{"id":33352,"date":"2017-09-17T14:45:43","date_gmt":"2017-09-17T05:45:43","guid":{"rendered":"http:\/\/www.sejuku.net\/blog\/?p=33352"},"modified":"2024-05-06T11:45:04","modified_gmt":"2024-05-06T02:45:04","slug":"%e3%80%90java%e5%88%9d%e5%bf%83%e8%80%85%e5%bf%85%e8%a6%8b%e3%80%91%e3%82%88%e3%81%8f%e4%bd%bf%e3%81%86java%e3%81%ae%e6%a8%99%e6%ba%96api%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6%e8%a7%a3%e8%aa%ac%ef%bc%81","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/33352","title":{"rendered":"\u3010JavaAPI\u3068\u306f\uff1f\u3011\u6a19\u6e96API\u306e\u4f7f\u3044\u65b9\u3068\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3092\u89e3\u8aac\uff01"},"content":{"rendered":"<p>Java\u306b\u306f\u958b\u767a\u3092\u884c\u3046\u305f\u3081\u306b\u4fbf\u5229\u306a\u6a19\u6e96API\u304c\u305f\u304f\u3055\u3093\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3088\u304f\u4f7f\u7528\u3059\u308bAPI\u3084\u4fbf\u5229\u306aAPI\u306a\u3069\u306b\u3064\u3044\u3066\u89e3\u8aac\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n<p><br \/>\n\u3010\u57fa\u790e\u3011Java\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3068\u306f<br \/>\n\u3010\u57fa\u790e\u3011Java\u306eAPI\u3068\u306f<br \/>\n\u3010\u57fa\u790e\u3011Java\u306eAPI\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u8aad\u307f\u65b9<br \/>\n\u3010\u767a\u5c55\u3011\u4ee3\u8868\u7684\u306a\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306e\u89e3\u8aac<br \/>\n\u3010\u767a\u5c55\u3011\u4ee3\u8868\u7684\u306a\u30af\u30e9\u30b9\u306e\u89e3\u8aac<br \/>\n\u3010\u767a\u5c55\u3011\u305d\u306e\u4ed6\u306e\u4fbf\u5229\u306aAPI<br \/>\n\u3010\u767a\u5c55\u3011\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u306eAPI<br \/>\n<\/p>\n<p>Java\u306eAPI\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u60c5\u5831\u91cf\u304c\u81a8\u5927\u3067\u3001\u66f8\u3044\u3066\u3042\u308b\u3053\u3068\u3082\u306a\u3093\u3060\u304b\u96e3\u3057\u305d\u3046\u3067\u3001\u6163\u308c\u306a\u3044\u3068\u6238\u60d1\u3063\u3066\u3057\u307e\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001API\u3092\u3046\u307e\u304f\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u304cJava\u30d7\u30ed\u30b0\u30e9\u30de\u3068\u3057\u3066\u4e0a\u9054\u3059\u308b\u305f\u3081\u306e\u8fd1\u9053\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u306f\u305d\u3093\u306aJava\u306e\u6a19\u6e96API\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\uff01<\/p>\n<p>\u306a\u304a\u3001Java\u306e\u8a18\u4e8b\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/www.sejuku.net\/blog\/148098\" target=\"_blank\" rel=\"noopener\">\u3053\u3061\u3089<\/a>\u306b\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>Java\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3068\u306f<\/h2>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-33372\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_524370115.jpg\" alt=\"shutterstock_524370115\" width=\"700\" height=\"400\" srcset=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_524370115.jpg 700w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_524370115-150x86.jpg 150w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_524370115-300x171.jpg 300w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_524370115-640x366.jpg 640w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><br \/>\n<span style=\"color: #339966;\"><strong>Java\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9<\/strong><\/span>\u3068\u306f\u3001\u30aa\u30e9\u30af\u30eb\u793e\u304c\u516c\u958b\u3057\u3066\u3044\u308bJava\u3092\u958b\u767a\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u60c5\u5831\u304c\u66f8\u304b\u308c\u3066\u3044\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u3053\u3068\u3092\u8a00\u3044\u307e\u3059\u3002<\/p>\n<p>Java\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u306f\u3001Java\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u958b\u767a\u3092\u884c\u3046\u305f\u3081\u306e\u60c5\u5831\u3084\u3001Java\u306e\u4ed5\u69d8\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u3084\u30af\u30e9\u30b9\u306a\u3069\u306e\u60c5\u5831\u306b\u3064\u3044\u3066\u7db2\u7f85\u3055\u308c\u3066\u3044\u308b<span style=\"color: #0000ff;\"><strong>\u516c\u5f0f\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9<\/strong><\/span>\u306e\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u3067\u306f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092<strong>\u300c\u57fa\u672c\u300d\u300c\u5c11\u3057\u8a73\u3057\u3044\u4eba\u5411\u3051\u300d\u300c\u30c4\u30fc\u30eb\u95a2\u4fc2\u300d<\/strong>\u3068\u5206\u3051\u3066\u305d\u308c\u305e\u308c\u7c21\u5358\u306b\u89e3\u8aac\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n<p>\u521d\u5fc3\u8005\u306e\u65b9\u306b\u306f<span style=\"color: #ff0000;\"><strong>\u96e3\u3057\u3044\u5185\u5bb9\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059<\/strong><\/span>\u306e\u3067\u3001\u4eca\u306e\u6bb5\u968e\u3067\u306f\u3053\u306e\u3088\u3046\u306a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3092\u982d\u306e\u7247\u9685\u306b\u3067\u3082\u7559\u3081\u3066\u304a\u3044\u3066\u3044\u305f\u3060\u3051\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h3>\u57fa\u672c\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/h3>\n<p><strong>\u30fb<a href=\"http:\/\/www.oracle.com\/technetwork\/jp\/java\/javase\/documentation\/api-jsp-316041-ja.html\" target=\"_blank\" rel=\"noopener noreferrer\">Java SE API\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a><\/strong><br \/>\n<span style=\"color: #339966;\"><strong>Java SE\uff08Java Platform, Standard Edition\uff09<\/strong><\/span>\u53ca\u3073<span style=\"color: #339966;\"><strong>JDK\uff08Java Development Kit \uff09<\/strong><\/span>\u306b\u95a2\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u4e00\u89a7\u304c\u3042\u308b\u30da\u30fc\u30b8\u3067\u3059\u3002\u904e\u53bb\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u9061\u3063\u3066\u95b2\u89a7\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u30fb<a href=\"https:\/\/docs.oracle.com\/javase\/jp\/8\/docs\/index.html\" target=\"_blank\" rel=\"noopener noreferrer\">\u958b\u767a\u8005\u30ac\u30a4\u30c9<\/a><\/strong><br \/>\nJava SE\u53ca\u3073JDK\u3067\u958b\u767a\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u60c5\u5831\u304c\u7db2\u7f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u5c11\u3057\u8a73\u3057\u3044\u4eba\u5411\u3051\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/h3>\n<p><strong>\u30fb<a href=\"https:\/\/docs.oracle.com\/javase\/jp\/8\/javafx\/api\/toc.htm\" target=\"_blank\" rel=\"noopener noreferrer\">JavaFX API\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a><\/strong><br \/>\nJava\u4eee\u60f3\u30de\u30b7\u30f3\u3067\u52d5\u4f5c\u3059\u308bGUI\u30e9\u30a4\u30d6\u30e9\u30ea\u306eAPI\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u3059\u3002<\/p>\n<p><strong>\u30fb<a href=\"https:\/\/docs.oracle.com\/javase\/specs\/index.html\" target=\"_blank\" rel=\"noopener noreferrer\">Java\u8a00\u8a9e\u304a\u3088\u3073\u4eee\u60f3\u30de\u30b7\u30f3\u4ed5\u69d8<\/a><\/strong><br \/>\nJava\u8a00\u8a9e\u304a\u3088\u3073\u4eee\u60f3\u30de\u30b7\u30f3\u306b\u3064\u3044\u3066\u306e\u4ed5\u69d8\u304c\u7db2\u7f85\u3055\u308c\u3066\u3044\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u3059\u3002\u5168\u3066\u82f1\u6587\u3067\u3059\u3002<\/p>\n<h3>\u30c4\u30fc\u30eb\u95a2\u4fc2\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/h3>\n<p><strong>\u30fb<a href=\"https:\/\/docs.oracle.com\/javase\/jp\/8\/docs\/technotes\/tools\/unix\/index.html\" target=\"_blank\" rel=\"noopener noreferrer\">Java SE\u30c4\u30fc\u30eb\u30fb\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9(UNIX)<\/a><\/strong><br \/>\nUNIX\u3067<span style=\"color: #339966;\"><strong>Java Platform, Standard Edition<\/strong><\/span>\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3067\u3059\u3002<\/p>\n<p><strong>\u30fb<a href=\"https:\/\/docs.oracle.com\/javase\/jp\/8\/docs\/technotes\/tools\/windows\/index.html\" target=\"_blank\" rel=\"noopener noreferrer\">Java SE\u30c4\u30fc\u30eb\u30fb\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9(Windows)<\/a><\/strong><br \/>\nWindows\u3067<span style=\"color: #339966;\"><strong>Java Platform, Standard Edition<\/strong><\/span>\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3067\u3059\u3002<\/p>\n<h2>Java\u306eAPI\u3068\u306f<\/h2>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-33370\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_448000054.jpg\" alt=\"shutterstock_448000054\" width=\"700\" height=\"400\" srcset=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_448000054.jpg 700w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_448000054-150x86.jpg 150w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_448000054-300x171.jpg 300w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_448000054-640x366.jpg 640w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><br \/>\nJava\u306e<span style=\"color: #339966;\"><strong>API\uff08Application Programming Interface \uff09<\/strong><\/span>\u306f\u3001Java\u3067\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u3068\u306a\u308b<span style=\"color: #0000ff;\"><strong>\u6a19\u6e96\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9<\/strong><\/span>\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>API\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\uff01<br \/>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/7087\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2022\/12\/howto-01-2023-11-06T225608.830-150x85.png\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">API\u3068\u306f\uff1f\u610f\u5473\u3084\u4ed5\u7d44\u307f\u3001\u6d3b\u7528\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u3082\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e749\u670824\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            <\/p>\n<p>Java\u306b\u306f\u591a\u6570\u306e\u6a5f\u80fd\u304c\u63d0\u4f9b\u3055\u308c\u3066\u304a\u308a\u3001<span style=\"color: #ff0000;\"><strong>Java\u306e\u6a5f\u80fd\u3092\u6709\u52b9\u306b\u4f7f\u3046\u305f\u3081\u306b\u306fAPI\u306e\u4f7f\u7528\u304c\u5fc5\u9808<\/strong><\/span>\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u958b\u767a\u8005\u306fJava\u306e\u30eb\u30fc\u30eb\u306b\u5f93\u3063\u3066API\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u81ea\u5206\u30671\u304b\u3089\u5b9f\u88c5\u3059\u308b\u3053\u3068\u306a\u304f\u7528\u610f\u3055\u308c\u305f<span style=\"color: #0000ff;\"><strong>API\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u52b9\u7387\u3088\u304f\u958b\u767a<\/strong><\/span>\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u6587\u5b57\u5217\u3092\u51fa\u529b\u3059\u308b\u304a\u306a\u3058\u307f\u306e\u51e6\u7406\u3082\u3001Java\u304c\u63d0\u4f9b\u3057\u3066\u3044\u308bAPI\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">System.out.println(\"Hello World\");<\/pre>\n<p>\u3053\u308c\u306f\u3001<span style=\"color: #339966;\"><strong>System<\/strong><\/span>\u30af\u30e9\u30b9\u306e<span style=\"color: #339966;\"><strong>out<\/strong><\/span>\u3068\u3044\u3046\u30af\u30e9\u30b9\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u53d6\u5f97\u3057\u3001out\u30af\u30e9\u30b9\u30d5\u30a3\u30fc\u30eb\u30c9\u3067\u4f7f\u7528\u3067\u304d\u308b<span style=\"color: #339966;\"><strong>println<\/strong><\/span>\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u51fa\u3057\u3066\u3001\u5f15\u6570\u3067\u6307\u5b9a\u3055\u308c\u305f\u5909\u6570\u3084\u6587\u5b57\u5217\u3092\u51fa\u529b\u3059\u308bJava\u306eAPI\u3067\u3059\u3002<\/p>\n<h2>Java\u306eAPI\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u8aad\u307f\u65b9\u3092\u77e5\u308d\u3046<\/h2>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-33371\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_397574674.jpg\" alt=\"shutterstock_397574674\" width=\"700\" height=\"400\" srcset=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_397574674.jpg 700w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_397574674-150x86.jpg 150w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_397574674-300x171.jpg 300w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_397574674-640x366.jpg 640w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><br \/>\n\u3053\u3053\u3067\u306fJava\u306eAPI\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u8aad\u307f\u65b9\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>java\u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3042\u308bJava 8\u306eAPI\u306f\u4ee5\u4e0b\u3088\u308a\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/docs.oracle.com\/javase\/jp\/8\/docs\/api\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/docs.oracle.com\/javase\/jp\/8\/docs\/api\/<\/a><\/p>\n<p>API\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u307f\u308b\u3068\u3001\u753b\u9762\u304c3\u5206\u5272\u3055\u308c\u3066\u3044\u3066\u3001\u5de6\u4e0a\u306b\u30d1\u30c3\u30b1\u30fc\u30b8\u3001\u5de6\u4e0b\u306b\u306f\u30af\u30e9\u30b9\u306e\u30ea\u30f3\u30af\u304c\u305d\u308c\u305e\u308c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-33355\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image1.png\" alt=\"javaapi_image1\" width=\"700\" height=\"400\" srcset=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image1.png 700w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image1-150x86.png 150w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image1-300x171.png 300w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image1-640x366.png 640w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><br \/>\nJava(tm) Platform, Standard Edition 8<\/p>\n<h3>API\u306e\u7a2e\u985e\u306b\u3064\u3044\u3066\u77e5\u308d\u3046<\/h3>\n<p>Java\u306f\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u306e<span style=\"color: #0000ff;\"><strong>\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u542b\u307e\u308c\u308b\u6a5f\u80fd\u3092\u4f7f\u7528<\/strong><\/span>\u3057\u3066\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30c3\u30b1\u30fc\u30b8\u3068\u306fJava\u306e\u540d\u524d\u7a7a\u9593\u306b\u3042\u308b<span style=\"color: #339966;\"><strong>\u30af\u30e9\u30b9<\/strong><\/span>\u3084<span style=\"color: #339966;\"><strong>\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9<\/strong><\/span>\u3092\u307e\u3068\u3081\u305f\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n<p>\u30af\u30e9\u30b9\u3084\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306b\u306f\u3055\u3089\u306b\u56fa\u6709\u306e\u6a5f\u80fd\u3092\u4f7f\u3046\u305f\u3081\u306e<span style=\"color: #339966;\"><strong>\u30e1\u30bd\u30c3\u30c9<\/strong><\/span>\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Java\u306eAPI\u3067\u306f\u3001<\/p>\n<p><span style=\"color: #339966;\"><strong>\u30fb\u30d1\u30c3\u30b1\u30fc\u30b8<br \/>\n\u30fb\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u4f7f\u7528\u3059\u308b\u30af\u30e9\u30b9\u30fb\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9<br \/>\n\u30fb\u30af\u30e9\u30b9\u30fb\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3067\u4f7f\u7528\u3059\u308b\u30e1\u30bd\u30c3\u30c9<\/strong><\/span><\/p>\n<p>\u306a\u3069\u304c\u305d\u308c\u305e\u308c\u30b0\u30eb\u30fc\u30d7\u3054\u3068\u306b\u307e\u3068\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Java\u306a\u3069\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u8a00\u8a9e\u3067\u306f\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u3084\u30af\u30e9\u30b9\u30fb\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3001\u30e1\u30bd\u30c3\u30c9\u306a\u3069\u3092\u305d\u308c\u305e\u308c<span style=\"color: #ff0000;\"><strong>\u30e2\u30ce\uff08\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff09\u3068\u3057\u3066\u8868\u73fe<\/strong><\/span>\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\uff01<br \/>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/5973\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2022\/12\/howto-05-79-150x85.png\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u3068\u306f\uff1f\u610f\u5473\u3084\u8a00\u8a9e\u306e\u7a2e\u985e\u3001\u57fa\u790e\u77e5\u8b58\u3082\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2025\u5e7412\u670826\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            <br \/>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/10188\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2016\/08\/object-150x85.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u8131\u521d\u5fc3\u8005\u306e\u305f\u3081\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u518d\u5165\u9580<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2025\u5e7412\u670826\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            <\/p>\n<h3>\u30af\u30e9\u30b9\u306e\u8aac\u660e\u306e\u8aad\u307f\u65b9<\/h3>\n<p>\u3053\u3053\u3067\u306fJava\u306eAPI\u304b\u3089String\u30af\u30e9\u30b9\u3092\u4f8b\u306b\u8aad\u307f\u65b9\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>Java\u306eAPI\u3067\u3042\u308b<a href=\"https:\/\/docs.oracle.com\/javase\/jp\/8\/docs\/api\/\" target=\"_blank\" rel=\"noopener noreferrer\">Java(tm) Platform, Standard Edition 8<\/a>\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u30af\u30e9\u30b9\u304b\u3089String\u3092\u63a2\u3057\u3066\u9078\u629e\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-33356\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image2.png\" alt=\"javaapi_image2\" width=\"700\" height=\"400\" srcset=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image2.png 700w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image2-150x86.png 150w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image2-300x171.png 300w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image2-640x366.png 640w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/p>\n<p>\u30af\u30e9\u30b9String\u306e\u30da\u30fc\u30b8\u3092\u4e0a\u304b\u3089\u9806\u306b\u78ba\u8a8d\u3059\u308b\u3068\u3001\u307e\u305aString\u30af\u30e9\u30b9\u3092\u4f7f\u3046\u305f\u3081\u306b\u306f\u3001Java.lang\u3068\u3044\u3046<span style=\"color: #ff0000;\"><strong>\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u5fc5\u8981<\/strong><\/span>\u3068\u3044\u3046\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306bString\u30af\u30e9\u30b9\u306e<span style=\"color: #0000ff;\"><strong>\u6982\u8981\u3084\u5b9a\u7fa9\u306e\u65b9\u6cd5\u3001\u4f7f\u3044\u65b9<\/strong><\/span>\u304c\u8a73\u7d30\u306b\u89e3\u8aac\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><span style=\"color: #0000ff;\"><strong>\u30d5\u30a3\u30fc\u30eb\u30c9\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3001\u4f7f\u7528\u3067\u304d\u308b\u30e1\u30bd\u30c3\u30c9<\/strong><\/span>\u306a\u3069\u3001String\u30af\u30e9\u30b9\u3092\u4f7f\u3046\u305f\u3081\u306b\u5fc5\u8981\u306a\u60c5\u5831\u3082\u7db2\u7f85\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<h3>\u30e1\u30bd\u30c3\u30c9\u306e\u8aac\u660e\u306e\u8aad\u307f\u65b9<\/h3>\n<p>\u30e1\u30bd\u30c3\u30c9\u306f\u4e0a\u8ff0\u3057\u305f\u3088\u3046\u306b\u3001\u305d\u306e<span style=\"color: #0000ff;\"><strong>\u30af\u30e9\u30b9\u3084\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3067\u4f7f\u7528\u3067\u304d\u308b\u6a5f\u80fd<\/strong><\/span>\u306e\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001String\u3067\u3069\u306e\u3088\u3046\u306a\u30e1\u30bd\u30c3\u30c9\u304c\u4f7f\u7528\u3067\u304d\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001API\u306eString\u30af\u30e9\u30b9\u306e\u30da\u30fc\u30b8\u3092\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u3066\u3044\u304f\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a<span style=\"color: #0000ff;\"><strong>\u30e1\u30bd\u30c3\u30c9\u306e\u4e00\u89a7\u304c\u8868\u793a<\/strong><\/span>\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-33357\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image3.png\" alt=\"javaapi_image3\" width=\"700\" height=\"400\" srcset=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image3.png 700w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image3-150x86.png 150w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image3-300x171.png 300w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image3-640x366.png 640w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/p>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u4f7f\u7528\u3067\u304d\u308b\u5168\u3066\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001<strong>\u300c\u9759\u7684\u30e1\u30bd\u30c3\u30c9\u300d\u300c\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30fb\u30e1\u30bd\u30c3\u30c9\u300d\u300c\u5177\u8c61\u30e1\u30bd\u30c3\u30c9\u300d\u300c\u975e\u63a8\u5968\u30e1\u30bd\u30c3\u30c9\u300d<\/strong>\u3092\u305d\u308c\u305e\u308c\u9078\u629e\u3057\u3066\u8868\u793a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30bd\u30c3\u30c9\u306e\u4e00\u89a7\u306e\u4e2d\u304b\u3089\u3001\u4f8b\u3048\u3070\u6587\u5b57\u5217\u3092\u6bd4\u8f03\u3059\u308bequals\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9\u3092\u77e5\u308a\u305f\u3044\u5834\u5408\u306f\u3001\u300c\u30e1\u30bd\u30c3\u30c9\u3068\u4e00\u89a7\u300d\u304b\u3089equals\u306e\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001equals\u306b\u3064\u3044\u3066\u89e3\u8aac\u3055\u308c\u3066\u3044\u308b<span style=\"color: #0000ff;\"><strong>\u30ea\u30f3\u30af\u5148\u306b\u98db\u3076\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/strong><\/span><\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-33358\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image4.png\" alt=\"javaapi_image4\" width=\"700\" height=\"224\" srcset=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image4.png 700w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image4-150x48.png 150w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image4-300x96.png 300w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image4-640x205.png 640w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/p>\n<p>\u30ea\u30f3\u30af\u5148\u3067\u306f\u30e1\u30bd\u30c3\u30c9\u306e\u89e3\u8aac\u3084<strong>\u300c\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u300d\u300c\u30d1\u30e9\u30e1\u30fc\u30bf\u300d\u300c\u623b\u308a\u5024\u300d\u300c\u95a2\u9023\u9805\u76ee\u300d<\/strong>\u306a\u3069\u306e\u5185\u5bb9\u304c\u89e3\u8aac\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-33359\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image5.png\" alt=\"javaapi_image5\" width=\"700\" height=\"267\" srcset=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image5.png 700w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image5-150x57.png 150w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image5-300x114.png 300w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/javaapi_image5-640x244.png 640w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/p>\n<h2>\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9<\/h2>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-33369\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_330786716.jpg\" alt=\"shutterstock_330786716\" width=\"700\" height=\"400\" srcset=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_330786716.jpg 700w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_330786716-150x86.jpg 150w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_330786716-300x171.jpg 300w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_330786716-640x366.jpg 640w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><br \/>\n\u3053\u3053\u3067\u306fJava\u306eAPI\u306e\u4e2d\u304b\u3089\u3001\u3088\u304f\u4f7f\u3046\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p><span style=\"color: #339966;\"><strong>\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\uff08interface\uff09<\/strong><\/span>\u3068\u306f\u3001\u5177\u4f53\u7684\u306a\u5185\u5bb9\u3092\u66f8\u304b\u305a\u306b<span style=\"color: #0000ff;\"><strong>\u30e1\u30bd\u30c3\u30c9\u306e\u578b\u306e\u307f\u3092\u5ba3\u8a00\u3057\u305f\u30af\u30e9\u30b9\u306e\u3088\u3046\u306a\u3082\u306e<\/strong><\/span>\u3092\u8a00\u3044\u307e\u3059\u3002<\/p>\n<p>\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306e\u8a73\u3057\u3044\u89e3\u8aac\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\uff01<br \/>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/21542\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/shutterstock_595820321-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011interface\u3068implements\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\u89e3\u8aac\uff01<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            <\/p>\n<h3>List<\/h3>\n<p><span style=\"color: #339966;\"><strong>List<\/strong><\/span>\u306f\u683c\u7d0d\u3057\u305f\u9806\u306bindex\u304c\u751f\u6210\u3055\u308c\u3001<span style=\"color: #0000ff;\"><strong>\u5024\u3068\u7d10\u3065\u3051\u3055\u308c\u308b\u30b3\u30ec\u30af\u30b7\u30e7\u30f3<\/strong><\/span>\u3067\u3059\u3002<\/p>\n<p>List\u306findex\u3092\u6307\u5b9a\u3057\u3066\u8981\u7d20\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u308a\u3001List\u3067\u683c\u7d0d\u3057\u305f\u5024\u3092\u691c\u7d22\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u4f7f\u7528\u3059\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\uff1a<\/strong><br \/>\n<span style=\"color: #339966;\"><strong>java.util<\/strong><\/span><\/p>\n<p><strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\uff1a<\/strong><\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">List&lt;String&gt; list = new ArrayList&lt;&gt;();<\/pre>\n<p><strong>\u4ee3\u8868\u7684\u306a\u30e1\u30bd\u30c3\u30c9\uff1a<\/strong><br \/>\nadd(E e), get(int index), size()<\/p>\n<p><strong>\u4f7f\u7528\u4f8b\uff1a<\/strong>size\u30e1\u30bd\u30c3\u30c9\u3067\u8981\u7d20\u6570\u3092\u8abf\u3079\u308b<\/p>\n<pre class=\"lang:java decode:true \">\/\/\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\r\nList&lt;String&gt; list = \r\nnew ArrayList&lt;String&gt;(\r\n    Arrays.asList(\"apple\", \"orange\", \"melon\"));\r\n \r\nSystem.out.println(\"List = \" + list);\r\nSystem.out.println(\"\u8981\u7d20\u6570 = \" + list.size());<\/pre>\n<p><strong>\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">List = [apple, orange, melon]\r\n\u8981\u7d20\u6570 = 3<\/pre>\n<p>List\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\uff01<\/p>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/20355\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/shutterstock_595820321-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\u89e3\u8aac\uff01<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n<h3>Map<\/h3>\n<p><span style=\"color: #339966;\"><strong>Map<\/strong><\/span>\u306f\u300c\u30ad\u30fc\u300d\u3068\u300c\u5024\u300d\u306e<span style=\"color: #0000ff;\"><strong>2\u3064\u306e\u8981\u7d20\u3067\u69cb\u6210\u3055\u308c\u308b\u30b3\u30ec\u30af\u30b7\u30e7\u30f3<\/strong><\/span>\u3067\u3059\u3002<\/p>\n<p>Map\u306e\u5024\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306b\u306f\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u4f7f\u7528\u3059\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\uff1a<\/strong><br \/>\n<span style=\"color: #339966;\"><strong>java.util<\/strong><\/span><\/p>\n<p><strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\uff1a<\/strong><\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">Map&lt;String, String&gt; map = new HashMap&lt;&gt;();<\/pre>\n<p><strong>\u4ee3\u8868\u7684\u306a\u30e1\u30bd\u30c3\u30c9\uff1a<\/strong><br \/>\nput(K key, V value), containsKey(Object key)<\/p>\n<p><strong>\u4f7f\u7528\u4f8b\uff1a<\/strong>\u5024\u306e\u8ffd\u52a0<\/p>\n<pre class=\"lang:java decode:true \">\/\/\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\r\nprivate static Map&lt;String, String&gt; map = new HashMap&lt;&gt;();\r\nstatic {\r\n     map.put(\"item1\", \"apple\");\r\n     map.put(\"item2\", \"orange\");\r\n     map.put(\"item3\", \"melon\");\r\n}\r\n \r\npublic static void main(String[] args) {\r\n    for(Map.Entry&lt;String, String&gt; entry : map.entrySet()) {\r\n        System.out.println(entry.getKey() + \" : \" + entry.getValue());\r\n    }\r\n}<\/pre>\n<p><strong>\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">item2 : orange\r\nitem1 : apple\r\nitem3 : melon<\/pre>\n<p>Map\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\uff01<br \/>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/19796\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/03\/hashmap-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011Map\u306e\u4f7f\u3044\u65b9\u7dcf\u307e\u3068\u3081(HashMap\u3067\u521d\u671f\u5316\u3001\u5024\u306e\u30bd\u30fc\u30c8)<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            <\/p>\n<h3>Set<\/h3>\n<p><span style=\"color: #339966;\"><strong>Set<\/strong><\/span>\u306f<span style=\"color: #0000ff;\"><strong>\u91cd\u8907\u3057\u306a\u3044\u8981\u7d20\u306e\u96c6\u307e\u308a\u304c\u3042\u308b\u30b3\u30ec\u30af\u30b7\u30e7\u30f3<\/strong><\/span>\u3067\u3059\u3002<\/p>\n<p>List\u306findex\u306e\u9806\u756a\u901a\u308a\u306b\u4e26\u3093\u3060\u8981\u7d20\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3067\u91cd\u8907\u3057\u305f\u8981\u7d20\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001Set\u3067\u306f<span style=\"color: #ff0000;\"><strong>\u91cd\u8907\u3057\u305f\u8981\u7d20\u3092\u6301\u3064\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/strong><\/span><\/p>\n<p><strong>\u4f7f\u7528\u3059\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\uff1a<\/strong><br \/>\n<span style=\"color: #339966;\"><strong>java.util<\/strong><\/span><\/p>\n<p><strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\uff1a<\/strong><\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">Set&lt;String&gt; set = new HashSet&lt;&gt;();<\/pre>\n<p><strong>\u4ee3\u8868\u7684\u306a\u30e1\u30bd\u30c3\u30c9\uff1a<\/strong><br \/>\nadd(E e), remove(Object o), size()<\/p>\n<p><strong>\u4f7f\u7528\u4f8b\uff1a<\/strong>\u5024\u306e\u8ffd\u52a0<\/p>\n<pre class=\"lang:java decode:true \">public static void main(String[] args) {\r\n\r\n    \/\/\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\r\n    Set&lt;String&gt; set = new HashSet&lt;&gt;();\r\n    Collections.addAll(set, \"apple\", \"orange\", \"melon\");\r\n\r\n    for (Iterator&lt;String&gt; itr = set.iterator(); itr.hasNext();) {\r\n        System.out.println(itr.next());\r\n    }\r\n}<\/pre>\n<p><strong>\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">orange\r\napple\r\nmelon<\/pre>\n<p>Set\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\uff01<br \/>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/20127\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/03\/listset-1-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011List\u3068Set\u30af\u30e9\u30b9\u306e\u5909\u63db\u30fb\u9055\u3044\u307e\u3068\u3081<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            <\/p>\n<h2>\u30af\u30e9\u30b9<\/h2>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-33373\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_526821523.jpg\" alt=\"shutterstock_526821523\" width=\"700\" height=\"400\" srcset=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_526821523.jpg 700w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_526821523-150x86.jpg 150w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_526821523-300x171.jpg 300w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_526821523-640x366.jpg 640w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><br \/>\n\u3053\u3053\u3067\u306fJava\u306eAPI\u306e\u4e2d\u304b\u3089\u3001\u3088\u304f\u4f7f\u3046\u30af\u30e9\u30b9\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p><span style=\"color: #339966;\"><strong>\u30af\u30e9\u30b9\uff08class\uff09<\/strong><\/span>\u3068\u306fJava\u30d7\u30ed\u30b0\u30e9\u30e0\u306e1\u756a\u5916\u5074\u306b\u8a18\u8ff0\u3057\u3001<span style=\"color: #0000ff;\"><strong>1\u3064\u306e\u6a5f\u80fd\u3092\u3072\u3068\u307e\u3068\u3081\u306b\u3057\u305f\u3082\u306e<\/strong><\/span>\u3067\u3001\u30af\u30e9\u30b9\u306e\u4e2d\u306b\u306f\u51e6\u7406\u306b\u5fc5\u8981\u306a\u30e1\u30bd\u30c3\u30c9\u3084\u5909\u6570\u306a\u3069\u3092\u307e\u3068\u3081\u3066\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u30af\u30e9\u30b9\u306e\u751f\u6210\uff1a<\/strong><\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">class \u30af\u30e9\u30b9\u540d{\r\n\u2026\r\n}<\/pre>\n<p>\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u6b21\u306e\u8a18\u4e8b\u3067\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/24931\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/06\/java_class-150x85.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9\u7dcf\u307e\u3068\u3081<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n<h3>String<\/h3>\n<p><span style=\"color: #339966;\"><strong>String<\/strong><\/span>\u30af\u30e9\u30b9\u306fJava\u306e\u4e2d\u3067\u3082\u4f7f\u7528\u983b\u5ea6\u304c\u9ad8\u3044\u30af\u30e9\u30b9\u3067\u3059\u3002<\/p>\n<p>\u4e3b\u306b<span style=\"color: #0000ff;\"><strong>\u6587\u5b57\u5217\u3092\u751f\u6210\u3057\u305f\u308a\u3001\u7d50\u5408\u30fb\u7f6e\u63db\u306a\u3069\u306e\u6587\u5b57\u5217\u64cd\u4f5c<\/strong><\/span>\u3092\u884c\u3046\u3068\u304d\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u4f7f\u7528\u3059\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\uff1a<\/strong><br \/>\n<span style=\"color: #339966;\"><strong>java.lang<\/strong><\/span><\/p>\n<p><strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\uff1a<\/strong><\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">\/\/\u6587\u5b57\u5217\u3092\u751f\u6210\r\nString str1 = \"Hello\";\r\n\r\n\/\/\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3057\u3066\u6587\u5b57\u5217\u3092\u6307\u5b9a\r\nString str2 = new String(\"Java!!\");<\/pre>\n<p><strong>\u4ee3\u8868\u7684\u306a\u30e1\u30bd\u30c3\u30c9\uff1a<\/strong><br \/>\nformat(String format, Object&#8230; args), indexOf(String str), isEmpty()<\/p>\n<p><strong>\u4f7f\u7528\u4f8b\uff1a<\/strong>\u5024\u306e\u8ffd\u52a0<\/p>\n<pre class=\"lang:java decode:true \">public static void main(String[] args) {\r\n\r\n    \/\/\u6587\u5b57\u5217\u3092\u751f\u6210\r\n    String str1 = \"Hello\";\r\n\r\n    \/\/\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3057\u3066\u6587\u5b57\u5217\u3092\u6307\u5b9a\r\n    String str2 = new String(\"Java!!\");\r\n    \r\n    System.out.println(str1);\r\n    System.out.println(str2);\r\n}<\/pre>\n<p><strong>\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">Hello\r\nJava!!<\/pre>\n<p>String\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\uff01<br \/>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/20546\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/03\/3f42241a1cb22c2f87e2e010ae85c39b-150x85.jpeg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java String\u30117\u3064\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3067\u6587\u5b57\u5217\u64cd\u4f5c\u3092\u7406\u89e3\u3057\u3088\u3046<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2025\u5e7412\u670826\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            <\/p>\n<h3>File<\/h3>\n<p><span style=\"color: #339966;\"><strong>File<\/strong><\/span>\u30af\u30e9\u30b9\u306f\u30d5\u30a1\u30a4\u30eb\u3092\u6271\u3046\u305f\u3081\u306e\u30af\u30e9\u30b9\u3067\u3059\u3002<\/p>\n<p>\u30d5\u30a1\u30a4\u30eb\u3092\u6271\u3046\u306b\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3057\u3066\u3001\u751f\u6210\u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u3057\u3066<span style=\"color: #0000ff;\"><strong>\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f\u3084\u66f8\u304d\u8fbc\u307f\u306a\u3069\u306e\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c<\/strong><\/span>\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u4f7f\u7528\u3059\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\uff1a<\/strong><br \/>\n<span style=\"color: #339966;\"><strong>java.io<\/strong><\/span><\/p>\n<p><strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\uff1a<\/strong><\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">File file = new File(\u30d5\u30a1\u30a4\u30eb\u540d);<\/pre>\n<p><strong>\u4ee3\u8868\u7684\u306a\u30e1\u30bd\u30c3\u30c9\uff1a<\/strong><br \/>\ndelete(), exists(), getName()<\/p>\n<p><strong>\u4f7f\u7528\u4f8b\uff1a<\/strong>\u30d5\u30a1\u30a4\u30eb\u306e\u5b58\u5728\u3092\u8abf\u3079\u308b<\/p>\n<pre class=\"lang:java decode:true \">public static void main(String[] args) {\r\n\r\n    \/\/\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\r\n    File file = new File(\"java.txt\");\r\n        \r\n    \/\/ \u30d5\u30a1\u30a4\u30eb\u306e\u5b58\u5728\u78ba\u8a8d\r\n    if(file.exists()){\r\n    System.out.println(\"\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\");\r\n    }else{\r\n    System.out.println(\"\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\");\r\n    }\r\n}<\/pre>\n<p>File\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\uff01<br \/>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/24786\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/06\/java_class_all-150x85.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">Java\u306eFile\u30af\u30e9\u30b9\u3092\u30de\u30b9\u30bf\u30fc\uff01\u57fa\u790e\u304b\u3089\u4fbf\u5229\u306a\u4f7f\u3044\u65b9\u307e\u3067\u7dcf\u307e\u3068\u3081<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            <\/p>\n<h3>Calendar<\/h3>\n<p><span style=\"color: #339966;\"><strong>Calendar<\/strong><\/span>\u30af\u30e9\u30b9\u306f\u3001\u7279\u5b9a\u306e\u65e5\u4ed8\u3084\u65e5\u6642\u3092\u6307\u5b9a\u3057\u3066<span style=\"color: #0000ff;\"><strong>\u65e5\u4ed8\u306e\u64cd\u4f5c\u3092\u884c\u3046\u305f\u3081\u306e\u30af\u30e9\u30b9\u3067\u3059\u3002<\/strong><\/span><\/p>\n<p><strong>\u4f7f\u7528\u3059\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\uff1a<\/strong><br \/>\n<span style=\"color: #339966;\"><strong>java.util<\/strong><\/span><\/p>\n<p><strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\uff1a<\/strong><\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">Calendar cl = Calendar.getInstance();<\/pre>\n<p><strong>\u4ee3\u8868\u7684\u306a\u30e1\u30bd\u30c3\u30c9\uff1a<\/strong><br \/>\nadd(int field, int amount), get(int field), getInstance(),<\/p>\n<p><strong>\u4f7f\u7528\u4f8b\uff1a<\/strong>\u30d5\u30a1\u30a4\u30eb\u306e\u5b58\u5728\u3092\u8abf\u3079\u308b<\/p>\n<pre class=\"lang:java decode:true \">public static void main(String[] args) {\r\n\r\n    \/\/Calendar\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\r\n    Calendar cl = Calendar.getInstance();\r\n    \r\n    \/\/\u73fe\u5728\u306e\u5e74\u6708\u65e5\u3092\u53d6\u5f97\u3059\u308b\r\n    System.out.println(\"YEAR\uff1a\" + cl.get(Calendar.YEAR));\r\n    System.out.println(\"MONTH\uff1a\" + cl.get(Calendar.MONTH)); \r\n    System.out.println(\"DATE\uff1a\" + cl.get(Calendar.DATE));\r\n}\r\n<\/pre>\n<p><strong>\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">YEAR\uff1a2017\r\nMONTH\uff1a8\r\nDATE\uff1a17<\/pre>\n<p>Calendar\u30af\u30e9\u30b9\u3084Date\u30af\u30e9\u30b9\u306f<span style=\"color: #ff0000;\"><strong>\u6708\u307e\u305f\u304e\u306e\u554f\u984c<\/strong><\/span>\u304c\u3042\u308a\u30010\u304c1\u6708\u3068\u306a\u308a\u307e\u3059\u306e\u3067\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>Calendar\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\uff01<br \/>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/20275\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/07\/image-122-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011Calendar\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9\u3092\u5b8c\u5168\u89e3\u8aac(set\/add\/format)<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            <\/p>\n<h3>ArrayList<\/h3>\n<p><span style=\"color: #339966;\"><strong>ArrayList<\/strong><\/span>\u30af\u30e9\u30b9\u306f<span style=\"color: #0000ff;\"><strong>\u8981\u7d20\u6570\u304c\u6c7a\u307e\u3063\u3066\u3044\u306a\u3044\u52d5\u7684\u306a\u914d\u5217<\/strong><\/span>\u3067\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u4e2d\u3067\u3082\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><strong>\u4f7f\u7528\u3059\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\uff1a<\/strong><br \/>\n<span style=\"color: #339966;\"><strong>java.util<\/strong><\/span><\/p>\n<p><strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\uff1a<\/strong><\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">List&lt;\u30c7\u30fc\u30bf\u578b\u540d&gt; list = new ArrayList&lt;\u30c7\u30fc\u30bf\u578b\u540d&gt;();<\/pre>\n<p><strong>\u4ee3\u8868\u7684\u306a\u30e1\u30bd\u30c3\u30c9\uff1a<\/strong><br \/>\nadd(E e), get(int index), ort(Comparator&lt;? super E&gt; c)<\/p>\n<p><strong>\u4f7f\u7528\u4f8b\uff1a<\/strong>\u5024\u306e\u8ffd\u52a0<\/p>\n<pre class=\"lang:java decode:true \">public static void main(String[] args) {\r\n\r\n    \/\/\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\r\n    List&lt;String&gt; list = new ArrayList&lt;&gt;();\r\n \r\n    list.add(\"apple\");\r\n    list.add(\"orange\");\r\n    list.add(\"melon\");\r\n        \r\n    for(Iterator it = list.iterator(); it.hasNext();) {\r\n        System.out.println(it.next());\r\n    }\r\n\r\n}<\/pre>\n<p><strong>\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false lang:default decode:true \">apple\r\norange\r\nmelon<\/pre>\n<p>ArrayList\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\uff01<br \/>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/20355\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/shutterstock_595820321-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\u89e3\u8aac\uff01<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            <\/p>\n<h3>Date<\/h3>\n<p><span style=\"color: #339966;\"><strong>Date<\/strong><\/span>\u30af\u30e9\u30b9\u306f\u3001\u6307\u5b9a\u3057\u305f\u65e5\u6642\u3092\u53d6\u5f97\u3057\u305f\u308a\u3001\u65e5\u6642\u3092\u8a08\u7b97\u3057\u305f\u3044\u3068\u304d\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u4f7f\u7528\u3059\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\uff1a<\/strong><br \/>\n<span style=\"color: #339966;\"><strong>java.util<\/strong><\/span><\/p>\n<p><strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\uff1a<\/strong><\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">Date date = new Date();<\/pre>\n<p><strong>\u4ee3\u8868\u7684\u306a\u30e1\u30bd\u30c3\u30c9\uff1a<\/strong><br \/>\ncompareTo(Date anotherDate), getTime(), toString()<\/p>\n<p><strong>\u4f7f\u7528\u4f8b\uff1a<\/strong>\u73fe\u5728\u306e\u65e5\u4ed8\u3092\u53d6\u5f97<\/p>\n<pre class=\"lang:java decode:true \">public static void main(String[] args) {\r\n\r\n    \/\/Date\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3059\u308b\r\n    Date date = new Date();\r\n        \r\n    \/\/\u73fe\u5728\u306e\u65e5\u6642\u3092\u51fa\u529b\u3059\u308b\r\n    System.out.println(date.toString());\r\n\r\n}<\/pre>\n<p><strong>\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">Sun Sep 17 02:43:03 UTC 2017<\/pre>\n<p>Date\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\uff01<br \/>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/24887\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/06\/java_date-150x85.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u3011Date\u30af\u30e9\u30b9\u3067\u65e5\u4ed8\u3092\u6271\u3046\u65b9\u6cd5\u30925\u3064\u306e\u30d1\u30bf\u30fc\u30f3\u5225\u306b\u89e3\u8aac<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            <\/p>\n<h3>Math<\/h3>\n<p><span style=\"color: #339966;\"><strong>Math<\/strong><\/span>\u30af\u30e9\u30b9\u306f\u57fa\u672c\u7684\u306a\u6570\u5024\u306e\u8a08\u7b97\u3092\u884c\u3046\u3068\u304d\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u4f7f\u7528\u3059\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\uff1a<\/strong><br \/>\n<span style=\"color: #339966;\"><strong>java.lang<br \/>\n<\/strong><\/span><br \/>\n<strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\uff1a<\/strong><br \/>\nMath\u30af\u30e9\u30b9\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3057\u306a\u304f\u3066\u3082\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u4ee3\u8868\u7684\u306a\u30e1\u30bd\u30c3\u30c9\uff1a<\/strong><br \/>\nabs(\u578b a), max(\u578b a), min(\u578b a), pow(\u578b a, \u578b b), random()<\/p>\n<p><strong>\u4f7f\u7528\u4f8b\uff1a<\/strong>\u4e71\u6570\u3092\u751f\u6210\u3059\u308b<\/p>\n<pre class=\"lang:java decode:true \">public static void main(String[] args) {\r\n\r\n    \/\/\u4e71\u6570\u3092\u751f\u6210\u3057\u3001\u6574\u6570\u306b\u56db\u6368\u4e94\u5165\u3059\u308b\r\n    double dnum = Math.random()*10;\r\n    dnum = Math.ceil(dnum);\r\n    System.out.println(dnum);\r\n\r\n}<\/pre>\n<p><strong>\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">2.0<\/pre>\n<h2>\u305d\u306e\u4ed6\u306eAPI<\/h2>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-33374\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_626435660.jpg\" alt=\"shutterstock_626435660\" width=\"700\" height=\"400\" srcset=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_626435660.jpg 700w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_626435660-150x86.jpg 150w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_626435660-300x171.jpg 300w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_626435660-640x366.jpg 640w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><br \/>\n\u3053\u3053\u3067\u306fJava\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3067\u516c\u958b\u3055\u308c\u3066\u3044\u308b<span style=\"color: #0000ff;\"><strong>\u4fbf\u5229\u306aAPI<\/strong><\/span>\u3092\u4e00\u90e8\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h3>JavaMail<\/h3>\n<p><span style=\"color: #339966;\"><strong>JavaMail<\/strong><\/span>\u306f\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308bAPI\u3067\u3059\u3002<\/p>\n<p>JavaMail\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u30e1\u30fc\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>JavaMail\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30da\u30fc\u30b8\u3088\u308a\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u9078\u629e\u3057\u3001\u300cDownload\u300d\u30dc\u30bf\u30f3\u3088\u308a\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u53ca\u3073\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u884c\u3044\u307e\u3059\u3002<br \/>\n<a href=\"http:\/\/www.oracle.com\/technetwork\/java\/index-138643.html\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/www.oracle.com\/technetwork\/java\/index-138643.html<\/a><\/p>\n<h3>Servlet\uff08\u30b5\u30fc\u30d6\u30ec\u30c3\u30c8\uff09<\/h3>\n<p><span style=\"color: #339966;\"><strong>Servlet\uff08\u30b5\u30fc\u30d6\u30ec\u30c3\u30c8\uff09<\/strong><\/span>\u306f<span style=\"color: #0000ff;\"><strong>\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u52d5\u4f5c\u3059\u308bjava\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210<\/strong><\/span>\u3059\u308b\u3068\u304d\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>Servlet\u3068\u540c\u3058\u6a5f\u80fd\u3068\u3057\u3066<span style=\"color: #339966;\"><strong>JSP<\/strong><\/span>\u304c\u3042\u308a\u307e\u3059\u304c\u3001JSP\u306fPHP\u306e\u3088\u3046\u306bHTML\u306e\u4e2d\u306b\u30b9\u30d7\u30ea\u30af\u30c8\u3092\u8a18\u8ff0\u3059\u308b\u306e\u306b\u5bfe\u3057\u3066\u3001Servlet\u306fJava\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u540c\u69d8\u306b\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<p>Servlet\u306f\u4ee5\u4e0b\u306e\u30da\u30fc\u30b8\u3088\u308a\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u53ca\u3073\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u884c\u3044\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/tomcat.apache.org\/tomcat-8.0-doc\/servletapi\/index.html\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/tomcat.apache.org\/tomcat-8.0-doc\/servletapi\/index.html<\/a><\/p>\n<p>Servlet\u306b\u3064\u3044\u3066\u306f\u6b21\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/10496\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2022\/12\/howto-02-57-150x85.png\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">Java Servlet\uff08\u30b5\u30fc\u30d6\u30ec\u30c3\u30c8\uff09\u3068\u306f\uff1f\u8d85\u521d\u5fc3\u8005\u5411\u3051\u306b\u512a\u3057\u304f\u89e3\u8aac<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2025\u5e7412\u670826\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n<h3>Applet\uff08\u30a2\u30d7\u30ec\u30c3\u30c8\uff09<\/h3>\n<p><span style=\"color: #339966;\"><strong>Applet\uff08\u30a2\u30d7\u30ec\u30c3\u30c8\uff09<\/strong><\/span>\u306f<span style=\"color: #0000ff;\"><strong>Web\u30d6\u30e9\u30a6\u30b6\u3067\u52d5\u4f5c\u3059\u308bJava\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210<\/strong><\/span>\u3059\u308b\u3068\u304d\u306b\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p>Java\u30a2\u30d7\u30ec\u30c3\u30c8\u306f\u3001Java\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30d6\u30e9\u30a6\u30b6\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Web\u30da\u30fc\u30b8\u306e\u4e00\u90e8\u3068\u3057\u3066\u57cb\u3081\u8fbc\u307e\u308c\u3066\u3001Web\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u5229\u7528\u8005\u306e\u64cd\u4f5c\u3092\u53d7\u3051\u4ed8\u3051\u305f\u308a\u3001HTML\u3067\u306f\u96e3\u3057\u3044\u52d5\u304d\u306e\u3042\u308b\u5185\u5bb9\u3092\u8868\u793a\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Applet\uff08\u30a2\u30d7\u30ec\u30c3\u30c8\uff09\u306b\u3064\u3044\u3066\u306f\u6b21\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/31214\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/image31-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010\u3044\u307e\u3055\u3089\u805e\u3051\u306a\u3044\u3011Java\u30a2\u30d7\u30ec\u30c3\u30c8\u3068\u306f\uff1fWeb\u30d6\u30e9\u30a6\u30b6\u3067\u52d5\u304fJava\u30d7\u30ed\u30b0\u30e9\u30e0<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n<h3>JSON<\/h3>\n<p><span style=\"color: #339966;\"><strong>JSON<\/strong><\/span>\u306f\u30c6\u30ad\u30b9\u30c8\u30d9\u30fc\u30b9\u3067\u8a00\u8a9e\u306b\u4f9d\u5b58\u3057\u306a\u3044\u30c7\u30fc\u30bf\u5f62\u5f0f\u3067\u3059\u3002<\/p>\n<p>JSON\u306f<span style=\"color: #0000ff;\"><strong>\u30ad\u30fc\u3068\u5024\u3067\u69cb\u6210<\/strong><\/span>\u3055\u308c\u3066\u3044\u3066\u8a18\u8ff0\u304c\u5bb9\u6613\u306a\u305f\u3081\u3001\u7406\u89e3\u3057\u3084\u3059\u3044\u5f62\u5f0f\u3068\u8a00\u3048\u307e\u3059\u3002<\/p>\n<p>\u305d\u3093\u306aJSON\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306eJava\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u89e3\u8aac\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n<a href=\"http:\/\/www.oracle.com\/technetwork\/articles\/java\/json-1973242.html\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/www.oracle.com\/technetwork\/articles\/java\/json-1973242.html<\/a><\/p>\n<p>JSON\u306b\u3064\u3044\u3066\u306f\u6b21\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/39599\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/12\/json-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u3011JSON\u30c7\u30fc\u30bf\u3092\u6a19\u6e96API\u3001Jackson\u3001JSON in Java\u3067\u6271\u3046\u65b9\u6cd5<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n<h3>sound<\/h3>\n<p><span style=\"color: #339966;\"><strong>sound<\/strong><\/span>\u306fMIDI (Musical Instrument Digital Interface)\u30c7\u30fc\u30bf\u306e\u5165\u51fa\u529b\u3084\u97f3\u58f0\u30c7\u30fc\u30bf\u306e\u53d6\u308a\u8fbc\u307f\u3001\u518d\u751f\u306a\u3069\u306e\u51e6\u7406\u3092\u884c\u3046\u3068\u304d\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>sound\u306f\u4eba\u304c\u8a71\u3057\u305f\u5185\u5bb9\u3092\u51e6\u7406\u3057\u3066\u7d50\u679c\u3092\u8fd4\u3059<span style=\"color: #0000ff;\"><strong>\u97f3\u58f0\u8a8d\u8b58\u3067\u3082\u3088\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b<\/strong><\/span>\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u3059\u3002<\/p>\n<p><strong>\u4e3b\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\uff1a<\/strong><br \/>\n<span style=\"color: #339966;\"><strong>javax.sound.midi<br \/>\njavax.sound.midi.spi<br \/>\njavax.sound.sampled<br \/>\njavax.sound.sampled.spi<\/strong><\/span><\/p>\n<h2>\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u306eAPI<\/h2>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-33375\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_524798665.jpg\" alt=\"shutterstock_524798665\" width=\"700\" height=\"400\" srcset=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_524798665.jpg 700w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_524798665-150x86.jpg 150w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_524798665-300x171.jpg 300w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/09\/shutterstock_524798665-640x366.jpg 640w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><br \/>\n2017\u5e74\u73fe\u5728\u306eJava\u306e\u6700\u65b0\u7248\u306f\u30d0\u30fc\u30b8\u30e7\u30f38\u3067\u3059\u304c\u3001\u904e\u53bb\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306eAPI\u3092\u78ba\u8a8d\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u30ea\u30f3\u30af\u5148\u304b\u3089\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Java7\u306eAPI<br \/>\n<a href=\"http:\/\/docs.oracle.com\/javase\/jp\/7\/api\/\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/docs.oracle.com\/javase\/jp\/7\/api\/<\/a><\/p>\n<p>Java6\u306eAPI<br \/>\n<a href=\"https:\/\/docs.oracle.com\/javase\/jp\/6\/api\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/docs.oracle.com\/javase\/jp\/6\/api\/<\/a><\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u3053\u3053\u3067\u306fJava\u306eAPI\u306b\u95a2\u3057\u3066\u3001<\/p>\n<p><strong>\u30fbJava\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3068\u306f<br \/>\n\u30fbJava\u306eAPI\u3068\u306f<br \/>\n\u30fbJava\u306eAPI\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u8aad\u307f\u65b9<br \/>\n\u30fb\u4ee3\u8868\u7684\u306a\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306e\u89e3\u8aac<br \/>\n\u30fb\u4ee3\u8868\u7684\u306a\u30af\u30e9\u30b9\u306e\u89e3\u8aac<br \/>\n\u30fb\u305d\u306e\u4ed6\u306e\u4fbf\u5229\u306aAPI<br \/>\n\u30fb\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u306eAPI<\/strong><\/p>\n<p>\u306a\u3069\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>Java\u306eAPI\u306f\u81a8\u5927\u306a\u6570\u306b\u4e0a\u308a\u3001\u3042\u3089\u3086\u308b\u6a5f\u80fd\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><span style=\"color: #ff0000;\"><strong>\u305d\u306e\u305f\u3081\u3001API\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u5229\u7528\u3057\u3066\u52b9\u7387\u306e\u826f\u3044\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u884c\u3046\u3053\u3068\u304c\u4e0a\u9054\u306e\u8fd1\u9053\u3068\u306a\u308a\u307e\u3059\u3002<\/strong><\/span><\/p>\n<p>\u3082\u3057\u3001Java\u306eAPI\u306b\u3064\u3044\u3066\u5fd8\u308c\u3066\u3057\u307e\u3063\u305f\u3089\u3001\u3053\u306e\u8a18\u4e8b\u3092\u601d\u3044\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u306d\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u306b\u306f\u958b\u767a\u3092\u884c\u3046\u305f\u3081\u306b\u4fbf\u5229\u306a\u6a19\u6e96API\u304c\u305f\u304f\u3055\u3093\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u305d\u3053\u3067\u3001\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3088\u304f\u4f7f\u7528\u3059\u308bAPI\u3084\u4fbf\u5229\u306aAPI\u306a\u3069\u306b\u3064\u3044\u3066\u89e3\u8aac\u3044\u305f\u3057\u307e\u3059\u3002 \u3010\u57fa\u790e\u3011Java\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3068\u306f \u3010\u57fa\u790e\u3011Java\u306eAPI\u3068\u306f [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":45539,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"swell_btn_cv_data":"","footnotes":""},"categories":[2343],"tags":[67],"class_list":["post-33352","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java-start","tag-java"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u3010JavaAPI\u3068\u306f\uff1f\u3011\u6a19\u6e96API\u306e\u4f7f\u3044\u65b9\u3068\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3092\u89e3\u8aac\uff01 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0<\/title>\n<meta name=\"description\" content=\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u3010JavaAPI\u3068\u306f\uff1f\u3011\u6a19\u6e96API\u306e\u4f7f\u3044\u65b9\u3068\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3092\u89e3\u8aac\uff01 \u300d\u306b\u3064\u3044\u3066\u3001\u8ab0\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u3042\u306a\u305f\u306e\u60a9\u307f\u304c\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3058\u3083\u306a\u304f\u3001\u65b0\u305f\u306a\u6c17\u4ed8\u304d\u3082\u767a\u898b\u3067\u304d\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u304a\u60a9\u307f\u306e\u65b9\u306f\u305c\u3072\u3054\u4e00\u8aad\u304f\u3060\u3055\u3044\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sejuku.net\/blog\/33352\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" 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