{"id":14466,"date":"2017-01-24T21:40:25","date_gmt":"2017-01-24T12:40:25","guid":{"rendered":"http:\/\/www.sejuku.net\/blog\/?p=14466"},"modified":"2024-05-06T11:40:03","modified_gmt":"2024-05-06T02:40:03","slug":"%e3%80%905%e5%88%86%e3%81%a7%e7%90%86%e8%a7%a3%e3%80%91java%e3%81%aestring-format%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%be%e3%81%a8%e3%82%81","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/14466","title":{"rendered":"\u30105\u5206\u3067\u7406\u89e3\u3011Java\u306eString.format\u306e\u4f7f\u3044\u65b9\u307e\u3068\u3081"},"content":{"rendered":"\n<p>\u307f\u306a\u3055\u3093<a href=\"https:\/\/www.sejuku.net\/blog\/3686\" target=\"_blank\" rel=\"noopener noreferrer\">Java<\/a>\u306eString.format\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u304b\uff1f<\/p>\n\n\n\n<p>\u3068\u3066\u3082\u4fbf\u5229\u306a\u30e1\u30bd\u30c3\u30c9\u3060\u3068\u601d\u3044\u307e\u3059\u304c<\/p>\n\n\n\n<p><div class=\"box_voice\">\u57fa\u672c\u7684\u306a\u66f8\u5f0f\u3092\u5fd8\u308c\u3066\u3057\u307e\u3046<br>\u30ab\u30f3\u30de\u533a\u5207\u308a\u306e\u6570\u5024\u3092\u6271\u3046\u306b\u306f\u3069\u3046\u3057\u305f\u3089\u3044\u3044\u306e\u304b<br>\u5148\u982d\u304b\u30890\u3067\u57cb\u3081\u305f\u6570\u5024\u306f\u3069\u3046\u3084\u308c\u3070\u5b9f\u73fe\u3067\u304d\u308b\u306e\u304b<br>String.format\u306716\u9032\u6570\u3092\u6271\u3046\u306b\u306f\u3069\u3046\u3057\u305f\u3089\u3044\u3044\u306e\uff1f<\/div><\/p>\n\n\n\n<p>\u3068\u3044\u3063\u305f\u58f0\u306b\u304a\u7b54\u3048\u3059\u308b\u306e\u304c\u672c\u8a18\u4e8b\u3067\u3059\uff01<\/p>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306fString.format\u306e\u4f7f\u3044\u65b9\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u3054\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><div class=\"box01\"><b>\u30a4\u30c1\u30aa\u30b7\u306e\u8a18\u4e8b<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>&gt;&gt;<a href=\"https:\/\/www.sejuku.net\/blog\/59584\/?cid=tecv_14466\">\u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u76ee\u6307\u3059\u305f\u3081\u306b\u77e5\u308b\u3079\u304d4\u3064\u306e\u771f\u5b9f<\/a><\/b><\/li>\n\n\n\n<li><b>&gt;&gt;<a href=\"https:\/\/www.sejuku.net\/blog\/60101\/?cid=tecv_14466\">\u3042\u306a\u305f\u306f\u5927\u4e08\u592b\uff1f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u304c\u4e0a\u9054\u3057\u306a\u3044\u4eba\u306e\u5171\u901a\u70b9<\/a><\/b><\/li>\n<\/ul>\n\n\n<\/div>\n\n\n\n<p>\u306a\u304a\u3001Java\u306e\u8a18\u4e8b\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/www.sejuku.net\/blog\/148098\" target=\"_blank\" rel=\"noopener\">\u3053\u3061\u3089<\/a>\u306b\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">String.format\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6982\u8981<\/h3>\n\n\n\n<p>Java\u306b\u306fString.format\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f<b>\u5f15\u6570\u306b\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217(\u66f8\u5f0f)\u3092\u5143\u306b\u30eb\u30fc\u30eb\u306b\u6cbf\u3063\u305f\u6587\u5b57\u5217\u3092\u8fd4\u3059<\/b>\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5c11\u3057\u96e3\u3057\u304f\u611f\u3058\u3066\u3057\u307e\u3044\u307e\u3059\u3088\u306d\u3002\u65e9\u901f\u30b3\u30fc\u30c9\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">int hoge = 1;\nString str = String.format(\"\u5909\u6570hoge\u306e\u4e2d\u8eab\u306f%d\u3067\u3059\u3002\", hoge);\n\nSystem.out.println(str);<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\u5909\u6570hoge\u306e\u4e2d\u8eab\u306f1\u3067\u3059\u3002\n<\/pre>\n\n\n\n<p>\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\u3002\u3069\u3093\u306a\u52d5\u304d\u3092\u3059\u308b\u304b\u304c\u5c11\u3057\u308f\u304b\u308a\u307e\u3057\u305f\u304b\uff1f<\/p>\n\n\n\n<p>String.format\u306e\u7b2c\u4e00\u5f15\u6570\u306f\u6c7a\u3081\u3089\u308c\u305f\u30eb\u30fc\u30eb(\u66f8\u5f0f)\u306b\u5f93\u3063\u3066\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3057\u3066\u7b2c\u4e8c\u5f15\u6570\u4ee5\u964d\u306f\u7b2c\u4e00\u5f15\u6570\u3067\u6c7a\u3081\u305f\u66f8\u5f0f\u306b\u5272\u308a\u5f53\u3066\u308b\u305f\u3081\u306e\u5909\u6570\u3092\u9806\u756a\u306b\u6e21\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u66f8\u5f0f\u66f8\u5f0f\u3068\u66f8\u3044\u3066\u3044\u307e\u3059\u304c\u308f\u304b\u308a\u3084\u3059\u304f\u8a00\u3063\u3066\u3057\u307e\u3048\u3070\u300c%\uff5e\u300d\u3068\u66f8\u3044\u3066\u3042\u308b\u90e8\u5206\u3067\u3059\u3002\u3053\u306e\u90e8\u5206\u3092\u7b2c\u4e8c\u5f15\u6570\u4ee5\u964d\u3067\u6307\u5b9a\u3057\u305f\u5024\u306b\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3001\u3068\u3044\u3046\u306e\u304cString.format\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6570\u5024\u3092\u6271\u3046\u5834\u5408\u306f\u7b2c\u4e00\u5f15\u6570\u306e\u6587\u5b57\u5217\u306e\u4e2d\u3067\u300c%d\u300d\u3068\u66f8\u304d\u307e\u3059\u3002\u3067\u306f\u6587\u5b57\u5217\u3084\u771f\u507d\u5024\u3001\u5c0f\u6570\u306a\u3069\u3092\u6271\u3044\u305f\u3044\u5834\u5408\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n<p>\u6b21\u306e\u9805\u76ee\u3067\u9806\u756a\u306b\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u771f\u507d\u5024\u306e\u6271\u3044(%b)<\/h3>\n\n\n\n<p>\u771f\u507d\u5024(Java\u3067\u306ftrue\u304bfalse\u3092\u6307\u3059)\u3092\u6271\u3044\u305f\u3044\u5834\u5408\u306f\u300c%b\u300d\u3092\u4f7f\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u30b3\u30fc\u30c9<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String str = String.format(\"TRUE\u306f%b\u3001FALSE\u306f%b\", true, false);<\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u5909\u6570str\u3092\u8868\u793a\u3057\u305f\u7d50\u679c<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">TRUE\u306ftrue\u3001FALSE\u306ffalse<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6587\u5b57\u5217\u306e\u6271\u3044(%s)<\/h3>\n\n\n\n<p>\u6587\u5b57\u5217(\u8907\u6570\u306e\u6587\u5b57\u306e\u96c6\u307e\u308a\u3092\u6587\u5b57\u5217\u3068\u3044\u3046)\u3092\u6271\u3044\u305f\u3044\u5834\u5408\u306f\u300c%s\u300d\u3092\u4f7f\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u30b3\u30fc\u30c9<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String str = String.format(\"\u6587\u5b57\u5217\u306e\u5185\u5bb9\u306f%s\", \"HOGE\");<\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u5909\u6570str\u3092\u8868\u793a\u3057\u305f\u7d50\u679c<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\u6587\u5b57\u5217\u306e\u5185\u5bb9\u306fHOGE<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6587\u5b57\u306e\u6271\u3044(%c)<\/h3>\n\n\n\n<p>\u5148\u7a0b\u306f\u6587\u5b57\u5217\u306e\u4f8b\u3067\u3057\u305f\u304c\u4eca\u5ea6\u306f\u6587\u5b57\u3092\u6271\u3044\u305f\u3044\u5834\u5408\u306e\u4f8b\u3067\u3059\u3002\u3061\u306a\u307f\u306b\u6587\u5b57\u306f\u6587\u5b57\u5217\u3068\u9055\u3044\u307e\u3059\u3002\u6587\u5b57\u5217\u306f\u8907\u6570\u306e\u6587\u5b57\u306e\u96c6\u307e\u308a\u306e\u4e8b\u3092\u3044\u3044\u307e\u3059\u304c\u6587\u5b57\u306f1\u6587\u5b57(\u53b3\u5bc6\u306b\u8a00\u3046\u30681\u30d0\u30a4\u30c8)\u306e\u4e8b\u3092\u6587\u5b57\u3068\u3044\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u6587\u5b57\u3092\u6271\u3046\u306b\u306f\u300c%c\u300d\u3092\u4f7f\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u30b3\u30fc\u30c9<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String str = String.format(\"\u8cb4\u65b9\u306e\u8a55\u4fa1\u306f%c\", 'A');<\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u5909\u6570str\u3092\u8868\u793a\u3057\u305f\u7d50\u679c<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\u8cb4\u65b9\u306e\u8a55\u4fa1\u306fA<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6d6e\u52d5\u5c0f\u6570\u70b9(%f)<\/h3>\n\n\n\n<p>\u6d6e\u52d5\u5c0f\u6570\u70b9\uff08\u5c0f\u6570\u306e\u4e8b\uff09\u3092\u6271\u3044\u305f\u3044\u5834\u5408\u306f\u300c%f\u300d\u3092\u4f7f\u3046\u3053\u3068\u3067\u8868\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30fc\u30c9<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String str = String.format(\"\u5186\u5468\u7387\u306f%f\", 3.1415);<\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u5909\u6570str\u3092\u8868\u793a\u3057\u305f\u7d50\u679c<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\u5186\u5468\u7387\u306f3.141500<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u65e5\u6642(%tXX)<\/h3>\n\n\n\n<p>\u65e5\u6642\u306b\u3064\u3044\u3066\u6271\u3044\u305f\u3044\u5834\u5408\u3067\u3059\u304c\u3053\u308c\u306f\u5e74\u3001\u6708\u3001\u65e5\u306a\u3069\u306b\u3088\u3063\u3066\u6307\u5b9a\u3059\u308b\u66f8\u5f0f\u304c\u9055\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7a2e\u985e\u304c\u591a\u3044\u305f\u3081\u8868\u306b\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<table id=\"tablepress-48\" class=\"tablepress tablepress-id-48\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">\u30d1\u30e9\u30e1\u30fc\u30bf\u540d<\/th><th class=\"column-2\">\u5185\u5bb9<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">H<\/td><td class=\"column-2\">\u6642\u9593(00\uff5e23)<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">I<\/td><td class=\"column-2\">\u6642\u9593(01\uff5e12)<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">k<\/td><td class=\"column-2\">\u6642\u9593(0~23)<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">l<\/td><td class=\"column-2\">\u6642\u9593(1\uff5e12)<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">M<\/td><td class=\"column-2\">\u5206(00~59)<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">S<\/td><td class=\"column-2\">\u79d2(00~60)<br \/>\n60\u306f\u3046\u308b\u3046\u79d2\u304c\u5fc5\u8981\u306a\u6642\u306e\u7279\u6b8a\u306a\u5024<\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">L<\/td><td class=\"column-2\">\u30df\u30ea\u79d2(000~999)<\/td>\n<\/tr>\n<tr class=\"row-9\">\n\t<td class=\"column-1\">N<\/td><td class=\"column-2\">\u30ca\u30ce\u79d2(000000000\uff5e 999999999)<\/td>\n<\/tr>\n<tr class=\"row-10\">\n\t<td class=\"column-1\">p<\/td><td class=\"column-2\">am\u3082\u3057\u304f\u306fpm\u306e\u8868\u793a<\/td>\n<\/tr>\n<tr class=\"row-11\">\n\t<td class=\"column-1\">s<\/td><td class=\"column-2\">1970\u5e741\u67081\u65e5\u304b\u3089\u306e\u79d2<\/td>\n<\/tr>\n<tr class=\"row-12\">\n\t<td class=\"column-1\">Q<\/td><td class=\"column-2\">1970\u5e741\u67081\u65e5\u304b\u3089\u306e\u30df\u30ea\u79d2<\/td>\n<\/tr>\n<tr class=\"row-13\">\n\t<td class=\"column-1\">B<\/td><td class=\"column-2\">January\u3084February\u7b49\u306e\u6708\u306e\u82f1\u540d<\/td>\n<\/tr>\n<tr class=\"row-14\">\n\t<td class=\"column-1\">b<\/td><td class=\"column-2\">\u4e0a\u8a18\u306e\u7565\u8a9e\u8868\u8a18<br \/>\nJan\u3084Feb\u7b49<\/td>\n<\/tr>\n<tr class=\"row-15\">\n\t<td class=\"column-1\">a<\/td><td class=\"column-2\">\u66dc\u65e5\u306e\u82f1\u540d\uff1aSunday,Monday\u7b49<\/td>\n<\/tr>\n<tr class=\"row-16\">\n\t<td class=\"column-1\">C<\/td><td class=\"column-2\">4\u6841\u306e\u5e74\u3092100\u3067\u5272\u3063\u305f\u6570\u5024(00\uff5e99)<\/td>\n<\/tr>\n<tr class=\"row-17\">\n\t<td class=\"column-1\">Y<\/td><td class=\"column-2\">\u5e74<\/td>\n<\/tr>\n<tr class=\"row-18\">\n\t<td class=\"column-1\">y<\/td><td class=\"column-2\">\u5e74\u306e\u4e0b\u4e8c\u6841<\/td>\n<\/tr>\n<tr class=\"row-19\">\n\t<td class=\"column-1\">j<\/td><td class=\"column-2\">\u5e74\u306e\u4f55\u65e5\u76ee\u304b<\/td>\n<\/tr>\n<tr class=\"row-20\">\n\t<td class=\"column-1\">m<\/td><td class=\"column-2\">\u6708(01\uff5e13)<\/td>\n<\/tr>\n<tr class=\"row-21\">\n\t<td class=\"column-1\">d<\/td><td class=\"column-2\">\u6708\u306e\u4f55\u65e5\u76ee\u304b(01\uff5e31)<\/td>\n<\/tr>\n<tr class=\"row-22\">\n\t<td class=\"column-1\">e<\/td><td class=\"column-2\">\u6708\u306e\u4f55\u65e5\u76ee\u304b(1\uff5e31)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-48 from cache -->\n\n\n<p>\u4f7f\u3044\u65b9\u3068\u3057\u3066\u306f\u3001<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Date date = new Date();\nString date_str = String.format(\"%tH:%tM\", date.getTime(), date.getTime());\nSystem.out.println(date_str);<\/pre>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b%t\uff5e\u3068\u3044\u3046\u5f62\u3067\u4e0a\u8a18\u306e\u8868\u306e\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u73fe\u5728\u306e\u6642\u9593\u3068\u5206\u3092\u8868\u793a\u3057\u3066\u3044\u308b\u30b3\u30fc\u30c9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6570\u5024\u3092\u52a0\u5de5\u3057\u3066\u51fa\u529b\u3059\u308b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ab\u30f3\u30de\u533a\u5207\u308a<\/h3>\n\n\n\n<p>\u91d1\u984d\u7b49\u3092\u8868\u3059\u969b\u306b3\u6841\u533a\u5207\u308a\u3067\u30ab\u30f3\u30de\u304c\u5165\u308a\u307e\u3059\u3088\u306d\uff1f\u3042\u306e\u6570\u5024\u3092String.format\u3092\u4f7f\u3046\u3053\u3068\u3067\u7c21\u5358\u306b\u5b9f\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30fc\u30c9<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String str = String.format(\"%,d\", 123456789);<\/pre>\n\n\n\n<p>\u5909\u6570str\u3092\u8868\u793a\u3057\u305f\u7d50\u679c<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">123,456,789<\/pre>\n\n\n\n<p>\u30ab\u30f3\u30de\u3067\u533a\u5207\u308a\u305f\u3044\u5834\u5408\u306f,\u3092%\u306e\u5f8c\u306b\u3064\u3051\u308b\u3053\u3068\u3067\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>,\u306e\u5f8c\u308d\u306e3d\u306b\u3064\u3044\u3066\u306f\u300c\u6570\u5024\u3067\u4e09\u6841\u3054\u3068\u300d\u306b\u3068\u3044\u3046\u610f\u5473\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">8\u9032\u6570<\/h3>\n\n\n\n<p>8\u9032\u6570\u3092\u8868\u73fe\u3057\u305f\u3044\u5834\u5408\u306f\u300c%o\u300d\u3092\u4f7f\u3044\u307e\u3059\u30028\u9032\u6570\u3063\u3066\u4f55\uff1f\u3068\u601d\u308f\u308c\u305f\u65b9\u306f\u4e0b\u8a18\u306e\u30b5\u30a4\u30c8\u304c\u304a\u5f79\u306b\u7acb\u3064\u304b\u3068\u601d\u3044\u307e\u3059\uff01<\/p>\n\n\n\n<p><a href=\"http:\/\/www.asahi-net.or.jp\/~ax2s-kmtn\/ref\/bdh.html\">2\u9032\u6570\u300116\u9032\u6570\u306810\u9032\u6570<\/a><\/p>\n\n\n\n<p>\u6211\u3005\u304c\u666e\u6bb5\u4f7f\u3063\u3066\u3044\u308b\u306e\u306f10\u9032\u6570\u306b\u306a\u308a\u307e\u3059\u3002<br>(10\u9032\u6570\u306f9\u306e\u6b21\u300110\u3067\u6841\u304c\u3042\u304c\u308b\u30028\u9032\u6570\u306e\u5834\u5408\u306f7\u306e\u6b21\u3067\u6841\u304c\u4e0a\u304c\u308a10\u306b\u306a\u308b\u3002)<\/p>\n\n\n\n<p>\u30b3\u30fc\u30c9<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String str = String.format(\"8\u9032\u6570\u3067\u8868\u793a\u3059\u308b\u3068%o\", 10);<\/pre>\n\n\n\n<p>\u5909\u6570str\u3092\u8868\u793a\u3057\u305f\u7d50\u679c<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">8\u9032\u6570\u3067\u8868\u793a\u3059\u308b\u306812<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">16\u9032\u6570\u3092\u6271\u3044\u305f\u3044<\/h3>\n\n\n\n<p>\u5148\u7a0b\u306f8\u9032\u6570\u3092\u6271\u3044\u307e\u3057\u305f\u304c\u4eca\u5ea6\u306f16\u9032\u6570\u306e\u5834\u5408\u3067\u3059\u300216\u9032\u6570\u306e\u5834\u5408\u306f\u300c%x\u300d\u3092\u6271\u3046\u3053\u3068\u3067\u8868\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30fc\u30c9<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String str = String.format(\"16\u9032\u6570\u3067\u8868\u793a\u3059\u308b\u3068%x\", 10);<\/pre>\n\n\n\n<p>\u5909\u6570str\u3092\u8868\u793a\u3057\u305f\u7d50\u679c<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">16\u9032\u6570\u3067\u8868\u793a\u3059\u308b\u3068a<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u6570\u5024\u306e\u5148\u982d\u3092\u4f55\u304b\u3067\u57cb\u3081\u305f\u3044\u5834\u5408<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">0\u3067\u57cb\u3081\u308b\u5834\u5408<\/h3>\n\n\n\n<p>\u300c00001\u300d\u306e\u3088\u3046\u306b\u5148\u982d\u306b0\u3092\u3067\u57cb\u3081\u305f\u3044\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30fc\u30c9<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String str = String.format(\"%05d\", 1);<\/pre>\n\n\n\n<p>\u5909\u6570str\u3092\u8868\u793a\u3057\u305f\u7d50\u679c<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">00001<\/pre>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br>\u3082\u3057\u3053\u308c\u304c\u300c12345\u300d\u306e\u3088\u3046\u306a5\u6841\u6570\u5024\u306e\u5834\u5408\u306f\u982d\u306b0\u3067\u57cb\u3081\u3089\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>0\u3067\u57cb\u3081\u3089\u308c\u308b\u30b1\u30fc\u30b9\u3068\u3057\u3066\u306f\u300c%\uff5ed\u300d\u3067\u6307\u5b9a\u3057\u305f\u6841\u6570\u306b\u6e80\u305f\u306a\u3044\u6570\u5024\u306f\u8db3\u308a\u306a\u3044\u6841\u52060\u3067\u57cb\u3081\u3089\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7a7a\u767d\u3067\u57cb\u3081\u308b\u5834\u5408<\/h3>\n\n\n\n<p>\u4eca\u5ea6\u306f0\u3067\u306f\u306a\u304f\u7a7a\u767d\u3092\u5165\u308c\u305f\u3044\u5834\u5408\u306f\u3069\u3046\u306a\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5148\u982d\u306b\u7a7a\u767d\u3092\u5165\u308c\u308b<\/h4>\n\n\n\n<p>\u30b3\u30fc\u30c9<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String str = String.format(\"%5d\", 10);<\/pre>\n\n\n\n<p>\u5909\u6570str\u3092\u8868\u793a\u3057\u305f\u7d50\u679c<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">   10<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u5f8c\u308d\u306b\u7a7a\u767d\u3092\u5165\u308c\u308b<\/h4>\n\n\n\n<p>\u30b3\u30fc\u30c9<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String str = String.format(\"%-5d\", 10);<\/pre>\n\n\n\n<p>\u5909\u6570str\u3092\u8868\u793a\u3057\u305f\u7d50\u679c<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">10<\/pre>\n\n\n\n<p>\u7a7a\u767d\u3092\u5165\u308c\u305f\u3044\u5834\u5408\u306f\u3001\u300c%[\u6841\u6570][\u578b]\u300d\u3068\u3044\u3063\u305f\u5f62\u3067\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3001\u3053\u306e\u65b9\u6cd5\u306f\u5148\u982d\u304b\u3089\u7a7a\u767d\u3067\u57cb\u3081\u308b\u306e\u3067\u5f8c\u308d\u5074\u306b\u7a7a\u767d\u3092\u5165\u308c\u305f\u3044\u5834\u5408\u306f\u300c%-[\u6841\u6570][\u578b]\u300d\u3068\u3044\u3046\u66f8\u304d\u65b9\u3092\u3059\u308b\u3053\u3068\u3067\u5b9f\u73fe\u3067\u304d\u307e\u3059\uff01<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u3067\u306f\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p>String.format\u3092\u4f7f\u3046\u3053\u3068\u3067<b>\u66f8\u5f0f\u306b\u305d\u3063\u305f\u5f62\u3067\u6587\u5b57\u5217\u3092\u5909\u63db\u3057\u3066\u8fd4\u3059<\/b>\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u6570\u5024\u3084\u6587\u5b57\u5217\u3092\u7f6e\u304d\u63db\u3048\u308b\u3060\u3051\u3067\u306a\u304f\u30b3\u30f3\u30de\u533a\u5207\u308a\u306b\u3057\u305f\u308a\u3001\u6570\u5024\u3084\u6587\u5b57\u306b\u30b9\u30da\u30fc\u30b9\u3092\u633f\u5165\u3057\u305f\u308a\u3068\u69d8\u3005\u306a\u4f7f\u3044\u65b9\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3068\u3066\u3082\u4fbf\u5229\u306a\u306e\u3067\u899a\u3048\u3066\u304a\u304f\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002\u5fd8\u308c\u3066\u3057\u307e\u3063\u305f\u5834\u5408\u306f\u3053\u306e\u8a18\u4e8b\u3092\u601d\u3044\u51fa\u3057\u3066\u632f\u308a\u8fd4\u308a\u307e\u3057\u3087\u3046\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u307f\u306a\u3055\u3093Java\u306eString.format\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u304b\uff1f \u3068\u3066\u3082\u4fbf\u5229\u306a\u30e1\u30bd\u30c3\u30c9\u3060\u3068\u601d\u3044\u307e\u3059\u304c \u57fa\u672c\u7684\u306a\u66f8\u5f0f\u3092\u5fd8\u308c\u3066\u3057\u307e\u3046\u30ab\u30f3\u30de\u533a\u5207\u308a\u306e\u6570\u5024\u3092\u6271\u3046\u306b\u306f\u3069\u3046\u3057\u305f\u3089\u3044\u3044\u306e\u304b\u5148\u982d\u304b\u30890\u3067\u57cb\u3081\u305f\u6570\u5024\u306f\u3069\u3046\u3084\u308c\u3070\u5b9f\u73fe\u3067 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":14603,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"swell_btn_cv_data":"","footnotes":""},"categories":[2344],"tags":[67],"class_list":["post-14466","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java-study","tag-java"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u30105\u5206\u3067\u7406\u89e3\u3011Java\u306eString.format\u306e\u4f7f\u3044\u65b9\u307e\u3068\u3081 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0<\/title>\n<meta name=\"description\" content=\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u30105\u5206\u3067\u7406\u89e3\u3011Java\u306eString.format\u306e\u4f7f\u3044\u65b9\u307e\u3068\u3081 \u300d\u306b\u3064\u3044\u3066\u3001\u8ab0\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u3042\u306a\u305f\u306e\u60a9\u307f\u304c\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3058\u3083\u306a\u304f\u3001\u65b0\u305f\u306a\u6c17\u4ed8\u304d\u3082\u767a\u898b\u3067\u304d\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u304a\u60a9\u307f\u306e\u65b9\u306f\u305c\u3072\u3054\u4e00\u8aad\u304f\u3060\u3055\u3044\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.sejuku.net\/blog\/14466\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u30105\u5206\u3067\u7406\u89e3\u3011Java\u306eString.format\u306e\u4f7f\u3044\u65b9\u307e\u3068\u3081 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0\" \/>\n<meta property=\"og:description\" content=\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u30105\u5206\u3067\u7406\u89e3\u3011Java\u306eString.format\u306e\u4f7f\u3044\u65b9\u307e\u3068\u3081 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