ja\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"NumberFormat \u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"ja\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/601389077b7f4e4ad6115428e3b73bff\",\"name\":\"\u7dbe\u4e43, \u4e00\u5e0c\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/2228fe98b71141214fb24fb1b5ae44f99bdfa0602bbd89b351f2acd49ece862d?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/2228fe98b71141214fb24fb1b5ae44f99bdfa0602bbd89b351f2acd49ece862d?s=96&d=mm&r=g\",\"caption\":\"\u7dbe\u4e43, \u4e00\u5e0c\"},\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/author\/ayanokazuki\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/numberformat-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"NumberFormat \u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5 - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/ja\/blog\/numberformat-\u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5\/","og_locale":"ja_JP","og_type":"article","og_title":"NumberFormat \u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5","og_description":"NumberFormat\u30af\u30e9\u30b9\u3068\u306f\u6570\u5b57\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u305f\u3081\u306e\u6a5f\u80fd\u304c\u3042\u308a\u3001\u901a\u8ca8\u3084\u30d1\u30fc\u30bb\u30f3\u30c8\u3001\u79d1\u5b66\u7684\u306a\u8a18\u6cd5\u306a\u3069\u3067\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 NumberFormat\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u57fa\u672c\u7684\u306a\u30b9\u30c6\u30c3\u30d7\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002 Numb […]","og_url":"https:\/\/www.silicloud.com\/ja\/blog\/numberformat-\u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-03-24T05:24:11+00:00","article_modified_time":"2024-03-26T06:53:40+00:00","author":"\u7dbe\u4e43, \u4e00\u5e0c","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u7dbe\u4e43, \u4e00\u5e0c"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/ja\/blog\/numberformat-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/","url":"https:\/\/www.silicloud.com\/ja\/blog\/numberformat-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/","name":"NumberFormat \u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website"},"datePublished":"2024-03-24T05:24:11+00:00","dateModified":"2024-03-26T06:53:40+00:00","author":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/601389077b7f4e4ad6115428e3b73bff"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/numberformat-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/ja\/blog\/numberformat-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/ja\/blog\/numberformat-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/ja\/blog\/"},{"@type":"ListItem","position":2,"name":"NumberFormat \u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website","url":"https:\/\/www.silicloud.com\/ja\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/601389077b7f4e4ad6115428e3b73bff","name":"\u7dbe\u4e43, \u4e00\u5e0c","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/2228fe98b71141214fb24fb1b5ae44f99bdfa0602bbd89b351f2acd49ece862d?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/2228fe98b71141214fb24fb1b5ae44f99bdfa0602bbd89b351f2acd49ece862d?s=96&d=mm&r=g","caption":"\u7dbe\u4e43, \u4e00\u5e0c"},"url":"https:\/\/www.silicloud.com\/ja\/blog\/author\/ayanokazuki\/"},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/numberformat-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/124238","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/comments?post=124238"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/124238\/revisions"}],"predecessor-version":[{"id":137145,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/124238\/revisions\/137145"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/media?parent=124238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/categories?post=124238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/tags?post=124238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}