{"id":20355,"date":"2017-04-13T10:37:24","date_gmt":"2017-04-13T01:37:24","guid":{"rendered":"http:\/\/www.sejuku.net\/blog\/?p=20355"},"modified":"2024-05-06T11:41:31","modified_gmt":"2024-05-06T02:41:31","slug":"%e3%80%90java%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%9e%e5%bf%85%e8%a6%8b%e3%80%91listarraylist%e4%bd%bf%e3%81%84%e6%96%b9%e7%b7%8f%e3%81%be%e3%81%a8%e3%82%81","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/20355","title":{"rendered":"Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\u89e3\u8aac\uff01"},"content":{"rendered":"\n<p>Java\u306b\u306fList\u3068\u3044\u3046\u914d\u5217\u3088\u308a\u3082\u4fbf\u5229\u306a\u578b\u304c\u3042\u308a\u307e\u3059\u304c\u3001<\/p>\n\n\n\n<p><div class=\"box_voice\">\u4f7f\u3044\u65b9\u304c\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u2026\u2026<br>\u3069\u3093\u306a\u3068\u304d\u306b\u4f7f\u3048\u3070\u3044\u3044\u306e\uff1f<br>ArraList\u3063\u3066\u4f55\uff1f<\/div><\/p>\n\n\n\n<p>\u306a\u3069\u7591\u554f\u3092\u6301\u3063\u3066\u3044\u308b\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n<p>\u305d\u3053\u3067\u3001\u3053\u306e\u8a18\u4e8b\u3067\u306fList\u306b\u3064\u3044\u3066\u3001\u4ee5\u4e0b\u306e\u5185\u5bb9\u3067\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\uff01<\/p>\n\n\n<div class=\"box01\">\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>\u3010\u57fa\u790e\u3011List\u578b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5ba3\u8a00\u3068\u521d\u671f\u5316<\/b><\/li>\n\n\n\n<li><b>\u3010\u57fa\u790e\u3011\u30eb\u30fc\u30d7\u3092\u4f7f\u3063\u305f\u8981\u7d20\u3078\u306e\u30a2\u30af\u30bb\u30b9<\/b><\/li>\n\n\n\n<li><b>\u3010\u57fa\u790e\u3011List\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9<\/b><\/li>\n\n\n\n<li><b>\u3010\u767a\u5c55\u3011List\u306e\u8981\u7d20\u3092\u30bd\u30fc\u30c8\u3059\u308b\u65b9\u6cd5<\/b><\/li>\n\n\n\n<li><b>\u3010\u767a\u5c55\u3011List\u3068\u4ed6\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3068\u306e\u5909\u63db\u65b9\u6cd5<\/b><\/li>\n<\/ul>\n\n\n<\/div>\n\n\n\n<p>\u4eca\u56de\u306fList\u306b\u3064\u3044\u3066\u3001\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\uff01<br><div class=\"box01\"><b>\u30a4\u30c1\u30aa\u30b7\u306e\u8a18\u4e8b<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>&gt;&gt;<a href=\"https:\/\/www.sejuku.net\/blog\/59584\/?cid=tecv_20355\">\u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u76ee\u6307\u3059\u305f\u3081\u306b\u77e5\u308b\u3079\u304d4\u3064\u306e\u771f\u5b9f<\/a><\/b><\/li>\n\n\n\n<li><b>&gt;&gt;<a href=\"https:\/\/www.sejuku.net\/blog\/60101\/?cid=tecv_20355\">\u3042\u306a\u305f\u306f\u5927\u4e08\u592b\uff1f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u304c\u4e0a\u9054\u3057\u306a\u3044\u4eba\u306e\u5171\u901a\u70b9<\/a><\/b><\/li>\n<\/ul>\n\n\n<\/div>\n\n\n\n<p>\u306a\u304a\u3001Java\u306e\u8a18\u4e8b\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/www.sejuku.net\/blog\/148098\" target=\"_blank\" rel=\"noopener\">\u3053\u3061\u3089<\/a>\u306b\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">List\u578b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5ba3\u8a00\u3068\u521d\u671f\u5316<\/h2>\n\n\n\n<p>\u307e\u305a\u521d\u3081\u306b\u7a7a\u306eList\u578b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4f5c\u308a\u65b9\u3092\u89e3\u8aac\u3057\u307e\u3059\uff01<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">List&lt;\u30c7\u30fc\u30bf\u578b\u540d&gt; \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d = new ArrayList&lt;\u30c7\u30fc\u30bf\u578b\u540d&gt;();<\/pre>\n\n\n\n<p>List\u578b\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306fArrayList\u30af\u30e9\u30b9\u306a\u3069\u3067\u751f\u6210\u3057\u305f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u683c\u7d0d\u3057\u307e\u3059\u3002\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3059\u308b\u969b\u306b\u306f\u3001new\u6f14\u7b97\u5b50\u3092\u7528\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070String\u578b\u306e\u8981\u7d20\u3092\u3082\u3064List\u306e\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">List&lt;String&gt; list = new ArrayList&lt;String&gt;();<\/pre>\n\n\n\n<p>\u306a\u304a\u3001List\u578b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5ba3\u8a00\u3068\u521d\u671f\u5316\u306e\u8a73\u3057\u3044\u5185\u5bb9\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/15073\" 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\/08\/Java-List-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011List\u306e\u521d\u671f\u5316(new\u3068ArrayList\u3067\u306e\u5ba3\u8a00\u3068add)<\/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\n\n\n<h2 class=\"wp-block-heading\">\u30eb\u30fc\u30d7\u3092\u4f7f\u3063\u305f\u8981\u7d20\u3078\u306e\u30a2\u30af\u30bb\u30b9<\/h2>\n\n\n\n<p>for\u6587\u306a\u3069\u306e\u30eb\u30fc\u30d7\u51e6\u7406\u3092\u4f7f\u3063\u3066\u8981\u7d20\u3078\u30a2\u30af\u30bb\u30b9\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">iterator\u3092\u4f7f\u3063\u305ffor\u6587<\/h3>\n\n\n\n<p>List\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\u3059\u308b\u30af\u30e9\u30b9\u3067\u306f\u3001iterator\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066Iterator\u578b\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>Iterator\u578b\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u306fhasNext\u30e1\u30bd\u30c3\u30c9\u3084next\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3066\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>hasNext\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30ea\u30b9\u30c8\u304c\u6b21\u306e\u8981\u7d20\u3092\u6301\u3063\u3066\u3044\u308b\u5834\u5408\u306btrue\u3092\u8fd4\u3057\u307e\u3059\u3002next\u30e1\u30bd\u30c3\u30c9\u306f\u30ea\u30b9\u30c8\u306e\u6b21\u306e\u8981\u7d20\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>List\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\u3059\u308b\u30af\u30e9\u30b9\u306b\u306f\u3001\u4f8b\u3048\u3070ArrayList\u30af\u30e9\u30b9\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.util.ArrayList;\nimport java.util.Iterator;\nimport java.util.List;\n\npublic class Main {\n \n    public static void main(String[] args) {\n        List&lt;Integer&gt; list = new ArrayList&lt;&gt;();\n \n        list.add(1);\n        list.add(2);\n        list.add(3);\n        list.add(4);\n        \n        for(Iterator it = list.iterator(); it.hasNext();) {\n            System.out.println(it.next());\n        }\n    }\n\n}<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">1\n2\n3\n4<\/pre>\n\n\n\n<p>iterator\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/14825\" 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\/01\/java_list_for-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u30103\u5206\u3067\u308f\u304b\u308bJava\u306e\u57fa\u790e\u3011List\u5185\u306e\u30c7\u30fc\u30bf\u3092for\u6587\u3067\u51e6\u7406\u3059\u308b\u65b9\u6cd5(iterator)<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2025\u5e744\u670823\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h3 class=\"wp-block-heading\">forEach\u30e1\u30bd\u30c3\u30c9<\/h3>\n\n\n\n<p>Java8\u3067\u8ffd\u52a0\u3055\u308c\u305fforEach\u30e1\u30bd\u30c3\u30c9\u3068\u30e9\u30e0\u30c0\u5f0f\u3092\u4f7f\u3046\u3068\u3001\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u5168\u3066\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5834\u5408\u306b\u7c21\u6f54\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.util.ArrayList;\nimport java.util.List;\n \npublic class Main {\n \n    public static void main(String[] args) {\n        List list = new ArrayList&lt;&gt;();\n \n        list.add(\"a\");\n        list.add(\"b\");\n        list.add(\"c\");\n         \n        \/\/ \u62e1\u5f35for\u6587\n        for(String s : list) {\n            System.out.println(s);\n        }\n         \n        \/\/ forEach\u30e1\u30bd\u30c3\u30c9\n        list.forEach(System.out::println);\n    }\n \n}\n<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">a\nb\nc\na\nb\nc\n<\/pre>\n\n\n\n<p>forEach\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/19710\" 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\/08\/image-39-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011Java8\u306eforEach\u3068\u30e9\u30e0\u30c0\u5f0f\u3092\u914d\u5217\u3001List\u3001Map\u3067\u4f7f\u3046<\/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\n\n\n<h2 class=\"wp-block-heading\">List\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<p>List\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u306f\u305f\u304f\u3055\u3093\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30e1\u30bd\u30c3\u30c9\u3092\u8868\u306b\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<table id=\"tablepress-168\" class=\"tablepress tablepress-id-168\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">\u30e1\u30bd\u30c3\u30c9<\/th><th class=\"column-2\">\u8aac\u660e<\/th><th class=\"column-3\">\u8a18\u8ff0\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">add<\/td><td class=\"column-2\">\u30ea\u30b9\u30c8\u306b\u5024\u3092\u8ffd\u52a0<\/td><td class=\"column-3\">list.add(1)<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">addAll<\/td><td class=\"column-2\">\u30ea\u30b9\u30c8\u306b\u30ea\u30b9\u30c8\u3092\u8ffd\u52a0<\/td><td class=\"column-3\">list1.add(list2)<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">set<\/td><td class=\"column-2\">\u30ea\u30b9\u30c8\u306e\u5024\u3092\u5909\u66f4<\/td><td class=\"column-3\">list.set(0, 3)<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">get<\/td><td class=\"column-2\">\u30ea\u30b9\u30c8\u306e\u5024\u3092\u53d6\u5f97<\/td><td class=\"column-3\">list.get(0)<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">size<\/td><td class=\"column-2\">\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u6570\u3092\u53d6\u5f97<\/td><td class=\"column-3\">list.size()<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">indexOf<\/td><td class=\"column-2\">\u30ea\u30b9\u30c8\u304b\u3089\u5024\u306e\u8981\u7d20\u756a\u53f7\u3092\u53d6\u5f97<\/td><td class=\"column-3\">list.indexOf(&#8220;a&#8221;)<\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">subList<\/td><td class=\"column-2\">\u30ea\u30b9\u30c8\u304b\u3089\u7bc4\u56f2\u3092\u6307\u5b9a\u3057\u3066\u30b3\u30d4\u30fc<\/td><td class=\"column-3\">subList(1, 3)<\/td>\n<\/tr>\n<tr class=\"row-9\">\n\t<td class=\"column-1\">contains<\/td><td class=\"column-2\">\u30ea\u30b9\u30c8\u306b\u5024\u304c\u542b\u307e\u308c\u308b\u304b\u5224\u5b9a<\/td><td class=\"column-3\">list.contains(&#8220;a&#8221;)<\/td>\n<\/tr>\n<tr class=\"row-10\">\n\t<td class=\"column-1\">remove<\/td><td class=\"column-2\">\u30ea\u30b9\u30c8\u304b\u3089\u6307\u5b9a\u3059\u308b\u8981\u7d20\u756a\u53f7\u306e\u5024\u3092\u524a\u9664<\/td><td class=\"column-3\">list.remove(1);<\/td>\n<\/tr>\n<tr class=\"row-11\">\n\t<td class=\"column-1\">distinct<\/td><td class=\"column-2\">\u30ea\u30b9\u30c8\u3067\u91cd\u8907\u3059\u308b\u5024\u3092\u524a\u9664<\/td><td class=\"column-3\">list.stream().distinct()<\/td>\n<\/tr>\n<tr class=\"row-12\">\n\t<td class=\"column-1\">clone<\/td><td class=\"column-2\">\u30ea\u30b9\u30c8\u306e\u30b3\u30d4\u30fc<\/td><td class=\"column-3\">list.clone()<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-168 from cache -->\n\n\n<p>\u305d\u308c\u305e\u308c\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u307f\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">add, addAll\u3067\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p>add\u30e1\u30bd\u30c3\u30c9\u306f<b>\u30ea\u30b9\u30c8\u306b\u5024\u3092\u8ffd\u52a0\u3059\u308b\u5834\u5408\u306b\u4f7f\u7528<\/b>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>addAll\u30e1\u30bd\u30c3\u30c9\u306f\u3042\u308b\u30ea\u30b9\u30c8\u306b\u5225\u306e\u30ea\u30b9\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u5834\u5408\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.util.ArrayList;\nimport java.util.List;\n\npublic class Main {\n \n    public static void main(String[] args) {\n        List&lt;Integer&gt; list1 = new ArrayList&lt;&gt;();\n \n        list1.add(1);\n        list1.add(2);\n        list1.add(3);\n        list1.add(4);\n        \n        System.out.println(list1);\n         \n        List&lt;Integer&gt; list2 = new ArrayList&lt;&gt;();\n         \n        list2.add(5);\n        list2.add(6);\n        list2.add(7);\n        list2.add(8);\n         \n        list1.addAll(list2);\n        \n        System.out.println(list1);\n    }\n\n}<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[1, 2, 3, 4]\n[1, 2, 3, 4, 5, 6, 7, 8]<\/pre>\n\n\n\n<p>add\u30e1\u30bd\u30c3\u30c9\u3001addAll\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/14859\" 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\/01\/java_list_addall-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u30103\u5206\u3067\u308f\u304b\u308bJava\u306e\u57fa\u790e\u3011List\u306b\u30c7\u30fc\u30bf\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5(add,addAll)<\/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\n\n\n<h3 class=\"wp-block-heading\">set\u3067\u8981\u7d20\u3092\u66f8\u304d\u63db\u3048\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p>set\u30e1\u30bd\u30c3\u30c9\u306f\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u3092\u66f8\u304d\u63db\u3048\u308b\u5834\u5408\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.util.ArrayList;\nimport java.util.List;\n\npublic class Main {\n \n    public static void main(String[] args) {\n        List&lt;Integer&gt; list = new ArrayList&lt;&gt;();\n \n        for(int i = 0; i &lt; 5; i++) {\n            list.add(i);\n        }\n         \n        list.set(0, 3);\n        \n        System.out.println(list);\n    }\n\n}<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[3, 1, 2, 3, 4]<\/pre>\n\n\n\n<p>set\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/20140\" 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\/listsetmethod-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011\u7c21\u5358\uff01List\u30af\u30e9\u30b9\u306eset\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9<\/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\n\n\n<h3 class=\"wp-block-heading\">get\u3067\u8981\u7d20\u306e\u5024\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p>get\u30e1\u30bd\u30c3\u30c9\u306f<b>\u8981\u7d20\u306e\u5024\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u306b\u4f7f\u7528<\/b>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.util.ArrayList;\nimport java.util.List;\n\npublic class Main {\n \n    public static void main(String[] args) {\n        List&lt;String&gt; list = new ArrayList&lt;&gt;();\n \n        \/\/list\u306b\u30c7\u30fc\u30bf\u8ffd\u52a0\u3059\u308b\n        list.add(\"apple\");\n        list.add(\"orange\");\n        list.add(\"melon\");\n        \n        System.out.println(list.get(0));\n    }\n\n}<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">apple<\/pre>\n\n\n\n<p>get\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/15441\" 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\/02\/java_get-150x86.png\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u30103\u5206\u3067\u308f\u304b\u308bJava\u306e\u57fa\u790e\u3011List\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5(get)<\/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\n\n\n<h3 class=\"wp-block-heading\">size\u3067\u8981\u7d20\u6570\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p>size\u30e1\u30bd\u30c3\u30c9\u306f<b>\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u6570\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u306b\u4f7f\u7528<\/b>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.util.ArrayList;\nimport java.util.Arrays;\nimport java.util.List;\n\npublic class Main {\n \n    public static void main(String[] args) {\n        List&lt;String&gt; list = new ArrayList&lt;&gt;(Arrays.asList(\"s\", \"a\", \"m\", \"u\", \"r\", \"a\", \"i\"));\n \n        System.out.println(\"list = \" + list);\n        System.out.println(\"\u8981\u7d20\u6570 = \" + list.size());\n    }\n\n}<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">list = [s, a, m, u, r, a, i]\n\u8981\u7d20\u6570 = 7<\/pre>\n\n\n\n<p>size\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/15715\" 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\/java_list_size2-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u30103\u5206Java\u5165\u9580\u3011List\u306esize\u30e1\u30bd\u30c3\u30c9\u3067\u8981\u7d20\u6570\u3092\u77e5\u308b\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\n\n\n<h3 class=\"wp-block-heading\">indexOf\u3067\u8981\u7d20\u306e\u4f4d\u7f6e\u3092\u691c\u7d22\u3059\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p>indexOf\u30e1\u30bd\u30c3\u30c9\u306f<b>\u6307\u5b9a\u3057\u305f\u5024\u304c\u30ea\u30b9\u30c8\u5185\u306e\u3069\u3053\u306b\u4f4d\u7f6e\u3059\u308b\u304b\u691c\u7d22\u3059\u308b\u5834\u5408\u306b\u4f7f\u7528<\/b>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.util.ArrayList;\nimport java.util.Arrays;\nimport java.util.List;\n\npublic class Main {\n \n    public static void main(String[] args) {\n        List&lt;String&gt; list = new ArrayList&lt;&gt;(Arrays.asList(\"s\", \"a\", \"m\", \"u\", \"r\", \"a\", \"i\"));\n \n        int index = list.indexOf(\"a\");\n        \n        System.out.println(\"\u8981\u7d20\u756a\u53f7 = \" + index);\n    }\n\n}<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\u8981\u7d20\u756a\u53f7 = 1<\/pre>\n\n\n\n<p>indexOf\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/15971\" 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\/02\/indexof-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011indexOf\u3068lastIndexOf\u3067\u6587\u5b57\u5217\u3092\u691c\u7d22\u3059\u308b(List\/String)<\/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\n\n\n<h3 class=\"wp-block-heading\">subList\u3067List\u306e\u4e00\u90e8\u3092\u30b3\u30d4\u30fc\u3059\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p>subList\u306f<b>\u30ea\u30b9\u30c8\u5185\u306e\u7bc4\u56f2\u3092\u6307\u5b9a\u3057\u3001\u7bc4\u56f2\u5185\u306e\u30ea\u30b9\u30c8\u3067\u65b0\u3057\u3044\u30ea\u30b9\u30c8\u3092\u4f5c\u6210\u3059\u308b\u5834\u5408\u306b\u4f7f\u7528<\/b>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.util.ArrayList;\nimport java.util.List;\n\npublic class Main {\n \n    public static void main(String[] args) {\n        List&lt;Integer&gt; mainList = new ArrayList&lt;&gt;();\n        \n        mainList.add(0);\n        mainList.add(1);\n        mainList.add(2);\n        mainList.add(3);\n        mainList.add(4);\n         \n        List&lt;Integer&gt; sbList = mainList.subList(1, 3);\n        \n        System.out.println(sbList);\n    }\n\n}<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[1, 2]<\/pre>\n\n\n\n<p>subList\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/15309\" 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\/02\/sublist-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011List\u3092subList\u3067\u5207\u308a\u51fa\u3057\u3066\u65b0\u3057\u3044List\u3092\u4f5c\u308b\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\n\n\n<h3 class=\"wp-block-heading\">contains\u3067\u8981\u7d20\u306e\u6709\u7121\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p>contains\u30e1\u30bd\u30c3\u30c9\u306f<b>\u6307\u5b9a\u3057\u305f\u5024\u304c\u30ea\u30b9\u30c8\u5185\u306b\u3042\u308b\u304b\u306a\u3044\u304b\u5224\u5b9a\u3059\u308b\u5834\u5408\u306b\u4f7f\u7528<\/b>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.util.ArrayList;\nimport java.util.Arrays;\nimport java.util.List;\n\npublic class Main {\n \n    public static void main(String[] args) {\n        List&lt;String&gt; listA = new ArrayList&lt;String&gt;(Arrays.asList(\"s\", \"a\", \"m\", \"u\", \"r\", \"a\", \"i\"));\n        List&lt;String&gt; listB = new ArrayList&lt;String&gt;(Arrays.asList(\"e\", \"n\", \"g\", \"i\", \"n\", \"e\", \"e\", \"r\"));\n        List&lt;String&gt; listC = new ArrayList&lt;String&gt;();\n                \n        for(String a : listA) {\n            if(listB.contains(a)) {\n            listC.add(a);\n            }\n        }\n        \n        System.out.println(\"ListC = \" + listC);\n    }\n\n}<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ListC = [r, i]<\/pre>\n\n\n\n<p>contains\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/14802\" 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\/java-remove-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011List\u306e\u8981\u7d20\u3092remove\u3001removeAll\u3067\u524a\u9664\u3059\u308b\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\n\n\n<h3 class=\"wp-block-heading\">remove\u3067\u8981\u7d20\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p>remove\u30e1\u30bd\u30c3\u30c9\u306f<b>\u8981\u7d20\u3092\u524a\u9664\u3059\u308b\u5834\u5408\u306b\u4f7f\u7528<\/b>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.util.ArrayList;\nimport java.util.List;\n\npublic class Main {\n \n    public static void main(String[] args) {\n        List&lt;String&gt; array = new ArrayList&lt;&gt;();\n        array.add(\"\u4f8d\");\n        array.add(\"samurai\");\n        array.add(\"\u3055\u3080\u3089\u3044\");\n        array.add(\"\u30b5\u30e0\u30e9\u30a4\");\n        \n        array.remove(1);\n        \n        System.out.println(array);\n    }\n\n}<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[\u4f8d, \u3055\u3080\u3089\u3044, \u30b5\u30e0\u30e9\u30a4]<\/pre>\n\n\n\n<p>remove\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/14802\" 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\/java-remove-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011List\u306e\u8981\u7d20\u3092remove\u3001removeAll\u3067\u524a\u9664\u3059\u308b\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\n\n\n<h3 class=\"wp-block-heading\">distinct\u3067\u91cd\u8907\u3059\u308b\u8981\u7d20\u3092\u53d6\u308a\u9664\u304f\u65b9\u6cd5<\/h3>\n\n\n\n<p>distinct\u30e1\u30bd\u30c3\u30c9\u306f<b>Java8\u304b\u3089\u8ffd\u52a0\u3055\u308c\u305fStream API<\/b>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30ea\u30b9\u30c8\u5185\u306e\u91cd\u8907\u3059\u308b\u8981\u7d20\u3092\u53d6\u308a\u9664\u304f\u5834\u5408\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.util.ArrayList;\nimport java.util.Arrays;\nimport java.util.List;\n\npublic class Main {\n \n    public static void main(String[] args) {\n        List&lt;String&gt; listA = new ArrayList&lt;&gt;(Arrays.asList(\"s\", \"a\", \"m\", \"u\", \"r\", \"a\", \"i\"));\n        \n        listA.stream().distinct().forEach(System.out::print);\n    }\n\n}<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">samuri<\/pre>\n\n\n\n<p>distinct\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/15704\" 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\/02\/java_list_\u91cd\u8907-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u30103\u5206Java\u5165\u9580\u3011List\u3067\u91cd\u8907\u3059\u308b\u30c7\u30fc\u30bf\u3092\u53d6\u308a\u9664\u304f\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\n\n\n<h3 class=\"wp-block-heading\">clone\u3067List\u306e\u5168\u3066\u3092\u30b3\u30d4\u30fc\u3059\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p>clone\u30e1\u30bd\u30c3\u30c9\u306f<b>\u30ea\u30b9\u30c8\u306e\u3059\u3079\u3066\u3092\u30b3\u30d4\u30fc\u3059\u308b\u5834\u5408\u306b\u4f7f\u7528<\/b>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.util.ArrayList;\n\npublic class Main {\n \n    public static void main(String[] args) {\n        ArrayList&lt;String&gt; list1 = new ArrayList&lt;&gt;();\n        list1.add(\"a\");\n        list1.add(\"b\");\n        list1.add(\"c\");\n         \n        ArrayList&lt;String&gt; list2 = (ArrayList&lt;String&gt;)list1.clone();\n        \n        System.out.println(list2);\n    }\n\n}<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[a, b, c]<\/pre>\n\n\n\n<p>clone\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/19769\" 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\/image-9-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011List\u306e\u30b3\u30d4\u30fc\u3068clone\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9<\/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\n\n\n<h2 class=\"wp-block-heading\">List\u306e\u8981\u7d20\u3092\u30bd\u30fc\u30c8\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u30ea\u30b9\u30c8\u5185\u306e\u8981\u7d20\u3092\u9806\u756a\u306b\u4e26\u3079\u66ff\u3048\u308b\u5834\u5408\u306b\u306f\u3001Collections\u30af\u30e9\u30b9\u306e<b>sort\u30e1\u30bd\u30c3\u30c9<\/b>\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.util.ArrayList;\nimport java.util.Collections;\nimport java.util.List;\n\npublic class Main {\n \n    public static void main(String[] args) {\n        List&lt;Integer&gt; list = new ArrayList&lt;&gt;();\n \n        list.add(10);\n        list.add(30);\n        list.add(5);\n        list.add(2);\n        list.add(11);\n        list.add(90);\n         \n        System.out.println(list);\n        \n        Collections.sort(list);\n        \n        System.out.println(list);\n    }\n\n}<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[10, 30, 5, 2, 11, 90]\n[2, 5, 10, 11, 30, 90]<\/pre>\n\n\n\n<p>\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u3092\u30bd\u30fc\u30c8\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306e\u8a73\u3057\u3044\u89e3\u8aac\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/14155\" 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\/10\/java-sort-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011\u914d\u5217\u3084List\u3092\u30bd\u30fc\u30c8\u3059\u308b\u65b9\u6cd5(\u6587\u5b57\u5217\u3082\u30bd\u30fc\u30c8)<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2025\u5e7412\u670829\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h2 class=\"wp-block-heading\">List\u3068\u4ed6\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3068\u306e\u5909\u63db\u65b9\u6cd5<\/h2>\n\n\n\n<p>List\u3068\u4ed6\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3068\u306e\u76f8\u4e92\u5909\u63db\u306b\u3064\u3044\u3066\u307f\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u914d\u5217\u3068List\u306e\u76f8\u4e92\u5909\u63db<\/h3>\n\n\n\n<p>\u914d\u5217\u304b\u3089List\u306b\u5909\u63db\u3059\u308b\u5834\u5408\u306f\u3001Arrays\u30af\u30e9\u30b9\u306easList\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>List\u304b\u3089\u914d\u5217\u306b\u5909\u63db\u3059\u308b\u5834\u5408\u306f\u3001List\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306etoArray\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.util.ArrayList;\nimport java.util.Arrays;\nimport java.util.List;\n\npublic class Main {\n \n    public static void main(String[] args) {\n        \/\/ \u914d\u5217\u304b\u3089List\u3078\u306e\u5909\u63db\n        String[] array1 = {\"s\", \"a\", \"m\", \"u\", \"r\", \"a\", \"i\"};\n        List&lt;String&gt; list1 = Arrays.asList(array1);\n         \n        System.out.println(list1);\n        \n        \/\/ List\u304b\u3089\u914d\u5217\u3078\u306e\u5909\u63db\n        List&lt;String&gt; list2 = new ArrayList&lt;&gt;(Arrays.asList(\"s\", \"a\", \"m\", \"u\", \"r\", \"a\", \"i\"));\n        String[] array2 = list2.toArray(new String[list2.size()]);\n        \n        for(String s: array2) {\n            System.out.println(s);\n        }\n    }\n\n}<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[s, a, m, u, r, a, i]\ns\na\nm\nu\nr\na\ni<\/pre>\n\n\n\n<p>\u914d\u5217\u3068List\u306e\u76f8\u4e92\u5909\u63db\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/16155\" 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\/11\/listtoarray-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011List\u21d4\u914d\u5217\u306e\u76f8\u4e92\u5909\u63db\u306f&#8221;toArray&#8221;\u3068&#8221;asList&#8221;\u3067OK\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\n\n\n<h3 class=\"wp-block-heading\">List\u3068Set\u306e\u76f8\u4e92\u5909\u63db<\/h3>\n\n\n\n<p>\u305d\u308c\u305e\u308c\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3059\u308b\u969b\u306b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u5f15\u6570\u306b\u5909\u63db\u524d\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u5909\u63db\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.util.ArrayList;\nimport java.util.HashSet;\nimport java.util.List;\nimport java.util.Set;\n\npublic class Main {\n \n    public static void main(String[] args) {\n        \/\/ List\u304b\u3089Set\u3078\u306e\u5909\u63db\n        List&lt;Integer&gt; list1 = new ArrayList&lt;&gt;();\n        list1.add(1);\n        list1.add(2);\n        list1.add(3);\n        list1.add(1);\n         \n        Set&lt;Integer&gt; set1 = new HashSet&lt;&gt;(list1);\n         \n        System.out.println(set1);\n        \n        \/\/ Set\u304b\u3089List\u3078\u306e\u5909\u63db\n        Set&lt;Integer&gt; set2 = new HashSet&lt;&gt;();\n        set2.add(1);\n        set2.add(2);\n        set2.add(3);\n         \n        List&lt;Integer&gt; list2 = new ArrayList&lt;&gt;(set2);\n        \n        System.out.println(list2);\n    }\n\n}<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[1, 2, 3]\n[1, 2, 3]<\/pre>\n\n\n\n<p>List\u3068Set\u306e\u76f8\u4e92\u5909\u63db\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\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            \n\n\n\n<h3 class=\"wp-block-heading\">List\u3068Map\u306e\u76f8\u4e92\u5909\u63db<\/h3>\n\n\n\n<p>List\u304b\u3089Map\u3078\u5909\u63db\u3059\u308b\u5834\u5408\u306f\u3001Java8\u304b\u3089\u8ffd\u52a0\u3055\u308c\u305fStream API\u306ecollect\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u3068\u7c21\u6f54\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3066\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n<p>Map\u304b\u3089List\u306b\u5909\u63db\u3059\u308b\u5834\u5408\u306f\u3001List\u306e\u8981\u7d20\u306bMap\u306e\u5024\u3092\u5909\u63db\u3059\u308b\u5834\u5408\u3068\u30ad\u30fc\u3092\u5909\u63db\u3059\u308b\u5834\u5408\u3068\u3067\u4f7f\u3046\u30e1\u30bd\u30c3\u30c9\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5024\u3092\u5909\u63db\u3059\u308b\u5834\u5408\u306fvalues\u30e1\u30bd\u30c3\u30c9\u3092\u3001\u30ad\u30fc\u3092\u5909\u63db\u3059\u308b\u5834\u5408\u306fkeySet\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.util.Arrays;\nimport java.util.ArrayList;\nimport java.util.HashMap;\nimport java.util.List;\nimport java.util.Map;\nimport java.util.stream.Collectors;\n\npublic class Main {\n \n    public static void main(String[] args) {\n        \/\/ List\u304b\u3089Map\u3078\u306e\u5909\u63db\n        List&lt;String&gt; list = new ArrayList&lt;&gt;(Arrays.asList(\"chocolate\", \"makaron\", \"cheesecake\", \"pudding\", \"cookie\", \"pancake\"));\n     \n        Map&lt;String, Integer&gt; map1 = list.stream().collect(Collectors.toMap(s -&gt; s, s -&gt; s.length()));\n     \n        System.out.println(map1);\n        \n        \/\/ Map\u304b\u3089List\u3078\u306e\u5909\u63db\n        Map map2 = new HashMap(); \n        map2.put(\"Samurai\", \"Engineer\");\n        map2.put(\"Soldier\", \"Warrior\");\n         \n        List&lt;String&gt; listValues = new ArrayList&lt;&gt;(map2.values());\n         \n        List&lt;String&gt; listKeys = new ArrayList&lt;&gt;(map2.keySet());\n        \n        System.out.println(listValues);\n        System.out.println(listKeys);\n    }\n\n}<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">{cookie=6, cheesecake=10, pancake=7, makaron=7, pudding=7, chocolate=9}\n[Warrior, Engineer]\n[Soldier, Samurai]<\/pre>\n\n\n\n<p>List\u3068Map\u306e\u76f8\u4e92\u5909\u63db\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/15900\" 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\/java-list-map-stream-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011List\u21d4Map\u5909\u63db\u3067Java8\u306eStream\u3092\u4f7f\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\n\n\n<h2 class=\"wp-block-heading\">List\u3068ArrayList\u306e\u9055\u3044<\/h2>\n\n\n\n<p>List\u3068ArrayList\u306f\u6df7\u540c\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u306e\u3067\u3001\u9055\u3044\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\u5927\u304d\u306a\u9055\u3044\u306fList\u306f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u3001ArrayList\u306fList\u3092\u5b9f\u88c5\u3057\u305f\u30af\u30e9\u30b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3068\u3057\u3066\u5ba3\u8a00\u6642\u306b\u4f7f\u3046\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304c\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8a18\u8ff0\u306f\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">List&lt;\u30c7\u30fc\u30bf\u578b&gt; \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d = new ArrayList&lt;&gt;();<\/pre>\n\n\n\n<p>List\u306f\u5de6\u8fba\u306e\u3088\u3046\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5ba3\u8a00\u6642\u306b\u578b\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304c\u3001\u53f3\u8fba\u3067new\u53e5\u3092\u4f7f\u3063\u3066\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3059\u308b\u5834\u5408\u306b\u306f\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>new\u53e5\u3092\u4f7f\u3063\u3066\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3059\u308b\u5834\u5408\u306f\u3001ArrayList\u306a\u3069\u306eList\u3092\u5b9f\u88c5\u3057\u305f\u30af\u30e9\u30b9\u304c\u3088\u304f\u4f7f\u308f\u308c\u307e\u3059\u3002\u3061\u306a\u307f\u306b\u3001ArrayList\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5ba3\u8a00\u6642\u306e\u578b\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3082\u3061\u308d\u3093\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3067\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5ba3\u8a00\u6642\u306bList\u578b\u3067\u5ba3\u8a00\u3059\u308b\u306e\u304c\u3044\u3044\u306e\u304b\u3001ArrayList\u578b\u3067\u5ba3\u8a00\u3059\u308b\u306e\u304c\u3044\u3044\u306e\u304b\u3069\u306e\u3088\u3046\u306b\u4f7f\u3044\u5206\u3051\u305f\u3089\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n<p>\u3069\u3061\u3089\u3082\u4f7f\u3044\u65b9\u306b\u3088\u3063\u3066\u30e1\u30ea\u30c3\u30c8\u3001\u30c7\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002\u8a73\u3057\u304f\u306f\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/14886\" 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\/Java\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u30af\u30e9\u30b9\u307e\u3068\u3081List\u3068ArrayList\u306e\u9055\u3044\u3082\u89e3\u8aac-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">Java\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u30af\u30e9\u30b9\u307e\u3068\u3081(List\u3068ArrayList\u306e\u9055\u3044\u3082\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            \n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u3044\u304b\u304c\u3067\u3057\u305f\u304b\uff1f<\/p>\n\n\n\n<p>\u3088\u304f\u4f7f\u3046\u30e1\u30bd\u30c3\u30c9\u304b\u3089\u3042\u307e\u308a\u898b\u304b\u3051\u306a\u3044\u30e1\u30bd\u30c3\u30c9\u3001\u65b0\u3057\u3044\u30e1\u30bd\u30c3\u30c9\u306a\u3069\u591a\u304f\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9\u3092\u899a\u3048\u308b\u3053\u3068\u3067Java\u306eList\u3092\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u304c\u51fa\u6765\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3082\u3057\u3001List\u306b\u3064\u3044\u3066\u5fd8\u308c\u3066\u3057\u307e\u3063\u305f\u3089\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\u306fList\u3068\u3044\u3046\u914d\u5217\u3088\u308a\u3082\u4fbf\u5229\u306a\u578b\u304c\u3042\u308a\u307e\u3059\u304c\u3001 \u4f7f\u3044\u65b9\u304c\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u2026\u2026\u3069\u3093\u306a\u3068\u304d\u306b\u4f7f\u3048\u3070\u3044\u3044\u306e\uff1fArraList\u3063\u3066\u4f55\uff1f \u306a\u3069\u7591\u554f\u3092\u6301\u3063\u3066\u3044\u308b\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1f \u305d\u3053\u3067\u3001\u3053\u306e\u8a18\u4e8b\u3067\u306fList\u306b [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":74906,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"swell_btn_cv_data":"","footnotes":""},"categories":[2344],"tags":[67],"class_list":["post-20355","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java-study","tag-java"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\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 Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\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\/20355\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\u89e3\u8aac\uff01 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0\" \/>\n<meta property=\"og:description\" content=\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\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 property=\"og:url\" content=\"https:\/\/www.sejuku.net\/blog\/20355\" \/>\n<meta property=\"og:site_name\" content=\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/sejuku2013\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/sejuku2013\/\" \/>\n<meta property=\"article:published_time\" content=\"2017-04-13T01:37:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-06T02:41:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/shutterstock_595820321.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"700\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/samuraijuku\" \/>\n<meta name=\"twitter:site\" content=\"@samuraijuku\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/20355#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/20355\"},\"author\":{\"name\":\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#\\\/schema\\\/person\\\/e8ca7fd09857a736a25e6b4455a3ab61\"},\"headline\":\"Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\u89e3\u8aac\uff01\",\"datePublished\":\"2017-04-13T01:37:24+00:00\",\"dateModified\":\"2024-05-06T02:41:31+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/20355\"},\"wordCount\":306,\"publisher\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/20355#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/wp-content\\\/uploads\\\/2017\\\/05\\\/shutterstock_595820321.jpg\",\"keywords\":[\"Java\"],\"articleSection\":[\"Java\u5b66\u7fd2\"],\"inLanguage\":\"ja\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/20355\",\"url\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/20355\",\"name\":\"Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\u89e3\u8aac\uff01 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/20355#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/20355#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/wp-content\\\/uploads\\\/2017\\\/05\\\/shutterstock_595820321.jpg\",\"datePublished\":\"2017-04-13T01:37:24+00:00\",\"dateModified\":\"2024-05-06T02:41:31+00:00\",\"description\":\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\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\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/20355#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/20355\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/20355#primaryimage\",\"url\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/wp-content\\\/uploads\\\/2017\\\/05\\\/shutterstock_595820321.jpg\",\"contentUrl\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/wp-content\\\/uploads\\\/2017\\\/05\\\/shutterstock_595820321.jpg\",\"width\":700,\"height\":400},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/20355#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\u89e3\u8aac\uff01\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/\",\"name\":\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0\",\"description\":\"\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5b66\u7fd2\u306e\u3059\u3079\u3066\u304c\u30b3\u30b3\u306b\u3002\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#organization\",\"name\":\"\u682a\u5f0f\u4f1a\u793eSAMURAI\",\"url\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/wp-content\\\/uploads\\\/2023\\\/07\\\/logo.png\",\"contentUrl\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/wp-content\\\/uploads\\\/2023\\\/07\\\/logo.png\",\"width\":600,\"height\":600,\"caption\":\"\u682a\u5f0f\u4f1a\u793eSAMURAI\"},\"image\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/sejuku2013\",\"https:\\\/\\\/x.com\\\/samuraijuku\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UCCFOQO5aDK0xXam4cUQXT8g\\\/featured\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#\\\/schema\\\/person\\\/e8ca7fd09857a736a25e6b4455a3ab61\",\"name\":\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/507c280c5c67d2c11fec4fdba20e5bf1ec2fe91f9deb42d2ec50382778b311bf?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/507c280c5c67d2c11fec4fdba20e5bf1ec2fe91f9deb42d2ec50382778b311bf?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/507c280c5c67d2c11fec4fdba20e5bf1ec2fe91f9deb42d2ec50382778b311bf?s=96&d=mm&r=g\",\"caption\":\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8\"},\"description\":\"\u3010\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u3011 DX\u8a8d\u5b9a\u53d6\u5f97\u4e8b\u696d\u8005\u306b\u9078\u5b9a\u3055\u308c\u3066\u3044\u308b\u682a\u5f0f\u4f1a\u793eSAMURAI\u306e\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30fb\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u90e8\u304c\u904b\u55b6\u3002\u300c\u8cea\u306e\u9ad8\u3044IT\u6559\u80b2\u3092\u3001\u3059\u3079\u3066\u306e\u4eba\u306b\u300d\u3092\u30df\u30c3\u30b7\u30e7\u30f3\u306b\u3001IT\u30fb\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u5b66\u3073\u59cb\u3081\u305f\u521d\u5b66\u8005\u306e\u65b9\u306b\u5411\u3051\u8a18\u4e8b\u3092\u57f7\u7b46\u3002 \u7d2f\u8a08\u6307\u5c0e\u8005\u65704\u4e075,000\u540d\u4ee5\u4e0a\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u300c\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u300d\u3001\u7d2f\u8a08\u767b\u9332\u8005\u65701\u4e078,000\u4eba\u4ee5\u4e0a\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u5b66\u7fd2\u30b5\u30fc\u30d3\u30b9\u300c\u4f8d\u30c6\u30e9\u30b3\u30e4\u300d\u3067\u6271\u3046\u6559\u6750\u958b\u767a\u306e\u30ce\u30a6\u30cf\u30a6\u30012013\u5e74\u306e\u5275\u696d\u304b\u3089\u904b\u55b6\u3067\u5f97\u305f\u77e5\u898b\u306b\u57fa\u3065\u304d\u3001\u8a18\u4e8b\u306e\u57f7\u7b46\u3060\u3051\u3067\u306a\u304f\u7de8\u96c6\u30fb\u76e3\u4fee\u3082\u62c5\u5f53\u3057\u3066\u3044\u307e\u3059\u3002 \u3010\u5c02\u9580\u5206\u91ce\u3011 IT\\\/Web\u958b\u767a\\\/AI\u30fb\u30ed\u30dc\u30c3\u30c8\u958b\u767a\\\/\u30a4\u30f3\u30d5\u30e9\u958b\u767a\\\/\u30b2\u30fc\u30e0\u958b\u767a\\\/AI\\\/Web\u30c7\u30b6\u30a4\u30f3\",\"sameAs\":[\"https:\\\/\\\/www.sejuku.net\\\/\",\"https:\\\/\\\/www.facebook.com\\\/sejuku2013\\\/\",\"https:\\\/\\\/www.instagram.com\\\/samuraiengineer_official\\\/\",\"https:\\\/\\\/x.com\\\/https:\\\/\\\/twitter.com\\\/samuraijuku\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UCCFOQO5aDK0xXam4cUQXT8g\"],\"url\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/author\\\/samurai-blog\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\u89e3\u8aac\uff01 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0","description":"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\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","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.sejuku.net\/blog\/20355","og_locale":"ja_JP","og_type":"article","og_title":"Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\u89e3\u8aac\uff01 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0","og_description":"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\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","og_url":"https:\/\/www.sejuku.net\/blog\/20355","og_site_name":"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0","article_publisher":"https:\/\/www.facebook.com\/sejuku2013","article_author":"https:\/\/www.facebook.com\/sejuku2013\/","article_published_time":"2017-04-13T01:37:24+00:00","article_modified_time":"2024-05-06T02:41:31+00:00","og_image":[{"width":700,"height":400,"url":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/shutterstock_595820321.jpg","type":"image\/jpeg"}],"author":"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8","twitter_card":"summary_large_image","twitter_creator":"@https:\/\/twitter.com\/samuraijuku","twitter_site":"@samuraijuku","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.sejuku.net\/blog\/20355#article","isPartOf":{"@id":"https:\/\/www.sejuku.net\/blog\/20355"},"author":{"name":"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8","@id":"https:\/\/www.sejuku.net\/blog\/#\/schema\/person\/e8ca7fd09857a736a25e6b4455a3ab61"},"headline":"Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\u89e3\u8aac\uff01","datePublished":"2017-04-13T01:37:24+00:00","dateModified":"2024-05-06T02:41:31+00:00","mainEntityOfPage":{"@id":"https:\/\/www.sejuku.net\/blog\/20355"},"wordCount":306,"publisher":{"@id":"https:\/\/www.sejuku.net\/blog\/#organization"},"image":{"@id":"https:\/\/www.sejuku.net\/blog\/20355#primaryimage"},"thumbnailUrl":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/shutterstock_595820321.jpg","keywords":["Java"],"articleSection":["Java\u5b66\u7fd2"],"inLanguage":"ja"},{"@type":"WebPage","@id":"https:\/\/www.sejuku.net\/blog\/20355","url":"https:\/\/www.sejuku.net\/blog\/20355","name":"Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\u89e3\u8aac\uff01 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0","isPartOf":{"@id":"https:\/\/www.sejuku.net\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.sejuku.net\/blog\/20355#primaryimage"},"image":{"@id":"https:\/\/www.sejuku.net\/blog\/20355#primaryimage"},"thumbnailUrl":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/shutterstock_595820321.jpg","datePublished":"2017-04-13T01:37:24+00:00","dateModified":"2024-05-06T02:41:31+00:00","description":"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\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","breadcrumb":{"@id":"https:\/\/www.sejuku.net\/blog\/20355#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.sejuku.net\/blog\/20355"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.sejuku.net\/blog\/20355#primaryimage","url":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/shutterstock_595820321.jpg","contentUrl":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/shutterstock_595820321.jpg","width":700,"height":400},{"@type":"BreadcrumbList","@id":"https:\/\/www.sejuku.net\/blog\/20355#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.sejuku.net\/blog\/"},{"@type":"ListItem","position":2,"name":"Java\u306eList\u578b\u3068\u306f\uff01\uff1fArrayList\u306e\u4f7f\u3044\u65b9\u3092\u57fa\u790e\u306e\u57fa\u790e\u304b\u3089\u89e3\u8aac\uff01"}]},{"@type":"WebSite","@id":"https:\/\/www.sejuku.net\/blog\/#website","url":"https:\/\/www.sejuku.net\/blog\/","name":"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0","description":"\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5b66\u7fd2\u306e\u3059\u3079\u3066\u304c\u30b3\u30b3\u306b\u3002","publisher":{"@id":"https:\/\/www.sejuku.net\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.sejuku.net\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Organization","@id":"https:\/\/www.sejuku.net\/blog\/#organization","name":"\u682a\u5f0f\u4f1a\u793eSAMURAI","url":"https:\/\/www.sejuku.net\/blog\/","logo":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.sejuku.net\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2023\/07\/logo.png","contentUrl":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2023\/07\/logo.png","width":600,"height":600,"caption":"\u682a\u5f0f\u4f1a\u793eSAMURAI"},"image":{"@id":"https:\/\/www.sejuku.net\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/sejuku2013","https:\/\/x.com\/samuraijuku","https:\/\/www.youtube.com\/channel\/UCCFOQO5aDK0xXam4cUQXT8g\/featured"]},{"@type":"Person","@id":"https:\/\/www.sejuku.net\/blog\/#\/schema\/person\/e8ca7fd09857a736a25e6b4455a3ab61","name":"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/secure.gravatar.com\/avatar\/507c280c5c67d2c11fec4fdba20e5bf1ec2fe91f9deb42d2ec50382778b311bf?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/507c280c5c67d2c11fec4fdba20e5bf1ec2fe91f9deb42d2ec50382778b311bf?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/507c280c5c67d2c11fec4fdba20e5bf1ec2fe91f9deb42d2ec50382778b311bf?s=96&d=mm&r=g","caption":"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8"},"description":"\u3010\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u3011 DX\u8a8d\u5b9a\u53d6\u5f97\u4e8b\u696d\u8005\u306b\u9078\u5b9a\u3055\u308c\u3066\u3044\u308b\u682a\u5f0f\u4f1a\u793eSAMURAI\u306e\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30fb\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u90e8\u304c\u904b\u55b6\u3002\u300c\u8cea\u306e\u9ad8\u3044IT\u6559\u80b2\u3092\u3001\u3059\u3079\u3066\u306e\u4eba\u306b\u300d\u3092\u30df\u30c3\u30b7\u30e7\u30f3\u306b\u3001IT\u30fb\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u5b66\u3073\u59cb\u3081\u305f\u521d\u5b66\u8005\u306e\u65b9\u306b\u5411\u3051\u8a18\u4e8b\u3092\u57f7\u7b46\u3002 \u7d2f\u8a08\u6307\u5c0e\u8005\u65704\u4e075,000\u540d\u4ee5\u4e0a\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u300c\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u300d\u3001\u7d2f\u8a08\u767b\u9332\u8005\u65701\u4e078,000\u4eba\u4ee5\u4e0a\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u5b66\u7fd2\u30b5\u30fc\u30d3\u30b9\u300c\u4f8d\u30c6\u30e9\u30b3\u30e4\u300d\u3067\u6271\u3046\u6559\u6750\u958b\u767a\u306e\u30ce\u30a6\u30cf\u30a6\u30012013\u5e74\u306e\u5275\u696d\u304b\u3089\u904b\u55b6\u3067\u5f97\u305f\u77e5\u898b\u306b\u57fa\u3065\u304d\u3001\u8a18\u4e8b\u306e\u57f7\u7b46\u3060\u3051\u3067\u306a\u304f\u7de8\u96c6\u30fb\u76e3\u4fee\u3082\u62c5\u5f53\u3057\u3066\u3044\u307e\u3059\u3002 \u3010\u5c02\u9580\u5206\u91ce\u3011 IT\/Web\u958b\u767a\/AI\u30fb\u30ed\u30dc\u30c3\u30c8\u958b\u767a\/\u30a4\u30f3\u30d5\u30e9\u958b\u767a\/\u30b2\u30fc\u30e0\u958b\u767a\/AI\/Web\u30c7\u30b6\u30a4\u30f3","sameAs":["https:\/\/www.sejuku.net\/","https:\/\/www.facebook.com\/sejuku2013\/","https:\/\/www.instagram.com\/samuraiengineer_official\/","https:\/\/x.com\/https:\/\/twitter.com\/samuraijuku","https:\/\/www.youtube.com\/channel\/UCCFOQO5aDK0xXam4cUQXT8g"],"url":"https:\/\/www.sejuku.net\/blog\/author\/samurai-blog"}]}},"_links":{"self":[{"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/posts\/20355","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/comments?post=20355"}],"version-history":[{"count":0,"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/posts\/20355\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/media\/74906"}],"wp:attachment":[{"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/media?parent=20355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/categories?post=20355"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/tags?post=20355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}