{"id":166,"date":"2024-10-01T10:56:28","date_gmt":"2024-10-01T01:56:28","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=166"},"modified":"2025-03-24T08:54:59","modified_gmt":"2025-03-23T23:54:59","slug":"java-csv%e8%aa%ad%e3%81%bf%e8%be%bc%e3%81%bf%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89%ef%bc%9a%e5%88%9d%e5%bf%83%e8%80%85%e3%81%8b%e3%82%89%e4%b8%8a%e7%b4%9a%e8%80%85%e3%81%be%e3%81%a7%e4%bd%bf","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=166","title":{"rendered":"Java CSV\u8aad\u307f\u8fbc\u307f\u5b8c\u5168\u30ac\u30a4\u30c9\uff1a\u521d\u5fc3\u8005\u304b\u3089\u4e0a\u7d1a\u8005\u307e\u3067\u4f7f\u3048\u308b7\u3064\u306e\u30c6\u30af\u30cb\u30c3\u30af"},"content":{"rendered":"<div id=\"sgb-css-id-1\">\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"\u76ee\u6b21\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">1. \u306f\u3058\u3081\u306b\uff1aJava\u3067\u306eCSV\u8aad\u307f\u8fbc\u307f\u306e\u91cd\u8981\u6027\u3068\u57fa\u790e\u77e5\u8b58<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">1.1 \u30d3\u30b8\u30cd\u30b9\u306b\u304a\u3051\u308bCSV\u30c7\u30fc\u30bf\u306e\u5f79\u5272\u3068\u91cd\u8981\u6027<\/a>      <\/li>      <li>        <a href=\"#i-2\">1.2 Java\u3067CSV\u3092\u8aad\u307f\u8fbc\u3080\u969b\u306e\u57fa\u672c\u7684\u306a\u8003\u3048\u65b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-3\">1.3 \u672c\u8a18\u4e8b\u3067\u5b66\u3079\u308b7\u3064\u306e\u30c6\u30af\u30cb\u30c3\u30af\u306e\u6982\u8981<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-4\">2. \u30c6\u30af\u30cb\u30c3\u30af1\uff1a\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u305f\u57fa\u672c\u7684\u306aCSV\u8aad\u307f\u8fbc\u307f<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-5\">2.1 java.io.BufferedReader\u3092\u4f7f\u7528\u3057\u305fCSV\u8aad\u307f\u8fbc\u307f\u306e\u5b9f\u88c5<\/a>      <\/li>      <li>        <a href=\"#i-6\">2.2 String.split\u30e1\u30bd\u30c3\u30c9\u3092\u6d3b\u7528\u3057\u305fCSV\u30d1\u30fc\u30b9<\/a>      <\/li>      <li>        <a href=\"#i-7\">2.3 \u57fa\u672c\u7684\u306aCSV\u8aad\u307f\u8fbc\u307f\u306e\u5229\u70b9\u3068\u5236\u9650<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-8\">\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3068\u6ce8\u610f\u70b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-9\">3. \u30c6\u30af\u30cb\u30c3\u30af2\uff1aApache Commons CSV\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u6d3b\u7528<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-10\">3.1 Apache Commons CSV\u306e\u7279\u5fb4\u3068\u5229\u70b9<\/a>      <\/li>      <li>        <a href=\"#i-11\">3.2 CSVParser\u3092\u4f7f\u7528\u3057\u305f\u52b9\u7387\u7684\u306a\u8aad\u307f\u8fbc\u307f\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-12\">3.3 \u30ab\u30b9\u30bf\u30e0\u30d5\u30a9\u30fc\u30de\u30c3\u30c8CSV\u306e\u51e6\u7406\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-13\">\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3068\u6ce8\u610f\u70b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-14\">4. \u30c6\u30af\u30cb\u30c3\u30af3\uff1aOpenCSV\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u305f\u67d4\u8edf\u306a\u8aad\u307f\u8fbc\u307f<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-15\">4.1 OpenCSV\u306e\u6a5f\u80fd\u3068 Apache Commons CSV\u3068\u306e\u6bd4\u8f03<\/a>      <\/li>      <li>        <a href=\"#i-16\">4.2 CSVReader\u3092\u4f7f\u7528\u3057\u305f\u30b7\u30f3\u30d7\u30eb\u306a\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-17\">4.3 Bean\u6a5f\u80fd\u3092\u6d3b\u7528\u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30de\u30c3\u30d4\u30f3\u30b0<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-18\">OpenCSV\u306e\u5229\u70b9\u3068\u9069\u5207\u306a\u4f7f\u7528\u30b7\u30fc\u30f3<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-19\">5. \u30c6\u30af\u30cb\u30c3\u30af4\uff1a\u5927\u5bb9\u91cfCSV\u30d5\u30a1\u30a4\u30eb\u306e\u52b9\u7387\u7684\u306a\u51e6\u7406\u65b9\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-20\">5.1 \u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u51e6\u7406\u3092\u6d3b\u7528\u3057\u305f\u7701\u30e1\u30e2\u30ea\u8aad\u307f\u8fbc\u307f<\/a>      <\/li>      <li>        <a href=\"#i-21\">5.2 \u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u305f\u4e26\u5217\u51e6\u7406\u306e\u5b9f\u88c5<\/a>      <\/li>      <li>        <a href=\"#i-22\">5.3 \u30e1\u30e2\u30ea\u30de\u30c3\u30d4\u30f3\u30b0\u30d5\u30a1\u30a4\u30eb\u306b\u3088\u308b\u9ad8\u901f\u8aad\u307f\u8fbc\u307f<\/a>      <\/li>      <li>        <a href=\"#i-23\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30dd\u30a4\u30f3\u30c8<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-24\">\u5b9f\u969b\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-25\">6. \u30c6\u30af\u30cb\u30c3\u30af5\uff1aCSV\u8aad\u307f\u8fbc\u307f\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-26\">6.1 \u30d0\u30c3\u30d5\u30a1\u30ea\u30f3\u30b0\u3068\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\u306e\u9069\u5207\u306a\u4f7f\u7528\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-27\">6.2 \u6b63\u898f\u8868\u73fe\u306e\u6700\u9069\u5316\u306b\u3088\u308b\u30d1\u30fc\u30b9\u51e6\u7406\u306e\u9ad8\u901f\u5316<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-28\">6.3 JVM\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306b\u3088\u308bCSV\u51e6\u7406\u306e\u52b9\u7387\u5316<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-29\">7. \u30c6\u30af\u30cb\u30c3\u30af6\uff1a\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3068\u30c7\u30fc\u30bf\u691c\u8a3c\u306e\u5b9f\u88c5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-30\">7.1 \u4f8b\u5916\u51e6\u7406\u3092\u6d3b\u7528\u3057\u305f\u5805\u7262\u306aCSV\u8aad\u307f\u8fbc\u307f\u306e\u5b9f\u73fe<\/a>      <\/li>      <li>        <a href=\"#i-31\">7.2 \u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30ed\u30b8\u30c3\u30af\u306e\u5b9f\u88c5\u3068\u30a8\u30e9\u30fc\u5831\u544a<\/a>      <\/li>      <li>        <a href=\"#i-32\">7.3 \u4e0d\u6b63\u306a\u30c7\u30fc\u30bf\u306e\u81ea\u52d5\u4fee\u6b63\u3068\u4ee3\u66ff\u5024\u306e\u8a2d\u5b9a<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-33\">\u30a8\u30e9\u30fc\u30ed\u30b0\u306e\u91cd\u8981\u6027\u3068\u52b9\u679c\u7684\u306a\u30ed\u30b0\u8a18\u9332<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-34\">8. \u30c6\u30af\u30cb\u30c3\u30af7\uff1a\u30bb\u30ad\u30e5\u30a2\u306aCSV\u8aad\u307f\u8fbc\u307f\u306e\u5b9f\u73fe<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-35\">8.1 CSV\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u653b\u6483\u306e\u7406\u89e3\u3068\u5bfe\u7b56<\/a>      <\/li>      <li>        <a href=\"#i-36\">8.2 \u6a5f\u5bc6\u60c5\u5831\u3092\u542b\u3080CSV\u306e\u5b89\u5168\u306a\u51e6\u7406\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-37\">8.3 \u5165\u529b\u30b5\u30cb\u30bf\u30a4\u30ba\u3068\u30a8\u30b9\u30b1\u30fc\u30d7\u51e6\u7406\u306e\u5b9f\u88c5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-38\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u76e3\u67fb\u3068\u30c6\u30b9\u30c8\u306e\u91cd\u8981\u6027<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-39\">9. \u307e\u3068\u3081\uff1aJava CSV\u8aad\u307f\u8fbc\u307f\u30de\u30b9\u30bf\u30fc\u3078\u306e\u9053<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-40\">9.1 7\u3064\u306e\u30c6\u30af\u30cb\u30c3\u30af\u306e\u8981\u70b9\u3068\u4f7f\u3044\u5206\u3051<\/a>      <\/li>      <li>        <a href=\"#i-41\">9.2 \u5b9f\u8df5\u7684\u306a\u5fdc\u7528\u4f8b\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-42\">9.3 \u3055\u3089\u306a\u308b\u5b66\u7fd2\u306e\u305f\u3081\u306e\u30ea\u30bd\u30fc\u30b9\u3068\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/a>      <\/li>    <\/ul>  <\/li><\/ul>\n      <a href=\"#\" class=\"sgb-toc-button js-toc-button\" rel=\"nofollow\" data-open-dialog=\"true\"><i class=\"fa fa-list\"><\/i><span class=\"sgb-toc-button__text\">\u76ee\u6b21\u3078<\/span><\/a>\n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">1. \u306f\u3058\u3081\u306b\uff1aJava\u3067\u306eCSV\u8aad\u307f\u8fbc\u307f\u306e\u91cd\u8981\u6027\u3068\u57fa\u790e\u77e5\u8b58<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-2\">\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u306b\u89e6\u308c\u305f\u3053\u3068\u306e\u306a\u3044\u958b\u767a\u8005\u306f\u3001\u307b\u3068\u3093\u3069\u3044\u306a\u3044\u3067\u3057\u3087\u3046\u3002CSV\u306f\u3001\u305d\u306e\u7c21\u6f54\u3055\u3068\u6c4e\u7528\u6027\u304b\u3089\u3001\u4eca\u65e5\u306e\u30d3\u30b8\u30cd\u30b9\u4e16\u754c\u3067\u30c7\u30fc\u30bf\u4ea4\u63db\u306e\u6a19\u6e96\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3068\u3057\u3066\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5b9f\u969b\u3001\u4f01\u696d\u306e\u7d0480%\u304cCSV\u30d5\u30a1\u30a4\u30eb\u3092\u65e5\u5e38\u7684\u306b\u4f7f\u7528\u3057\u3066\u3044\u308b\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u8ca1\u52d9\u30c7\u30fc\u30bf\u3001\u9867\u5ba2\u60c5\u5831\u3001\u5728\u5eab\u7ba1\u7406\u306a\u3069\u3001CSV\u306f\u30d3\u30b8\u30cd\u30b9\u306e\u3042\u3089\u3086\u308b\u5074\u9762\u3067\u6d3b\u8e8d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-3\">\n<p>Java\u3067CSV\u30d5\u30a1\u30a4\u30eb\u3092\u52b9\u7387\u7684\u306b\u8aad\u307f\u8fbc\u307f\u3001\u51e6\u7406\u3059\u308b\u80fd\u529b\u306f\u3001\u73fe\u4ee3\u306e\u958b\u767a\u8005\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u306a\u30b9\u30ad\u30eb\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n<ul class=\"wp-block-list is-style-sango-list-simple\"><div id=\"sgb-css-id-4\">\n<li>E\u30b3\u30de\u30fc\u30b9\u30b5\u30a4\u30c8\u3067\u5927\u91cf\u306e\u5546\u54c1\u30c7\u30fc\u30bf\u3092\u7ba1\u7406<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-5\">\n<li>\u91d1\u878d\u6a5f\u95a2\u3067\u81a8\u5927\u306a\u53d6\u5f15\u5c65\u6b74\u3092\u5206\u6790<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-6\">\n<li>IoT\u30c7\u30d0\u30a4\u30b9\u304b\u3089\u53ce\u96c6\u3055\u308c\u305f\u5927\u91cf\u306e\u30bb\u30f3\u30b5\u30fc\u30c7\u30fc\u30bf\u3092\u51e6\u7406<\/li>\n<\/div><\/ul>\n\n\n<div id=\"sgb-css-id-7\">\n<p>\u4e0a\u8a18\u306e\u4f8b\u306fCSV\u51e6\u7406\u306e\u4e00\u4f8b\u306b\u904e\u304e\u307e\u305b\u3093\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-8\">\n<h3 class=\"wp-block-heading\" id=\"i-1\">1.1 \u30d3\u30b8\u30cd\u30b9\u306b\u304a\u3051\u308bCSV\u30c7\u30fc\u30bf\u306e\u5f79\u5272\u3068\u91cd\u8981\u6027<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-9\">\n<p>CSV\u306e\u9b45\u529b\u306f\u3001\u305d\u306e\u5358\u7d14\u3055\u306b\u3042\u308a\u307e\u3059\u3002\u30ab\u30f3\u30de\u3067\u533a\u5207\u3089\u308c\u305f\u5024\u306e\u96c6\u307e\u308a\u3068\u3044\u3046\u5358\u7d14\u306a\u69cb\u9020\u304c\u3001\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58\u3068\u4ea4\u63db\u3092\u53ef\u80fd\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u5358\u7d14\u3055\u304c\u3001\u7570\u306a\u308b\u30b7\u30b9\u30c6\u30e0\u9593\u3067\u306e\u30c7\u30fc\u30bf\u79fb\u884c\u3092\u5bb9\u6613\u306b\u3057\u3001\u591a\u304f\u306e\u4f01\u696d\u304cCSV\u3092\u9078\u629e\u3059\u308b\u7406\u7531\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-10\">\n<h3 class=\"wp-block-heading\" id=\"i-2\">1.2 Java\u3067CSV\u3092\u8aad\u307f\u8fbc\u3080\u969b\u306e\u57fa\u672c\u7684\u306a\u8003\u3048\u65b9<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-11\">\n<p>Java\u3067CSV\u3092\u8aad\u307f\u8fbc\u3080\u969b\u3001\u4ee5\u4e0b\u306e\u57fa\u672c\u6982\u5ff5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-16\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">Java\u3067CSV\u3092\u8aad\u307f\u8fbc\u3080\u969b\u306e\u57fa\u672c\u6982\u5ff5<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ol class=\"wp-block-list\"><div id=\"sgb-css-id-12\">\n<li>CSV\u306f\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308b<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-13\">\n<li>\u5404\u884c\u306f1\u3064\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u8868\u3059<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-14\">\n<li>\u5217\u306f\u30ab\u30f3\u30de\u3067\u533a\u5207\u3089\u308c\u3066\u3044\u308b<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-15\">\n<li>Java\u306e\u6587\u5b57\u5217\u51e6\u7406\u3068\u30d5\u30a1\u30a4\u30eb\u5165\u51fa\u529b\u306e\u57fa\u672c\u3092\u6d3b\u7528\u3059\u308b<\/li>\n<\/div><\/ol>\n<\/div><\/div>\n<\/div>\n\n\n<p>\u3053\u308c\u3089\u306e\u6982\u5ff5\u3092\u8e0f\u307e\u3048\u3001Java\u306e\u30d5\u30a1\u30a4\u30ebI\/O\u6a5f\u80fd\u3068\u6587\u5b57\u5217\u64cd\u4f5c\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001CSV\u30c7\u30fc\u30bf\u3092\u52b9\u679c\u7684\u306b\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n<div id=\"sgb-css-id-17\">\n<h3 class=\"wp-block-heading\" id=\"i-3\">1.3 \u672c\u8a18\u4e8b\u3067\u5b66\u3079\u308b7\u3064\u306e\u30c6\u30af\u30cb\u30c3\u30af\u306e\u6982\u8981<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-18\">\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001Java\u3067CSV\u3092\u8aad\u307f\u8fbc\u3080\u305f\u3081\u306e7\u3064\u306e\u5f37\u529b\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-26\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">Java\u3067CSV\u3092\u8aad\u307f\u8fbc\u3080\u305f\u3081\u306e7\u3064\u306e\u30c6\u30af\u30cb\u30c3\u30af<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ol class=\"wp-block-list\"><div id=\"sgb-css-id-19\">\n<li>\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u305f\u57fa\u672c\u7684\u306aCSV\u8aad\u307f\u8fbc\u307f<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-20\">\n<li>Apache Commons CSV\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u6d3b\u7528<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-21\">\n<li>OpenCSV\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u305f\u67d4\u8edf\u306a\u8aad\u307f\u8fbc\u307f<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-22\">\n<li>\u5927\u5bb9\u91cfCSV\u30d5\u30a1\u30a4\u30eb\u306e\u52b9\u7387\u7684\u306a\u51e6\u7406\u65b9\u6cd5<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-23\">\n<li>CSV\u8aad\u307f\u8fbc\u307f\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-24\">\n<li>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3068\u30c7\u30fc\u30bf\u691c\u8a3c\u306e\u5b9f\u88c5<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-25\">\n<li>\u30bb\u30ad\u30e5\u30a2\u306aCSV\u8aad\u307f\u8fbc\u307f\u306e\u5b9f\u73fe<\/li>\n<\/div><\/ol>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-27\">\n<p>\u3053\u308c\u3089\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u7fd2\u5f97\u3059\u308b\u3053\u3068\u3067\u3001CSV\u51e6\u7406\u306e\u52b9\u7387\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5b9f\u969b\u3001\u6700\u9069\u5316\u3055\u308c\u305fJava\u30b3\u30fc\u30c9\u3067CSV\u3092\u51e6\u7406\u3059\u308b\u3068\u3001\u5e73\u5747\u3067\u7d0440%\u306e\u51e6\u7406\u901f\u5ea6\u5411\u4e0a\u304c\u898b\u3089\u308c\u308b\u3068\u3044\u3046\u30c7\u30fc\u30bf\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u304b\u3089\u306f\u3001\u5404\u30c6\u30af\u30cb\u30c3\u30af\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002Java\u3067\u306eCSV\u8aad\u307f\u8fbc\u307f\u306e\u30de\u30b9\u30bf\u30fc\u3078\u306e\u9053\u3092\u3001\u4e00\u7dd2\u306b\u6b69\u3093\u3067\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n<div id=\"sgb-css-id-28\">\n<h2 class=\"wp-block-heading\" id=\"i-4\">2. \u30c6\u30af\u30cb\u30c3\u30af1\uff1a\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u305f\u57fa\u672c\u7684\u306aCSV\u8aad\u307f\u8fbc\u307f<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-29\">\n<p>Java\u306e\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u3066CSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u65b9\u6cd5\u306f\u3001\u6700\u3082\u57fa\u672c\u7684\u304b\u3064\u30b7\u30f3\u30d7\u30eb\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u3059\u3002\u3053\u306e\u65b9\u6cd5\u306f\u3001\u8ffd\u52a0\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u3001\u5c0f\u898f\u6a21\u306aCSV\u30d5\u30a1\u30a4\u30eb\u306e\u51e6\u7406\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-30\">\n<h3 class=\"wp-block-heading\" id=\"i-5\">2.1 java.io.BufferedReader\u3092\u4f7f\u7528\u3057\u305fCSV\u8aad\u307f\u8fbc\u307f\u306e\u5b9f\u88c5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-31\">\n<p><code>java.io.BufferedReader<\/code>\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30c6\u30ad\u30b9\u30c8\u3092\u52b9\u7387\u7684\u306b\u8aad\u307f\u8fbc\u3080\u305f\u3081\u306e\u30af\u30e9\u30b9\u3067\u3059\u3002\u30d0\u30c3\u30d5\u30a1\u30ea\u30f3\u30b0\u306b\u3088\u308aI\/O\u64cd\u4f5c\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001<code>readLine()<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u30921\u884c\u305a\u3064\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-32\">\n<p>\u4ee5\u4e0b\u306b\u3001\u57fa\u672c\u7684\u306aCSV\u8aad\u307f\u8fbc\u307f\u306e\u5b9f\u88c5\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import java.io.BufferedReader;\nimport java.io.FileReader;\nimport java.io.IOException;\n\npublic class BasicCSVReader {\n    public static void main(String[] args) {\n        String csvFile = \"path\/to\/your\/file.csv\";\n        String line;\n\n        try (BufferedReader br = new BufferedReader(new FileReader(csvFile))) {\n            while ((line = br.readLine()) != null) {\n                \/\/ CSV\u306e\u5404\u884c\u3092\u51e6\u7406\n                processLine(line);\n            }\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n\n    private static void processLine(String line) {\n        \/\/ \u3053\u3053\u3067\u5404\u884c\u3092\u51e6\u7406\u3059\u308b\n        System.out.println(line);\n    }\n}<\/pre>\n\n\n\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001try-with-resources\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304d\u3001\u81ea\u52d5\u7684\u306b\u30af\u30ed\u30fc\u30ba\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n<div id=\"sgb-css-id-33\">\n<h3 class=\"wp-block-heading\" id=\"i-6\">2.2 String.split\u30e1\u30bd\u30c3\u30c9\u3092\u6d3b\u7528\u3057\u305fCSV\u30d1\u30fc\u30b9<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-34\">\n<p>\u5404\u884c\u3092\u8aad\u307f\u8fbc\u3093\u3060\u5f8c\u3001<code>String.split()<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30ab\u30f3\u30de\u3067\u533a\u5207\u3089\u308c\u305f\u5024\u3092\u5206\u5272\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">private static void processLine(String line) {\n    String[] values = line.split(\",\");\n    for (String value : values) {\n        \/\/ \u5404\u5024\u3092\u51e6\u7406\n        System.out.println(value.trim());\n    }\n}<\/pre>\n\n\n\n<p><code>split()<\/code>\u30e1\u30bd\u30c3\u30c9\u306f\u6b63\u898f\u8868\u73fe\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u3088\u308a\u8907\u96d1\u306a\u533a\u5207\u308a\u30d1\u30bf\u30fc\u30f3\u306b\u3082\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n<div id=\"sgb-css-id-35\">\n<h3 class=\"wp-block-heading\" id=\"i-7\">2.3 \u57fa\u672c\u7684\u306aCSV\u8aad\u307f\u8fbc\u307f\u306e\u5229\u70b9\u3068\u5236\u9650<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-39\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:#009EF3;color:#FFF\" class=\"sgb-box-simple__title\">\u5229\u70b9<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:#009EF3;background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-36\">\n<li>\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u307f\u3067\u5b9f\u88c5\u53ef\u80fd<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-37\">\n<li>\u30b7\u30f3\u30d7\u30eb\u3067\u7406\u89e3\u3057\u3084\u3059\u3044<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-38\">\n<li>\u5c0f\u898f\u6a21\u306aCSV\u30d5\u30a1\u30a4\u30eb\u306e\u51e6\u7406\u306b\u9069\u3057\u3066\u3044\u308b<\/li>\n<\/div><\/ul>\n<\/div><\/div>\n<\/div>\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:#f88080;color:#FFF\" class=\"sgb-box-simple__title\">\u5236\u9650<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:#f88080;background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-40\">\n<li>\u5927\u898f\u6a21\u30d5\u30a1\u30a4\u30eb\u306e\u51e6\u7406\u306b\u306f\u975e\u52b9\u7387<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-41\">\n<li>\u8907\u96d1\u306aCSV\u5f62\u5f0f\uff08\u5f15\u7528\u7b26\u3067\u56f2\u307e\u308c\u305f\u30ab\u30f3\u30de\u306a\u3069\uff09\u306e\u51e6\u7406\u304c\u56f0\u96e3<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-42\">\n<li>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u304c\u958b\u767a\u8005\u306e\u8cac\u4efb<\/li>\n<\/div><\/ul>\n<\/div><\/div>\n\n\n<div id=\"sgb-css-id-43\">\n<h3 class=\"wp-block-heading\" id=\"i-8\">\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3068\u6ce8\u610f\u70b9<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-44\">\n<p>\u3053\u306e\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u9762\u3067\u6709\u52b9\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:#009EF3;color:#fefefe\" class=\"sgb-box-simple__title\">\u6709\u52b9\u306a\u5834\u9762<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:#009EF3;background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-45\">\n<li>\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-46\">\n<li>\u5c0f\u898f\u6a21\u306a\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306e\u89e3\u6790<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-47\">\n<li>\u7c21\u5358\u306a\u30c7\u30fc\u30bf\u30a4\u30f3\u30dd\u30fc\u30c8\u6a5f\u80fd\u306e\u5b9f\u88c5<\/li>\n<\/div><\/ul>\n<\/div><\/div>\n\n\n<div id=\"sgb-css-id-48\">\n<p>\u305f\u3060\u3057\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-52\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:#ffb36b;color:#ffffff\" class=\"sgb-box-simple__title\">\u6ce8\u610f\u304c\u5fc5\u8981\u306a\u70b9<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:#ffb36b;background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-49\">\n<li>\u30d5\u30a1\u30a4\u30eb\u306e\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306b\u6ce8\u610f\u3059\u308b\uff08\u5fc5\u8981\u306b\u5fdc\u3058\u3066<code>FileReader<\/code>\u306e\u4ee3\u308f\u308a\u306b<code>InputStreamReader<\/code>\u3092\u4f7f\u7528\uff09<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-50\">\n<li>\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u6271\u3046\u5834\u5408\u306f\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306b\u6ce8\u610f\u3059\u308b<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-51\">\n<li>\u8907\u96d1\u306aCSV\u5f62\u5f0f\u3092\u51e6\u7406\u3059\u308b\u5834\u5408\u306f\u3001\u3088\u308a\u5805\u7262\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4f7f\u7528\u3092\u691c\u8a0e\u3059\u308b<\/li>\n<\/div><\/ul>\n<\/div><\/div>\n<\/div>\n\n\n<p>\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u305fCSV\u8aad\u307f\u8fbc\u307f\u306f\u3001\u305d\u306e\u7c21\u6f54\u3055\u3068\u6c4e\u7528\u6027\u304b\u3089\u3001\u591a\u304f\u306e\u5834\u9762\u3067\u6709\u7528\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u3088\u308a\u8907\u96d1\u306aCSV\u51e6\u7406\u3084\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u306e\u53d6\u308a\u6271\u3044\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u7d39\u4ecb\u3059\u308bApache Commons CSV\u30e9\u30a4\u30d6\u30e9\u30ea\u306a\u3069\u3001\u5c02\u9580\u306eCSV\u30d1\u30fc\u30b7\u30f3\u30b0\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4f7f\u7528\u3092\u691c\u8a0e\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n<div id=\"sgb-css-id-53\">\n<h2 class=\"wp-block-heading\" id=\"i-9\">3. \u30c6\u30af\u30cb\u30c3\u30af2\uff1aApache Commons CSV\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u6d3b\u7528<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-54\">\n<p>\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u306eCSV\u51e6\u7406\u306b\u9650\u754c\u3092\u611f\u3058\u305f\u3089\u3001Apache Commons CSV\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4f7f\u7528\u3092\u691c\u8a0e\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3001\u8907\u96d1\u306aCSV\u5f62\u5f0f\u306b\u3082\u5bfe\u5fdc\u53ef\u80fd\u306a\u9ad8\u6027\u80fd\u3067\u67d4\u8edf\u306aCSV\u51e6\u7406\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-55\">\n<h3 class=\"wp-block-heading\" id=\"i-10\">3.1 Apache Commons CSV\u306e\u7279\u5fb4\u3068\u5229\u70b9<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-56\">\n<p>Apache Commons CSV\u306f\u3001Apache Software Foundation\u304c\u958b\u767a\u30fb\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3059\u308b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eCSV\u51e6\u7406\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002\u4e3b\u306a\u7279\u5fb4\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-61\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">Apache Commons CSV \u306e\u7279\u5fb4<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-57\">\n<li>RFC 4180\u6e96\u62e0\u306eCSV\u5f62\u5f0f\u3092\u30b5\u30dd\u30fc\u30c8<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-58\">\n<li>\u30ab\u30b9\u30bf\u30e0CSV\u5f62\u5f0f\u306e\u5b9a\u7fa9\u304c\u53ef\u80fd<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-59\">\n<li>\u5927\u898f\u6a21\u30d5\u30a1\u30a4\u30eb\u306e\u52b9\u7387\u7684\u306a\u51e6\u7406<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-60\">\n<li>\u5805\u7262\u306a\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u6a5f\u80fd<\/li>\n<\/div><\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-62\">\n<p>\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u6bd4\u8f03\u3059\u308b\u3068\u3001\u8907\u96d1\u306aCSV\u5f62\u5f0f\u306e\u51e6\u7406\u304c\u5bb9\u6613\u306b\u306a\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3082\u5411\u4e0a\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u5c02\u7528\u306eAPI\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u4fdd\u5b88\u6027\u3082\u9ad8\u307e\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-63\">\n<h3 class=\"wp-block-heading\" id=\"i-11\">3.2 CSVParser\u3092\u4f7f\u7528\u3057\u305f\u52b9\u7387\u7684\u306a\u8aad\u307f\u8fbc\u307f\u65b9\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-64\">\n<p>\u307e\u305a\u3001Apache Commons CSV\u3092\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u5c0e\u5165\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Maven \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092<code>pom.xml<\/code>\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;dependency&gt;\n    &lt;groupId&gt;org.apache.commons&lt;\/groupId&gt;\n    &lt;artifactId&gt;commons-csv&lt;\/artifactId&gt;\n    &lt;version&gt;1.9.0&lt;\/version&gt;\n&lt;\/dependency&gt;<\/pre>\n\n\n<div id=\"sgb-css-id-65\">\n<p>Gradle\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u3092<code>build.gradle<\/code>\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">implementation 'org.apache.commons:commons-csv:1.9.0'<\/pre>\n\n\n<div id=\"sgb-css-id-66\">\n<p>\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u5c0e\u5165\u3057\u305f\u3089\u3001\u4ee5\u4e0b\u306e\u51e6\u7406\u306b\u3066CSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import org.apache.commons.csv.CSVFormat;\nimport org.apache.commons.csv.CSVParser;\nimport org.apache.commons.csv.CSVRecord;\n\nimport java.io.FileReader;\nimport java.io.IOException;\n\npublic class ApacheCommonsCSVReader {\n    public static void main(String[] args) {\n        String csvFile = \"path\/to\/your\/file.csv\";\n\n        try (FileReader reader = new FileReader(csvFile);\n             CSVParser csvParser = new CSVParser(reader, CSVFormat.DEFAULT)) {\n\n            for (CSVRecord csvRecord : csvParser) {\n                \/\/ CSV\u306e\u5404\u884c\u3092\u51e6\u7406\n                processRecord(csvRecord);\n            }\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n\n    private static void processRecord(CSVRecord record) {\n        \/\/ \u3053\u3053\u3067\u5404\u30ec\u30b3\u30fc\u30c9\u3092\u51e6\u7406\u3059\u308b\n        System.out.println(record.get(0)); \/\/ \u6700\u521d\u306e\u5217\u306e\u5024\u3092\u51fa\u529b\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-67\">\n<h3 class=\"wp-block-heading\" id=\"i-12\">3.3 \u30ab\u30b9\u30bf\u30e0\u30d5\u30a9\u30fc\u30de\u30c3\u30c8CSV\u306e\u51e6\u7406\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-68\">\n<p>Apache Commons CSV\u306e\u5f37\u307f\u306f\u3001\u30ab\u30b9\u30bf\u30e0\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306eCSV\u30d5\u30a1\u30a4\u30eb\u3092\u7c21\u5358\u306b\u51e6\u7406\u3067\u304d\u308b\u3053\u3068\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u30bf\u30d6\u533a\u5207\u308a\u306eCSV\u30d5\u30a1\u30a4\u30eb\u3092\u51e6\u7406\u3059\u308b\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b<code>CSVFormat<\/code>\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">CSVFormat format = CSVFormat.DEFAULT\n    .withDelimiter('\\t')\n    .withFirstRecordAsHeader()\n    .withIgnoreHeaderCase()\n    .withTrim();\n\ntry (CSVParser csvParser = new CSVParser(reader, format)) {\n    \/\/ \u30d1\u30fc\u30b9\u51e6\u7406\n}<\/pre>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u533a\u5207\u308a\u6587\u5b57\u306e\u5909\u66f4\u3001\u30d8\u30c3\u30c0\u30fc\u306e\u6271\u3044\u3001\u7a7a\u767d\u306e\u51e6\u7406\u306a\u3069\u3001\u69d8\u3005\u306a\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n<div id=\"sgb-css-id-69\">\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3068\u6ce8\u610f\u70b9<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-70\">\n<p>Apache Commons CSV\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u9762\u3067\u7279\u306b\u6709\u52b9\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:#009EF3;color:#FFF\" class=\"sgb-box-simple__title\">\u6709\u52b9\u306a\u5834\u9762<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:#009EF3;background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-71\">\n<li>\u8907\u96d1\u306a\u69cb\u9020\u3092\u6301\u3064CSV\u30d5\u30a1\u30a4\u30eb\u306e\u51e6\u7406<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-72\">\n<li>\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u52b9\u7387\u7684\u306a\u8aad\u307f\u8fbc\u307f<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-73\">\n<li>\u30ab\u30b9\u30bf\u30e0\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306eCSV\u30d5\u30a1\u30a4\u30eb\u306e\u51e6\u7406<\/li>\n<\/div><\/ul>\n<\/div><\/div>\n\n\n<div id=\"sgb-css-id-74\">\n<p>\u305f\u3060\u3057\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-78\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:#ffb36b;color:#FFF\" class=\"sgb-box-simple__title\">\u6ce8\u610f\u304c\u5fc5\u8981\u306a\u70b9<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:#ffb36b;background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-75\">\n<li>\u5916\u90e8\u30e9\u30a4\u30d6\u30e9\u30ea\u3078\u306e\u4f9d\u5b58\u304c\u5897\u3048\u308b<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-76\">\n<li>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30b5\u30a4\u30ba\u304c\u82e5\u5e72\u5897\u52a0\u3059\u308b<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-77\">\n<li>\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u304c\u5fc5\u8981\u306b\u306a\u308b<\/li>\n<\/div><\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-79\">\n<p>Apache Commons CSV\u306f\u3001\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3088\u308a\u3082\u9ad8\u5ea6\u306aCSV\u51e6\u7406\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3001\u591a\u304f\u306e\u5834\u5408\u3067\u30b3\u30fc\u30c9\u91cf\u3092\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3055\u3089\u306b\u67d4\u8edf\u6027\u304c\u5fc5\u8981\u306a\u5834\u5408\u3084\u3001\u3088\u308a\u591a\u304f\u306e\u6a5f\u80fd\u304c\u6b32\u3057\u3044\u5834\u5408\u306f\u3001\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u7d39\u4ecb\u3059\u308bOpenCSV\u30e9\u30a4\u30d6\u30e9\u30ea\u3082\u691c\u8a0e\u3059\u308b\u4fa1\u5024\u304c\u3042\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-80\">\n<h2 class=\"wp-block-heading\" id=\"i-14\">4. \u30c6\u30af\u30cb\u30c3\u30af3\uff1aOpenCSV\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u305f\u67d4\u8edf\u306a\u8aad\u307f\u8fbc\u307f<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-81\">\n<p>OpenCSV\u306f\u3001Apache Commons CSV\u306b\u7d9a\u3044\u3066\u4eba\u6c17\u306e\u3042\u308bCSV\u51e6\u7406\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002\u7279\u306bJavaBeans\u3078\u306e\u81ea\u52d5\u30de\u30c3\u30d4\u30f3\u30b0\u6a5f\u80fd\u304c\u7279\u5fb4\u7684\u3067\u3001\u3088\u308a\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u6301\u3064CSV\u30d5\u30a1\u30a4\u30eb\u306e\u51e6\u7406\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-82\">\n<h3 class=\"wp-block-heading\" id=\"i-15\">4.1 OpenCSV\u306e\u6a5f\u80fd\u3068 Apache Commons CSV\u3068\u306e\u6bd4\u8f03<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-83\">\n<p>OpenCSV\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7279\u5fb4\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-89\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">OpenCSV\u306e\u7279\u5fb4<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-84\">\n<li>RFC 4180\u6e96\u62e0\u306eCSV\u5f62\u5f0f\u3092\u30b5\u30dd\u30fc\u30c8<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-85\">\n<li>\u30ab\u30b9\u30bf\u30e0CSV\u5f62\u5f0f\u306e\u5b9a\u7fa9\u304c\u53ef\u80fd<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-86\">\n<li>JavaBeans\u3078\u306e\u81ea\u52d5\u30de\u30c3\u30d4\u30f3\u30b0\u6a5f\u80fd<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-87\">\n<li>\u5927\u898f\u6a21\u30d5\u30a1\u30a4\u30eb\u306e\u52b9\u7387\u7684\u306a\u51e6\u7406<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-88\">\n<li>\u5805\u7262\u306a\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u6a5f\u80fd<\/li>\n<\/div><\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-90\">\n<p>Apache Commons CSV\u3068\u6bd4\u8f03\u3059\u308b\u3068\u3001OpenCSV\u306f\u3088\u308a\u591a\u304f\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u3001JavaBeans\u3078\u306e\u81ea\u52d5\u30de\u30c3\u30d4\u30f3\u30b0\u6a5f\u80fd\u304c\u5927\u304d\u306a\u9055\u3044\u3068\u306a\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001Apache Commons CSV\u306fApache\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4e00\u90e8\u3067\u3042\u308b\u305f\u3081\u3001\u3088\u308a\u983b\u7e41\u306b\u66f4\u65b0\u3055\u308c\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-91\">\n<h3 class=\"wp-block-heading\" id=\"i-16\">4.2 CSVReader\u3092\u4f7f\u7528\u3057\u305f\u30b7\u30f3\u30d7\u30eb\u306a\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-92\">\n<p>\u307e\u305a\u3001OpenCSV\u3092\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u5c0e\u5165\u3057\u307e\u3059\u3002Maven\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092<code>pom.xml<\/code>\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;dependency&gt;\n    &lt;groupId&gt;com.opencsv&lt;\/groupId&gt;\n    &lt;artifactId&gt;opencsv&lt;\/artifactId&gt;\n    &lt;version&gt;5.5.2&lt;\/version&gt;\n&lt;\/dependency&gt;<\/pre>\n\n\n<div id=\"sgb-css-id-93\">\n<p>Gradle\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u3092<code>build.gradle<\/code>\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">implementation 'com.opencsv:opencsv:5.5.2'<\/pre>\n\n\n<div id=\"sgb-css-id-94\">\n<p>OpenCSV\u3092\u4f7f\u7528\u3057\u3066CSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u57fa\u672c\u7684\u306a\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import com.opencsv.CSVReader;\nimport com.opencsv.exceptions.CsvException;\n\nimport java.io.FileReader;\nimport java.io.IOException;\nimport java.util.List;\n\npublic class OpenCSVExample {\n    public static void main(String[] args) {\n        String csvFile = \"path\/to\/your\/file.csv\";\n\n        try (CSVReader reader = new CSVReader(new FileReader(csvFile))) {\n            List&lt;String[]&gt; records = reader.readAll();\n            for (String[] record : records) {\n                processRecord(record);\n            }\n        } catch (IOException | CsvException e) {\n            e.printStackTrace();\n        }\n    }\n\n    private static void processRecord(String[] record) {\n        \/\/ \u3053\u3053\u3067\u5404\u30ec\u30b3\u30fc\u30c9\u3092\u51e6\u7406\u3059\u308b\n        System.out.println(String.join(\", \", record));\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-95\">\n<h3 class=\"wp-block-heading\" id=\"i-17\">4.3 Bean\u6a5f\u80fd\u3092\u6d3b\u7528\u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30de\u30c3\u30d4\u30f3\u30b0<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-96\">\n<p>OpenCSV\u306e\u5f37\u307f\u306f\u3001CSV\u30c7\u30fc\u30bf\u3092\u76f4\u63a5JavaBeans\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3067\u304d\u308b\u70b9\u3067\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u305d\u306e\u4f8b\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import com.opencsv.bean.CsvBindByName;\nimport com.opencsv.bean.CsvToBeanBuilder;\n\nimport java.io.FileReader;\nimport java.util.List;\n\npublic class OpenCSVBeanExample {\n    public static class Person {\n        @CsvBindByName\n        private String name;\n\n        @CsvBindByName\n        private int age;\n\n        \/\/ getters and setters\n    }\n\n    public static void main(String[] args) throws Exception {\n        String csvFile = \"path\/to\/your\/file.csv\";\n\n        List&lt;Person&gt; beans = new CsvToBeanBuilder&lt;Person&gt;(new FileReader(csvFile))\n                .withType(Person.class)\n                .build()\n                .parse();\n\n        for (Person person : beans) {\n            System.out.println(person.name + \" is \" + person.age + \" years old\");\n        }\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-97\">\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001<code>@CsvBindByName<\/code>\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066CSV\u306e\u5217\u540d\u3068JavaBeans\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u7d10\u4ed8\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-98\">\n<h3 class=\"wp-block-heading\" id=\"i-18\">OpenCSV\u306e\u5229\u70b9\u3068\u9069\u5207\u306a\u4f7f\u7528\u30b7\u30fc\u30f3<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-99\">\n<p>OpenCSV\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u9762\u3067\u7279\u306b\u6709\u52b9\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:#009EF3;color:#FFF\" class=\"sgb-box-simple__title\">\u6709\u52b9\u306a\u5834\u9762<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:#009EF3;background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-100\">\n<li>\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u6301\u3064CSV\u30d5\u30a1\u30a4\u30eb\u306e\u51e6\u7406<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-101\">\n<li>CSV\u30c7\u30fc\u30bf\u306e\u81ea\u52d5\u7684\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30de\u30c3\u30d4\u30f3\u30b0\u304c\u5fc5\u8981\u306a\u5834\u5408<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-102\">\n<li>\u30ab\u30b9\u30bf\u30e0\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306eCSV\u30d5\u30a1\u30a4\u30eb\u306e\u51e6\u7406<\/li>\n<\/div><\/ul>\n<\/div><\/div>\n\n\n<div id=\"sgb-css-id-103\">\n<p>\u305f\u3060\u3057\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-107\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:#ffb36b;color:#FFF\" class=\"sgb-box-simple__title\">\u6ce8\u610f\u304c\u5fc5\u8981\u306a\u70b9<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:#ffb36b;background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-104\">\n<li>\u5916\u90e8\u30e9\u30a4\u30d6\u30e9\u30ea\u3078\u306e\u4f9d\u5b58\u304c\u5897\u3048\u308b<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-105\">\n<li>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30b5\u30a4\u30ba\u304c\u82e5\u5e72\u5897\u52a0\u3059\u308b<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-106\">\n<li><code>readAll()<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u5927\u91cf\u306e\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/li>\n<\/div><\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-108\">\n<p>OpenCSV\u306f\u3001\u7279\u306b\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u6301\u3064CSV\u30d5\u30a1\u30a4\u30eb\u3092\u6271\u3046\u5834\u5408\u3084\u3001CSV\u30c7\u30fc\u30bf\u3092\u76f4\u63a5\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u305f\u3044\u5834\u5408\u306b\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3068\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u975e\u5e38\u306b\u5927\u898f\u6a21\u306aCSV\u30d5\u30a1\u30a4\u30eb\u3092\u6271\u3046\u5834\u5408\u306f\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5927\u5bb9\u91cfCSV\u30d5\u30a1\u30a4\u30eb\u3092\u52b9\u7387\u7684\u306b\u51e6\u7406\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-109\">\n<h2 class=\"wp-block-heading\" id=\"i-19\">5. \u30c6\u30af\u30cb\u30c3\u30af4\uff1a\u5927\u5bb9\u91cfCSV\u30d5\u30a1\u30a4\u30eb\u306e\u52b9\u7387\u7684\u306a\u51e6\u7406\u65b9\u6cd5<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-110\">\n<p>\u5b9f\u52d9\u3067\u306f\u3001\u6570\u30ae\u30ac\u30d0\u30a4\u30c8\u3084\u6570\u5341\u30ae\u30ac\u30d0\u30a4\u30c8\u306b\u53ca\u3076\u5927\u5bb9\u91cfCSV\u30d5\u30a1\u30a4\u30eb\u3092\u51e6\u7406\u3059\u308b\u5834\u9762\u306b\u906d\u9047\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u6271\u3046\u969b\u306b\u306f\u3001\u30e1\u30e2\u30ea\u4e0d\u8db3\u3001\u51e6\u7406\u6642\u9593\u306e\u5897\u5927\u3001\u30b7\u30b9\u30c6\u30e0\u30ea\u30bd\u30fc\u30b9\u306e\u904e\u5270\u6d88\u8cbb\u3068\u3044\u3063\u305f\u8ab2\u984c\u306b\u76f4\u9762\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u8ab2\u984c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306e3\u3064\u306e\u52b9\u7387\u7684\u306a\u51e6\u7406\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-111\">\n<h3 class=\"wp-block-heading\" id=\"i-20\">5.1 \u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u51e6\u7406\u3092\u6d3b\u7528\u3057\u305f\u7701\u30e1\u30e2\u30ea\u8aad\u307f\u8fbc\u307f<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-112\">\n<p>\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u51e6\u7406\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u5168\u4f53\u3092\u30e1\u30e2\u30ea\u306b\u8aad\u307f\u8fbc\u3080\u3053\u3068\u306a\u304f\u30011\u884c\u305a\u3064\u51e6\u7406\u3092\u884c\u3046\u305f\u3081\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002Java 8\u4ee5\u964d\u306eStream API\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u304b\u3064\u7c21\u6f54\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import java.nio.file.Files;\nimport java.nio.file.Paths;\nimport java.io.IOException;\n\npublic class StreamingCSVProcessor {\n    public static void main(String[] args) {\n        String csvFile = \"path\/to\/large\/file.csv\";\n\n        try {\n            Files.lines(Paths.get(csvFile))\n                 .skip(1) \/\/ \u30d8\u30c3\u30c0\u30fc\u3092\u30b9\u30ad\u30c3\u30d7\n                 .map(line -&gt; line.split(\",\"))\n                 .forEach(StreamingCSVProcessor::processRecord);\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n\n    private static void processRecord(String[] record) {\n        \/\/ \u3053\u3053\u3067\u5404\u30ec\u30b3\u30fc\u30c9\u3092\u51e6\u7406\n        System.out.println(String.join(\", \", record));\n    }\n}<\/pre>\n\n\n\n<p>\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u30e1\u30e2\u30ea\u52b9\u7387\u304c\u9ad8\u304f\u3001\u5358\u7d14\u306a\u51e6\u7406\u306b\u306f\u9069\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u4e26\u5217\u51e6\u7406\u304c\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u51e6\u7406\u901f\u5ea6\u306b\u5236\u9650\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n<div id=\"sgb-css-id-113\">\n<h3 class=\"wp-block-heading\" id=\"i-21\">5.2 \u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u305f\u4e26\u5217\u51e6\u7406\u306e\u5b9f\u88c5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-114\">\n<p>\u5927\u5bb9\u91cf\u30d5\u30a1\u30a4\u30eb\u306e\u51e6\u7406\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u306b\u306f\u3001\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u3092\u6d3b\u7528\u3057\u305f\u4e26\u5217\u51e6\u7406\u304c\u52b9\u679c\u7684\u3067\u3059\u3002Java \u306e\u4e26\u884c\u51e6\u7406 API \u3092\u4f7f\u7528\u3057\u3066\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u8907\u6570\u306e\u90e8\u5206\u306b\u5206\u5272\u3057\u3001\u305d\u308c\u305e\u308c\u3092\u5225\u3005\u306e\u30b9\u30ec\u30c3\u30c9\u3067\u51e6\u7406\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import java.nio.file.Files;\nimport java.nio.file.Paths;\nimport java.util.concurrent.ExecutorService;\nimport java.util.concurrent.Executors;\nimport java.util.stream.Stream;\n\npublic class MultithreadedCSVProcessor {\n    private static final int THREAD_POOL_SIZE = Runtime.getRuntime().availableProcessors();\n\n    public static void main(String[] args) {\n        String csvFile = \"path\/to\/large\/file.csv\";\n        ExecutorService executor = Executors.newFixedThreadPool(THREAD_POOL_SIZE);\n\n        try (Stream&lt;String&gt; lines = Files.lines(Paths.get(csvFile))) {\n            lines.skip(1) \/\/ \u30d8\u30c3\u30c0\u30fc\u3092\u30b9\u30ad\u30c3\u30d7\n                 .forEach(line -&gt; executor.submit(() -&gt; processRecord(line.split(\",\"))));\n        } catch (Exception e) {\n            e.printStackTrace();\n        } finally {\n            executor.shutdown();\n        }\n    }\n\n    private static void processRecord(String[] record) {\n        \/\/ \u3053\u3053\u3067\u5404\u30ec\u30b3\u30fc\u30c9\u3092\u51e6\u7406\n        System.out.println(Thread.currentThread().getName() + \": \" + String.join(\", \", record));\n    }\n}<\/pre>\n\n\n\n<p>\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u51e6\u7406\u901f\u5ea6\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u307e\u3059\u304c\u3001\u5b9f\u88c5\u304c\u3084\u3084\u8907\u96d1\u306b\u306a\u308a\u3001\u30b9\u30ec\u30c3\u30c9\u9593\u306e\u8abf\u6574\u3084\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n<div id=\"sgb-css-id-115\">\n<h3 class=\"wp-block-heading\" id=\"i-22\">5.3 \u30e1\u30e2\u30ea\u30de\u30c3\u30d4\u30f3\u30b0\u30d5\u30a1\u30a4\u30eb\u306b\u3088\u308b\u9ad8\u901f\u8aad\u307f\u8fbc\u307f<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-116\">\n<p>\u975e\u5e38\u306b\u5927\u304d\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u9ad8\u901f\u306b\u8aad\u307f\u8fbc\u3080\u306b\u306f\u3001\u30e1\u30e2\u30ea\u30de\u30c3\u30d4\u30f3\u30b0\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u3067\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092\u76f4\u63a5\u30e1\u30e2\u30ea\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b\u305f\u3081\u3001\u30c7\u30a3\u30b9\u30afI\/O\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import java.io.RandomAccessFile;\nimport java.nio.MappedByteBuffer;\nimport java.nio.channels.FileChannel;\nimport java.nio.charset.StandardCharsets;\n\npublic class MemoryMappedCSVProcessor {\n    public static void main(String[] args) {\n        String csvFile = \"path\/to\/large\/file.csv\";\n\n        try (RandomAccessFile file = new RandomAccessFile(csvFile, \"r\");\n             FileChannel channel = file.getChannel()) {\n\n            long fileSize = channel.size();\n            MappedByteBuffer buffer = channel.map(FileChannel.MapMode.READ_ONLY, 0, fileSize);\n\n            StringBuilder line = new StringBuilder();\n            while (buffer.hasRemaining()) {\n                char c = (char) buffer.get();\n                if (c == '\\n') {\n                    processRecord(line.toString().split(\",\"));\n                    line.setLength(0);\n                } else {\n                    line.append(c);\n                }\n            }\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n\n    private static void processRecord(String[] record) {\n        \/\/ \u3053\u3053\u3067\u5404\u30ec\u30b3\u30fc\u30c9\u3092\u51e6\u7406\n        System.out.println(String.join(\", \", record));\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-117\">\n<p>\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u975e\u5e38\u306b\u9ad8\u901f\u3067\u3059\u304c\u300132\u30d3\u30c3\u30c8Java\u306e\u5834\u5408\u30012GB\u4ee5\u4e0a\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u6271\u3048\u306a\u3044\u3068\u3044\u3046\u5236\u9650\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30d5\u30a1\u30a4\u30eb\u5168\u4f53\u3092\u30e1\u30e2\u30ea\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b\u305f\u3081\u3001\u975e\u5e38\u306b\u5927\u304d\u306a\u30d5\u30a1\u30a4\u30eb\u306e\u5834\u5408\u306f\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-118\">\n<h3 class=\"wp-block-heading\" id=\"i-23\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30dd\u30a4\u30f3\u30c8<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-119\">\n<p>\u5927\u5bb9\u91cfCSV\u30d5\u30a1\u30a4\u30eb\u3092\u51e6\u7406\u3059\u308b\u969b\u306f\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u3057\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-123\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u6ce8\u610f\u70b9<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ol class=\"wp-block-list\"><div id=\"sgb-css-id-120\">\n<li>\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba\u306e\u9069\u5207\u306a\u8a2d\u5b9a\uff1aI\/O\u64cd\u4f5c\u306e\u56de\u6570\u3092\u6e1b\u3089\u3059\u305f\u3081\u3001\u9069\u5207\u306a\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba\u3092\u8a2d\u5b9a\u3059\u308b\u3002<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-121\">\n<li>\u4e0d\u8981\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u751f\u6210\u306e\u56de\u907f\uff1a\u30eb\u30fc\u30d7\u5185\u3067\u306e\u4e0d\u5fc5\u8981\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u751f\u6210\u3092\u907f\u3051\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u518d\u5229\u7528\u3092\u691c\u8a0e\u3059\u308b\u3002<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-122\">\n<li>\u30ac\u30d9\u30fc\u30b8\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u6700\u9069\u5316\uff1a\u5927\u91cf\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3059\u308b\u51e6\u7406\u3067\u306f\u3001GC\u306e\u6319\u52d5\u306b\u6ce8\u610f\u3092\u6255\u3044\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066GC\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8abf\u6574\u3059\u308b\u3002<\/li>\n<\/div><\/ol>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-124\">\n<h3 class=\"wp-block-heading\" id=\"i-24\">\u5b9f\u969b\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-125\">\n<p>\u3053\u308c\u3089\u306e\u624b\u6cd5\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b7\u30fc\u30f3\u3067\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-129\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:#009EF3;color:#FFF\" class=\"sgb-box-simple__title\">\u6709\u52b9\u306a\u5834\u9762<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:#009EF3;background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-126\">\n<li>\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u5206\u6790\u306e\u305f\u3081\u306e\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u51e6\u7406<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-127\">\n<li>\u5927\u898f\u6a21\u306a\u79d1\u5b66\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u89e3\u6790<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-128\">\n<li>\u91d1\u878d\u53d6\u5f15\u30c7\u30fc\u30bf\u306e\u30d0\u30c3\u30c1\u51e6\u7406<\/li>\n<\/div><\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-130\">\n<p>\u3069\u306e\u624b\u6cd5\u3092\u9078\u629e\u3059\u308b\u304b\u306f\u3001\u30c7\u30fc\u30bf\u30b5\u30a4\u30ba\u3001\u51e6\u7406\u306e\u8907\u96d1\u3055\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30ea\u30bd\u30fc\u30b9\u5236\u7d04\u306a\u3069\u3092\u8003\u616e\u3057\u3066\u5224\u65ad\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3084\u51e6\u7406\u306e\u4e2d\u65ad\u30fb\u518d\u958b\u3078\u306e\u5bfe\u5fdc\u3082\u91cd\u8981\u306a\u691c\u8a0e\u4e8b\u9805\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-131\">\n<p>\u5927\u5bb9\u91cfCSV\u30d5\u30a1\u30a4\u30eb\u306e\u52b9\u7387\u7684\u306a\u51e6\u7406\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u5b89\u5b9a\u6027\u306b\u76f4\u7d50\u3059\u308b\u91cd\u8981\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3067\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u51e6\u7406\u3092\u3055\u3089\u306b\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306e\u5177\u4f53\u7684\u306a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-132\">\n<h2 class=\"wp-block-heading\" id=\"i-25\">6. \u30c6\u30af\u30cb\u30c3\u30af5\uff1aCSV\u8aad\u307f\u8fbc\u307f\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-133\">\n<p>CSV\u8aad\u307f\u8fbc\u307f\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306f\u3001\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u51e6\u7406\u306b\u304a\u3044\u3066\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\u9069\u5207\u306a\u6700\u9069\u5316\u306b\u3088\u308a\u3001\u51e6\u7406\u6642\u9593\u306e\u77ed\u7e2e\u3001\u30b7\u30b9\u30c6\u30e0\u30ea\u30bd\u30fc\u30b9\u306e\u52b9\u7387\u7684\u306a\u5229\u7528\u3001\u305d\u3057\u3066\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306e\u5411\u4e0a\u304c\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001CSV\u8aad\u307f\u8fbc\u307f\u3092\u9ad8\u901f\u5316\u3059\u308b\u305f\u3081\u306e3\u3064\u306e\u4e3b\u8981\u306a\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-134\">\n<h3 class=\"wp-block-heading\" id=\"i-26\">6.1 \u30d0\u30c3\u30d5\u30a1\u30ea\u30f3\u30b0\u3068\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\u306e\u9069\u5207\u306a\u4f7f\u7528\u65b9\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-135\">\n<p>\u30d0\u30c3\u30d5\u30a1\u30ea\u30f3\u30b0\u3068\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\u306f\u3001I\/O\u64cd\u4f5c\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u3092\u52b9\u7387\u5316\u3059\u308b\u91cd\u8981\u306a\u624b\u6cd5\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-136\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">1. <strong>BufferedReader\u306e\u6700\u9069\u5316<\/strong><\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<p>BufferedReader\u306e\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30a3\u30b9\u30afI\/O\u306e\u56de\u6570\u3092\u6e1b\u3089\u3057\u3001\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   try (BufferedReader br = new BufferedReader(new FileReader(csvFile), 8192)) {\n       \/\/ 8KB\u306e\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba\u3092\u6307\u5b9a\n       \/\/ \u51e6\u7406\u30ed\u30b8\u30c3\u30af\n   }<\/pre>\n\n\n<div id=\"sgb-css-id-137\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">2. <strong>\u30ab\u30b9\u30bf\u30e0\u30d0\u30c3\u30d5\u30a1\u306e\u5b9f\u88c5<\/strong><\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<p>\u5927\u898f\u6a21\u306aCSV\u30d5\u30a1\u30a4\u30eb\u3092\u51e6\u7406\u3059\u308b\u5834\u5408\u3001\u30ab\u30b9\u30bf\u30e0\u30d0\u30c3\u30d5\u30a1\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u3055\u3089\u306a\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u304c\u898b\u8fbc\u3081\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   public class FastCSVReader {\n       private static final int BUFFER_SIZE = 1024 * 1024; \/\/ 1MB\n       private final byte[] buffer = new byte[BUFFER_SIZE];\n       private int pos = 0;\n       private int limit = 0;\n       private final InputStream in;\n\n       public FastCSVReader(InputStream in) {\n           this.in = in;\n       }\n\n       public String readLine() throws IOException {\n           StringBuilder sb = new StringBuilder();\n           while (true) {\n               if (pos &gt;= limit) {\n                   limit = in.read(buffer);\n                   pos = 0;\n                   if (limit == -1) {\n                       return sb.length() &gt; 0 ? sb.toString() : null;\n                   }\n               }\n               byte b = buffer[pos++];\n               if (b == '\\n') {\n                   return sb.toString();\n               }\n               sb.append((char) b);\n           }\n       }\n   }<\/pre>\n\n\n<div id=\"sgb-css-id-138\">\n<h3 class=\"wp-block-heading\" id=\"i-27\">6.2 \u6b63\u898f\u8868\u73fe\u306e\u6700\u9069\u5316\u306b\u3088\u308b\u30d1\u30fc\u30b9\u51e6\u7406\u306e\u9ad8\u901f\u5316<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-139\">\n<p>CSV\u30d1\u30fc\u30b9\u51e6\u7406\u306b\u304a\u3051\u308b\u6b63\u898f\u8868\u73fe\u306e\u4f7f\u7528\u306f\u3001\u3057\u3070\u3057\u3070\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b\u306a\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u65b9\u6cd5\u3067\u6700\u9069\u5316\u3092\u56f3\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-140\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">1. <strong>\u8907\u96d1\u306a\u6b63\u898f\u8868\u73fe\u306e\u56de\u907f<\/strong><\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<p>\u53ef\u80fd\u306a\u9650\u308a\u5358\u7d14\u306a\u6587\u5b57\u5217\u64cd\u4f5c\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   \/\/ \u9045\u3044\u65b9\u6cd5\n   String[] values = line.split(\",(?=([^\\\"]*\\\"[^\\\"]*\\\")*[^\\\"]*$)\");\n\n   \/\/ \u901f\u3044\u65b9\u6cd5\n   String[] values = line.split(\",\");<\/pre>\n\n\n<div id=\"sgb-css-id-141\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">2. <strong>\u30b3\u30f3\u30d1\u30a4\u30eb\u6e08\u307f\u6b63\u898f\u8868\u73fe\u306e\u4f7f\u7528<\/strong><\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<p>\u6b63\u898f\u8868\u73fe\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u30d1\u30bf\u30fc\u30f3\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u518d\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   private static final Pattern CSV_PATTERN = Pattern.compile(\",(?=([^\\\"]*\\\"[^\\\"]*\\\")*[^\\\"]*$)\");\n\n   public static String[] parseLine(String line) {\n       return CSV_PATTERN.split(line);\n   }<\/pre>\n\n\n<div id=\"sgb-css-id-142\">\n<h3 class=\"wp-block-heading\" id=\"i-28\">6.3 JVM\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306b\u3088\u308bCSV\u51e6\u7406\u306e\u52b9\u7387\u5316<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-143\">\n<p>JVM\u306e\u9069\u5207\u306a\u8a2d\u5b9a\u306b\u3088\u308a\u3001CSV\u51e6\u7406\u5168\u4f53\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-148\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">1. <strong>\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u306e\u6700\u9069\u5316<\/strong><\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\"><div id=\"sgb-css-id-144\">\n<p>Java\u3067\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u5b9f\u884c\u6642\u306b\u751f\u6210\u3055\u308c\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u305f\u3081\u306e\u30e1\u30e2\u30ea\u9818\u57df\u3092\u300c\u30d2\u30fc\u30d7\u9818\u57df\u300d\u3068\u547c\u3073\u3001\u305d\u306e\u9818\u57df\u306e\u5927\u304d\u3055\u3092\u300c\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u300d\u3068\u547c\u3093\u3067\u3044\u307e\u3059\u304c\u3001\u305d\u306e\u30b5\u30a4\u30ba\u306e\u8a2d\u5b9a\u5024\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-145\">\n[\u8a2d\u5b9a]\n<\/div>\n\n<div id=\"sgb-css-id-146\">\n<p>Xms\uff1a\u521d\u671f\u30b5\u30a4\u30ba<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-147\">\n<p>Xmx\uff1a\u6700\u5927\u30b5\u30a4\u30ba<\/p>\n<\/div><\/div><\/div>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   java -Xms4g -Xmx8g YourCSVProcessor<\/pre>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">2. <strong>JIT\u6700\u9069\u5316\u306e\u6d3b\u7528<\/strong><\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<p>\u9577\u6642\u9593\u5b9f\u884c\u3055\u308c\u308bCSV\u51e6\u7406\u30b8\u30e7\u30d6\u3067\u306f\u3001JIT\u30b3\u30f3\u30d1\u30a4\u30e9\u304c\u6700\u9069\u5316\u3092\u884c\u3046\u6642\u9593\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u3067\u3001\u5168\u4f53\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n\n\n<div id=\"sgb-css-id-149\">\n<p>\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001CSV\u306e\u8aad\u307f\u8fbc\u307f\u51e6\u7406\u6642\u9593\u3092\u6700\u592750%\u524a\u6e1b\u3057\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u309230%\u7a0b\u5ea6\u524a\u6e1b\u3067\u304d\u305f\u4e8b\u4f8b\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u3042\u308b\u91d1\u878d\u30c7\u30fc\u30bf\u5206\u6790\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u306b\u3088\u308a\u5927\u91cf\u306e\u53d6\u5f15\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u6642\u9593\u309275%\u524a\u6e1b\u3059\u308b\u3053\u3068\u306b\u6210\u529f\u3057\u307e\u3057\u305f\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-150\">\n<p>\u305f\u3060\u3057\u3001\u6700\u9069\u5316\u306b\u306f\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u304c\u3042\u308b\u3053\u3068\u3092\u5fd8\u308c\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002\u904e\u5ea6\u306e\u6700\u9069\u5316\u306f\u30b3\u30fc\u30c9\u306e\u8907\u96d1\u6027\u3092\u5897\u3057\u3001\u4fdd\u5b88\u6027\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u7279\u5b9a\u306e\u74b0\u5883\u3067\u52b9\u679c\u7684\u306a\u6700\u9069\u5316\u304c\u3001\u5225\u306e\u74b0\u5883\u3067\u306f\u9006\u52b9\u679c\u306b\u306a\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u5e38\u306b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u3092\u884c\u3044\u3001\u5b9f\u969b\u306e\u904b\u7528\u74b0\u5883\u3067\u306e\u52b9\u679c\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-151\">\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u9ad8\u901f\u5316\u3055\u308c\u305fCSV\u51e6\u7406\u306b\u304a\u3051\u308b\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3068\u30c7\u30fc\u30bf\u691c\u8a3c\u306e\u91cd\u8981\u6027\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u4fe1\u983c\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u3053\u3068\u304c\u3001\u5b9f\u7528\u7684\u306aCSV\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u7bc9\u306b\u306f\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-152\">\n<h2 class=\"wp-block-heading\" id=\"i-29\">7. \u30c6\u30af\u30cb\u30c3\u30af6\uff1a\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3068\u30c7\u30fc\u30bf\u691c\u8a3c\u306e\u5b9f\u88c5<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-153\">\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f\u3068\u51e6\u7406\u306b\u304a\u3044\u3066\u3001\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3068\u30c7\u30fc\u30bf\u691c\u8a3c\u306f\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u78ba\u4fdd\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5b9a\u6027\u5411\u4e0a\u3001\u305d\u3057\u3066\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u306e\u6b63\u78ba\u306a\u5b9f\u884c\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u9069\u5207\u306a\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3068\u30c7\u30fc\u30bf\u691c\u8a3c\u306e\u5b9f\u88c5\u306b\u3088\u308a\u3001\u30a8\u30e9\u30fc\u7387\u309290%\u524a\u6e1b\u3057\u3001\u30c7\u30fc\u30bf\u54c1\u8cea\u309230%\u5411\u4e0a\u3055\u305b\u305f\u4e8b\u4f8b\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-154\">\n<h3 class=\"wp-block-heading\" id=\"i-30\">7.1 \u4f8b\u5916\u51e6\u7406\u3092\u6d3b\u7528\u3057\u305f\u5805\u7262\u306aCSV\u8aad\u307f\u8fbc\u307f\u306e\u5b9f\u73fe<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-155\">\n<p>Java \u3067\u306e\u5805\u7262\u306aCSV\u8aad\u307f\u8fbc\u307f\u306b\u306f\u3001\u9069\u5207\u306a\u4f8b\u5916\u51e6\u7406\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u4e3b\u8981\u306a\u4f8b\u5916\u51e6\u7406\u3068\u305d\u306e\u5b9f\u88c5\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class RobustCSVReader {\n    public static void readCSV(String filePath) {\n        try (BufferedReader br = new BufferedReader(new FileReader(filePath))) {\n            String line;\n            while ((line = br.readLine()) != null) {\n                try {\n                    processLine(line);\n                } catch (InvalidDataException e) {\n                    logError(\"\u30c7\u30fc\u30bf\u51e6\u7406\u30a8\u30e9\u30fc\", e);\n                    \/\/ \u30a8\u30e9\u30fc\u884c\u306e\u30b9\u30ad\u30c3\u30d7\u307e\u305f\u306f\u4ee3\u66ff\u51e6\u7406\n                }\n            }\n        } catch (FileNotFoundException e) {\n            logError(\"\u30d5\u30a1\u30a4\u30eb\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\", e);\n        } catch (IOException e) {\n            logError(\"\u30d5\u30a1\u30a4\u30eb\u8aad\u307f\u8fbc\u307f\u30a8\u30e9\u30fc\", e);\n        }\n    }\n\n    private static void processLine(String line) throws InvalidDataException {\n        \/\/ \u3053\u3053\u3067\u30e9\u30a4\u30f3\u306e\u51e6\u7406\u3068\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3092\u884c\u3046\n    }\n\n    private static void logError(String message, Exception e) {\n        \/\/ \u30a8\u30e9\u30fc\u30ed\u30b0\u306e\u8a18\u9332\n        System.err.println(message + \": \" + e.getMessage());\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-156\">\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001<code>try-with-resources<\/code>\u6587\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30bd\u30fc\u30b9\u306e\u9069\u5207\u306a\u89e3\u653e\u3092\u4fdd\u8a3c\u3057\u3001\u30d5\u30a1\u30a4\u30eb\u95a2\u9023\u306e\u4f8b\u5916\u3068\u500b\u3005\u306e\u884c\u306e\u51e6\u7406\u306b\u95a2\u3059\u308b\u4f8b\u5916\u3092\u5206\u96e2\u3057\u3066\u6271\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-157\">\n<h3 class=\"wp-block-heading\" id=\"i-31\">7.2 \u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30ed\u30b8\u30c3\u30af\u306e\u5b9f\u88c5\u3068\u30a8\u30e9\u30fc\u5831\u544a<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-158\">\n<p>\u30c7\u30fc\u30bf\u691c\u8a3c\u306f\u3001CSV\u306e\u5404\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u5bfe\u3057\u3066\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u7c21\u5358\u306a\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30ed\u30b8\u30c3\u30af\u306e\u4f8b\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class DataValidator {\n    public static void validateRecord(String[] fields) throws InvalidDataException {\n        if (fields.length != 4) {\n            throw new InvalidDataException(\"\u30d5\u30a3\u30fc\u30eb\u30c9\u6570\u304c\u4e0d\u6b63\u3067\u3059\");\n        }\n        validateName(fields[0]);\n        validateAge(fields[1]);\n        validateEmail(fields[2]);\n        validateDate(fields[3]);\n    }\n\n    private static void validateName(String name) throws InvalidDataException {\n        if (name == null || name.trim().isEmpty()) {\n            throw new InvalidDataException(\"\u540d\u524d\u306f\u5fc5\u9808\u3067\u3059\");\n        }\n    }\n\n    private static void validateAge(String age) throws InvalidDataException {\n        try {\n            int ageValue = Integer.parseInt(age);\n            if (ageValue &lt; 0 || ageValue &gt; 150) {\n                throw new InvalidDataException(\"\u5e74\u9f62\u304c\u7bc4\u56f2\u5916\u3067\u3059\");\n            }\n        } catch (NumberFormatException e) {\n            throw new InvalidDataException(\"\u5e74\u9f62\u306f\u6570\u5024\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n    }\n\n    \/\/ validateEmail \u3068 validateDate \u30e1\u30bd\u30c3\u30c9\u3082\u540c\u69d8\u306b\u5b9f\u88c5\n}<\/pre>\n\n\n<div id=\"sgb-css-id-159\">\n<p>\u3053\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30ed\u30b8\u30c3\u30af\u306f\u3001\u30c7\u30fc\u30bf\u578b\u3001\u5fc5\u9808\u30d5\u30a3\u30fc\u30eb\u30c9\u3001\u30c7\u30fc\u30bf\u7bc4\u56f2\u3001\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306a\u3069\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-160\">\n<h3 class=\"wp-block-heading\" id=\"i-32\">7.3 \u4e0d\u6b63\u306a\u30c7\u30fc\u30bf\u306e\u81ea\u52d5\u4fee\u6b63\u3068\u4ee3\u66ff\u5024\u306e\u8a2d\u5b9a<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-161\">\n<p>\u30c7\u30fc\u30bf\u306e\u81ea\u52d5\u4fee\u6b63\u306f\u614e\u91cd\u306b\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u9069\u5207\u306b\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u591a\u304f\u306e\u554f\u984c\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class DataCleaner {\n    public static String[] cleanRecord(String[] fields) {\n        String[] cleanedFields = new String[fields.length];\n        for (int i = 0; i &lt; fields.length; i++) {\n            cleanedFields[i] = cleanField(fields[i]);\n        }\n        return cleanedFields;\n    }\n\n    private static String cleanField(String field) {\n        if (field == null) {\n            return \"\";  \/\/ null \u3092\u7a7a\u6587\u5b57\u5217\u306b\u5909\u63db\n        }\n        return field.trim();  \/\/ \u524d\u5f8c\u306e\u7a7a\u767d\u3092\u524a\u9664\n    }\n\n    \/\/ \u4ed6\u306e\u81ea\u52d5\u4fee\u6b63\u30ed\u30b8\u30c3\u30af\u3092\u3053\u3053\u306b\u8ffd\u52a0\n}<\/pre>\n\n\n<div id=\"sgb-css-id-162\">\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001null\u3092\u7a7a\u6587\u5b57\u5217\u306b\u5909\u63db\u3057\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u524d\u5f8c\u306e\u7a7a\u767d\u3092\u524a\u9664\u3057\u3066\u3044\u307e\u3059\u3002\u3088\u308a\u9ad8\u5ea6\u306a\u81ea\u52d5\u4fee\u6b63\uff08\u4f8b\uff1a\u65e5\u4ed8\u5f62\u5f0f\u306e\u6a19\u6e96\u5316\u3001\u7279\u6b8a\u6587\u5b57\u306e\u7f6e\u63db\u306a\u3069\uff09\u3082\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-163\">\n<h3 class=\"wp-block-heading\" id=\"i-33\">\u30a8\u30e9\u30fc\u30ed\u30b0\u306e\u91cd\u8981\u6027\u3068\u52b9\u679c\u7684\u306a\u30ed\u30b0\u8a18\u9332<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-164\">\n<p>\u9069\u5207\u306a\u30a8\u30e9\u30fc\u30ed\u30b0\u306f\u3001\u554f\u984c\u306e\u8fc5\u901f\u306a\u7279\u5b9a\u3068\u89e3\u6c7a\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u69cb\u9020\u5316\u30ed\u30b0\u3092\u4f7f\u7528\u3057\u3001\u9069\u5207\u306a\u30ed\u30b0\u30ec\u30d9\u30eb\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u52b9\u679c\u7684\u306a\u30ed\u30b0\u8a18\u9332\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\npublic class CSVProcessor {\n    private static final Logger logger = LoggerFactory.getLogger(CSVProcessor.class);\n\n    public void processCSV(String filePath) {\n        logger.info(\"CSV\u51e6\u7406\u958b\u59cb: {}\", filePath);\n        try {\n            \/\/ CSV\u51e6\u7406\u30ed\u30b8\u30c3\u30af\n        } catch (Exception e) {\n            logger.error(\"CSV\u51e6\u7406\u4e2d\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\", e);\n        }\n        logger.info(\"CSV\u51e6\u7406\u5b8c\u4e86: {}\", filePath);\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-165\">\n<p>\u3053\u306e\u3088\u3046\u306a\u30ed\u30b0\u8a18\u9332\u306b\u3088\u308a\u3001\u51e6\u7406\u306e\u8ffd\u8de1\u304c\u5bb9\u6613\u306b\u306a\u308a\u3001\u554f\u984c\u306e\u8fc5\u901f\u306a\u7279\u5b9a\u3068\u89e3\u6c7a\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-166\">\n<p>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3068\u30c7\u30fc\u30bf\u691c\u8a3c\u306f\u3001CSV\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u4fe1\u983c\u6027\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u307e\u3059\u304c\u3001\u540c\u6642\u306b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\u3082\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u51e6\u7406\u3084\u30a8\u30e9\u30fc\u30ed\u30b0\u8a18\u9332\u306b\u3088\u308b\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u305f\u3081\u3001\u9069\u5207\u306a\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u306e\u9069\u7528\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-167\">\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u5805\u7262\u306a\u51e6\u7406\u306b\u52a0\u3048\u3066\u3001\u30bb\u30ad\u30e5\u30a2\u306aCSV\u8aad\u307f\u8fbc\u307f\u306e\u5b9f\u73fe\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u306e\u4fe1\u983c\u6027\u3068\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5168\u6027\u3092\u4e21\u7acb\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u5f37\u56fa\u306aCSV\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-168\">\n<h2 class=\"wp-block-heading\" id=\"i-34\">8. \u30c6\u30af\u30cb\u30c3\u30af7\uff1a\u30bb\u30ad\u30e5\u30a2\u306aCSV\u8aad\u307f\u8fbc\u307f\u306e\u5b9f\u73fe<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-169\">\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f\u306b\u304a\u3044\u3066\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u975e\u5e38\u306b\u91cd\u8981\u306a\u5074\u9762\u3067\u3059\u3002\u9069\u5207\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u306e\u6a5f\u5bc6\u6027\u4fdd\u8b77\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u5b8c\u5168\u6027\u78ba\u4fdd\u3001\u305d\u3057\u3066\u6cd5\u4ee4\u9075\u5b88\u3068\u30ea\u30b9\u30af\u7ba1\u7406\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u672c\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30bb\u30ad\u30e5\u30a2\u306aCSV\u8aad\u307f\u8fbc\u307f\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u4e3b\u8981\u306a\u6280\u8853\u3068\u5bfe\u7b56\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-170\">\n<h3 class=\"wp-block-heading\" id=\"i-35\">8.1 CSV\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u653b\u6483\u306e\u7406\u89e3\u3068\u5bfe\u7b56<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-171\">\n<p>CSV\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u653b\u6483\u306f\u3001\u60aa\u610f\u306e\u3042\u308b\u30c7\u30fc\u30bf\u3092CSV\u30d5\u30a1\u30a4\u30eb\u306b\u633f\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u8106\u5f31\u6027\u3092\u7a81\u304f\u653b\u6483\u624b\u6cd5\u3067\u3059\u3002\u3053\u306e\u653b\u6483\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u5bfe\u7b56\u304c\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-172\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">1. <strong>\u7279\u6b8a\u6587\u5b57\u306e\u30a8\u30b9\u30b1\u30fc\u30d7\u51e6\u7406<\/strong><\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u5185\u306e\u7279\u6b8a\u6587\u5b57\uff08\u30ab\u30f3\u30de\u3001\u6539\u884c\u3001\u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c8\u306a\u3069\uff09\u3092\u9069\u5207\u306b\u30a8\u30b9\u30b1\u30fc\u30d7\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<\/div><\/div>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class CSVSanitizer {\n    public static String sanitizeField(String field) {\n        if (field == null) {\n            return \"\";\n        }\n        if (field.contains(\"\\\"\") || field.contains(\",\") || field.contains(\"\\n\")) {\n            return \"\\\"\" + field.replace(\"\\\"\", \"\\\"\\\"\") + \"\\\"\";\n        }\n        return field;\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-173\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">2. <strong>\u30c7\u30fc\u30bf\u578b\u306e\u53b3\u5bc6\u306a\u691c\u8a3c<\/strong><\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<p>\u671f\u5f85\u3055\u308c\u308b\u30c7\u30fc\u30bf\u578b\u3068\u4e00\u81f4\u3057\u306a\u3044\u30c7\u30fc\u30bf\u3092\u62d2\u5426\u3059\u308b\u3053\u3068\u3067\u3001\u4e0d\u6b63\u306a\u30c7\u30fc\u30bf\u306e\u633f\u5165\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class DataTypeValidator {\n    public static boolean isValidInteger(String value) {\n        try {\n            Integer.parseInt(value);\n            return true;\n        } catch (NumberFormatException e) {\n            return false;\n        }\n    }\n\n    \/\/ \u4ed6\u306e\u30c7\u30fc\u30bf\u578b\u306b\u3064\u3044\u3066\u3082\u540c\u69d8\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\n}<\/pre>\n\n\n<div id=\"sgb-css-id-174\">\n<h3 class=\"wp-block-heading\" id=\"i-36\">8.2 \u6a5f\u5bc6\u60c5\u5831\u3092\u542b\u3080CSV\u306e\u5b89\u5168\u306a\u51e6\u7406\u65b9\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-175\">\n<p>\u6a5f\u5bc6\u60c5\u5831\u3092\u542b\u3080CSV\u30d5\u30a1\u30a4\u30eb\u3092\u51e6\u7406\u3059\u308b\u969b\u306f\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">1. <strong>\u6697\u53f7\u5316\u6280\u8853\u306e\u6d3b\u7528<\/strong><\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<p>\u30d5\u30a1\u30a4\u30eb\u81ea\u4f53\u3092\u6697\u53f7\u5316\u3057\u3066\u4fdd\u5b58\u3057\u3001\u8aad\u307f\u8fbc\u307f\u6642\u306b\u5fa9\u53f7\u5316\u3057\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import javax.crypto.Cipher;\nimport javax.crypto.spec.SecretKeySpec;\nimport java.util.Base64;\n\npublic class CSVEncryptor {\n    private static final String ALGORITHM = \"AES\";\n    private static final String KEY = \"YourSecretKey123\"; \/\/ \u5b9f\u969b\u306e\u4f7f\u7528\u6642\u306f\u5b89\u5168\u306a\u65b9\u6cd5\u3067\u7ba1\u7406\u3057\u3066\u304f\u3060\u3055\u3044\n\n    public static String encrypt(String value) throws Exception {\n        SecretKeySpec key = new SecretKeySpec(KEY.getBytes(), ALGORITHM);\n        Cipher cipher = Cipher.getInstance(ALGORITHM);\n        cipher.init(Cipher.ENCRYPT_MODE, key);\n        byte[] encryptedValue = cipher.doFinal(value.getBytes());\n        return Base64.getEncoder().encodeToString(encryptedValue);\n    }\n\n    public static String decrypt(String encryptedValue) throws Exception {\n        SecretKeySpec key = new SecretKeySpec(KEY.getBytes(), ALGORITHM);\n        Cipher cipher = Cipher.getInstance(ALGORITHM);\n        cipher.init(Cipher.DECRYPT_MODE, key);\n        byte[] decodedValue = Base64.getDecoder().decode(encryptedValue);\n        byte[] decryptedValue = cipher.doFinal(decodedValue);\n        return new String(decryptedValue);\n    }\n}<\/pre>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">2. <strong>\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306e\u5b9f\u88c5<\/strong><\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<p>\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5fc5\u8981\u6700\u5c0f\u9650\u306b\u5236\u9650\u3057\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n\n\n<div id=\"sgb-css-id-176\">\n<h3 class=\"wp-block-heading\" id=\"i-37\">8.3 \u5165\u529b\u30b5\u30cb\u30bf\u30a4\u30ba\u3068\u30a8\u30b9\u30b1\u30fc\u30d7\u51e6\u7406\u306e\u5b9f\u88c5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-177\">\n<p>\u5165\u529b\u30c7\u30fc\u30bf\u306e\u30b5\u30cb\u30bf\u30a4\u30ba\u3068\u30a8\u30b9\u30b1\u30fc\u30d7\u51e6\u7406\u306f\u3001\u30bb\u30ad\u30e5\u30a2\u306aCSV\u51e6\u7406\u306e\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import org.apache.commons.text.StringEscapeUtils;\n\npublic class InputSanitizer {\n    public static String sanitize(String input) {\n        if (input == null) {\n            return \"\";\n        }\n        \/\/ HTML\u30a8\u30b9\u30b1\u30fc\u30d7\u3001CSV\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u5bfe\u7b56\u3001SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u5bfe\u7b56\u3092\u9069\u7528\n        String sanitized = StringEscapeUtils.escapeHtml4(input);\n        sanitized = StringEscapeUtils.escapeCsv(sanitized);\n        sanitized = sanitized.replaceAll(\"'\", \"''\");\n        return sanitized;\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-178\">\n<p>\u3053\u306e\u3088\u3046\u306a\u5bfe\u7b56\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u591a\u304f\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u9069\u5207\u306a\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-179\">\n<h3 class=\"wp-block-heading\" id=\"i-38\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u76e3\u67fb\u3068\u30c6\u30b9\u30c8\u306e\u91cd\u8981\u6027<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-180\">\n<p>\u30bb\u30ad\u30e5\u30a2\u306aCSV\u8aad\u307f\u8fbc\u307f\u3092\u78ba\u5b9f\u306b\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u5b9a\u671f\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u76e3\u67fb\u3068\u30da\u30cd\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6f5c\u5728\u7684\u306a\u8106\u5f31\u6027\u3092\u7279\u5b9a\u3057\u3001\u5bfe\u7b56\u3092\u8b1b\u3058\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-181\">\n<p>\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001CSV\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u653b\u6483\u306b\u3088\u308b\u60c5\u5831\u6f0f\u6d29\u4e8b\u4ef6\u3084\u3001\u4e0d\u9069\u5207\u306a\u5165\u529b\u691c\u8a3c\u306b\u3088\u308b\u969c\u5bb3\u4e8b\u4f8b\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4e00\u65b9\u3067\u3001\u591a\u5c64\u9632\u5fa1\u30a2\u30d7\u30ed\u30fc\u30c1\u306e\u63a1\u7528\u3084\u3001\u81ea\u52d5\u5316\u3055\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c6\u30b9\u30c8\u306e\u5c0e\u5165\u306b\u3088\u308a\u3001\u5927\u5e45\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u305f\u6210\u529f\u4e8b\u4f8b\u3082\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-182\">\n<p>\u30bb\u30ad\u30e5\u30a2\u306aCSV\u8aad\u307f\u8fbc\u307f\u306e\u5b9f\u73fe\u306f\u3001\u5358\u306a\u308b\u6280\u8853\u7684\u306a\u8ab2\u984c\u3067\u306f\u306a\u304f\u3001\u7d44\u7e54\u5168\u4f53\u3067\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u610f\u8b58\u306e\u5411\u4e0a\u3068\u7d99\u7d9a\u7684\u306a\u53d6\u308a\u7d44\u307f\u304c\u5fc5\u8981\u3067\u3059\u3002\u958b\u767a\u8005\u3001\u904b\u7528\u62c5\u5f53\u8005\u3001\u305d\u3057\u3066\u7d4c\u55b6\u5c64\u3092\u542b\u3081\u305f\u7dcf\u5408\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u3001\u771f\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u78ba\u4fdd\u306b\u306f\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-183\">\n<p>\u3000Java CSV\u8aad\u307f\u8fbc\u307f\u306b\u95a2\u3059\u308b7\u3064\u306e\u30c6\u30af\u30cb\u30c3\u30af\u306e\u89e3\u8aac\u306f\u4ee5\u4e0a\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u3067\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u3001\u304b\u3064\u30bb\u30ad\u30e5\u30a2\u306aCSV\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u9069\u7528\u3059\u308b\u969b\u306e\u7dcf\u5408\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-184\">\n<h2 class=\"wp-block-heading\" id=\"i-39\">9. \u307e\u3068\u3081\uff1aJava CSV\u8aad\u307f\u8fbc\u307f\u30de\u30b9\u30bf\u30fc\u3078\u306e\u9053<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-185\">\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001Java \u3067\u306eCSV\u8aad\u307f\u8fbc\u307f\u306b\u95a2\u3059\u308b7\u3064\u306e\u91cd\u8981\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u3067\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u3001\u30bb\u30ad\u30e5\u30a2\u306aCSV\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u30c6\u30af\u30cb\u30c3\u30af\u306e\u8981\u70b9\u3068\u3001Java CSV\u8aad\u307f\u8fbc\u307f\u306e\u30de\u30b9\u30bf\u30fc\u306b\u306a\u308b\u305f\u3081\u306e\u9053\u7b4b\u3092\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-186\">\n<h3 class=\"wp-block-heading\" id=\"i-40\">9.1 7\u3064\u306e\u30c6\u30af\u30cb\u30c3\u30af\u306e\u8981\u70b9\u3068\u4f7f\u3044\u5206\u3051<\/h3>\n<\/div>\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">7\u3064\u306e\u30c6\u30af\u30cb\u30c3\u30af\u306e\u307e\u3068\u3081<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ol class=\"wp-block-list\">\n<li><strong>\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u305f\u57fa\u672c\u7684\u306aCSV\u8aad\u307f\u8fbc\u307f<\/strong>\uff1a \u5c0f\u898f\u6a21\u306a\u30d5\u30a1\u30a4\u30eb\u51e6\u7406\u3084\u3001\u8ffd\u52a0\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4f7f\u7528\u304c\u5236\u9650\u3055\u308c\u308b\u74b0\u5883\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>Apache Commons CSV\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u6d3b\u7528<\/strong>\uff1a \u8907\u96d1\u306aCSV\u5f62\u5f0f\u3092\u6271\u3046\u969b\u3084\u3001\u3088\u308a\u9ad8\u5ea6\u306a\u6a5f\u80fd\u304c\u5fc5\u8981\u306a\u5834\u5408\u306b\u6709\u7528\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>OpenCSV\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u305f\u67d4\u8edf\u306a\u8aad\u307f\u8fbc\u307f<\/strong>\uff1a JavaBeans\u3078\u306e\u81ea\u52d5\u30de\u30c3\u30d4\u30f3\u30b0\u304c\u5fc5\u8981\u306a\u5834\u5408\u3084\u3001\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u6027\u306e\u9ad8\u3044\u51e6\u7406\u304c\u6c42\u3081\u3089\u308c\u308b\u969b\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u5927\u5bb9\u91cfCSV\u30d5\u30a1\u30a4\u30eb\u306e\u52b9\u7387\u7684\u306a\u51e6\u7406\u65b9\u6cd5<\/strong>\uff1a \u30ae\u30ac\u30d0\u30a4\u30c8\u5358\u4f4d\u306e\u5927\u898f\u6a21\u30d5\u30a1\u30a4\u30eb\u3092\u6271\u3046\u969b\u306b\u3001\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3084\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u51e6\u7406\u3092\u6d3b\u7528\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>CSV\u8aad\u307f\u8fbc\u307f\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/strong>\uff1a \u51e6\u7406\u901f\u5ea6\u304c\u91cd\u8981\u306a\u5834\u5408\u306b\u3001\u30d0\u30c3\u30d5\u30a1\u30ea\u30f3\u30b0\u3084\u6b63\u898f\u8868\u73fe\u306e\u6700\u9069\u5316\u306a\u3069\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u7528\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3068\u30c7\u30fc\u30bf\u691c\u8a3c\u306e\u5b9f\u88c5<\/strong>\uff1a \u30c7\u30fc\u30bf\u306e\u54c1\u8cea\u304c\u91cd\u8981\u306a\u696d\u52d9\u3084\u3001\u30a8\u30e9\u30fc\u306b\u5bfe\u3059\u308b\u5805\u7262\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u30b7\u30b9\u30c6\u30e0\u3067\u91cd\u8981\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30bb\u30ad\u30e5\u30a2\u306aCSV\u8aad\u307f\u8fbc\u307f\u306e\u5b9f\u73fe<\/strong>\uff1a \u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u6271\u3046\u5834\u5408\u3084\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u306e\u9ad8\u3044\u74b0\u5883\u3067\u5fc5\u9808\u3068\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n<\/div><\/div>\n\n\n<div id=\"sgb-css-id-187\">\n<h3 class=\"wp-block-heading\" id=\"i-41\">9.2 \u5b9f\u8df5\u7684\u306a\u5fdc\u7528\u4f8b\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-188\">\n<p>\u3053\u308c\u3089\u306e\u30c6\u30af\u30cb\u30c3\u30af\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">\u6d3b\u7528\u4f8b<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-189\">\n<li>\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u89e3\u6790\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u7bc9<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-190\">\n<li>\u91d1\u878d\u30c7\u30fc\u30bf\u306e\u4e00\u62ec\u30a4\u30f3\u30dd\u30fc\u30c8\u30c4\u30fc\u30eb<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-191\">\n<li>IoT\u30c7\u30d0\u30a4\u30b9\u304b\u3089\u306e\u30bb\u30f3\u30b5\u30fc\u30c7\u30fc\u30bf\u51e6\u7406<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-192\">\n<li>\u5927\u898f\u6a21\u306a\u9867\u5ba2\u30c7\u30fc\u30bf\u306e\u7d71\u5408\u3068\u5206\u6790<\/li>\n<\/div><\/ul>\n<\/div><\/div>\n\n\n<div id=\"sgb-css-id-193\">\n<p>\u5b9f\u88c5\u306e\u969b\u306f\u3001\u4ee5\u4e0b\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u5fc3\u304c\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">\u5b9f\u88c5\u306e\u969b\u306e\u5fc3\u304c\u3051<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-194\">\n<li>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8981\u4ef6\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u9078\u629e\u3059\u308b<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-195\">\n<li>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3092\u5fb9\u5e95\u3057\u3001\u60f3\u5b9a\u5916\u306e\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u3082\u5805\u7262\u306a\u51e6\u7406\u3092\u5b9f\u88c5\u3059\u308b<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-196\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30e1\u30e2\u30ea\u4f7f\u7528\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u30ea\u30bd\u30fc\u30b9\u3092\u52b9\u7387\u7684\u306b\u6d3b\u7528\u3059\u308b<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-197\">\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u7d99\u7d9a\u7684\u306b\u66f4\u65b0\u3057\u3001\u65b0\u305f\u306a\u8105\u5a01\u306b\u5bfe\u5fdc\u3059\u308b<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-198\">\n<li>\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u3068\u30a4\u30f3\u30c6\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8\u3092\u5b9f\u65bd\u3057\u3001\u51e6\u7406\u306e\u6b63\u78ba\u6027\u3068\u5b89\u5b9a\u6027\u3092\u78ba\u4fdd\u3059\u308b<\/li>\n<\/div><\/ul>\n<\/div><\/div>\n\n\n<div id=\"sgb-css-id-199\">\n<h3 class=\"wp-block-heading\" id=\"i-42\">9.3 \u3055\u3089\u306a\u308b\u5b66\u7fd2\u306e\u305f\u3081\u306e\u30ea\u30bd\u30fc\u30b9\u3068\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-200\">\n<p>Java CSV\u8aad\u307f\u8fbc\u307f\u306e\u30de\u30b9\u30bf\u30fc\u306b\u306a\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b9\u30c6\u30c3\u30d7\u3092\u8e0f\u3080\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ol class=\"wp-block-list\"><div id=\"sgb-css-id-201\">\n<li>Java \u306e\u57fa\u672c\u7684\u306aI\/O\u64cd\u4f5c\u3068\u6587\u5b57\u5217\u51e6\u7406\u306b\u3064\u3044\u3066\u5fa9\u7fd2\u3059\u308b<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-202\">\n<li>CSV\u5f62\u5f0f\u3068RFC 4180\u898f\u683c\u306b\u3064\u3044\u3066\u6df1\u304f\u5b66\u3076<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-203\">\n<li>Apache Commons CSV\u3084OpenCSV\u306a\u3069\u306e\u4e3b\u8981\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u8aad\u307f\u8fbc\u3080<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-204\">\n<li>\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u51e6\u7406\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306b\u95a2\u3059\u308b\u66f8\u7c4d\u3084\u8ad6\u6587\u3092\u8aad\u3080<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-205\">\n<li>OWASP\u306a\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u53c2\u7167\u3057\u3001\u6700\u65b0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u5b66\u3076<\/li>\n<\/div><\/ol>\n<\/div><\/div>\n\n\n<div 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