{"id":87946,"date":"2024-03-21T09:06:27","date_gmt":"2024-03-21T00:06:27","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/%e9%85%8d%e5%88%97%e3%82%92-java-%e3%81%a7%e3%83%9e%e3%83%bc%e3%82%b8%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2024-03-28T06:42:54","modified_gmt":"2024-03-27T21:42:54","slug":"%e9%85%8d%e5%88%97%e3%82%92-java-%e3%81%a7%e3%83%9e%e3%83%bc%e3%82%b8%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/%e9%85%8d%e5%88%97%e3%82%92-java-%e3%81%a7%e3%83%9e%e3%83%bc%e3%82%b8%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u914d\u5217\u3092 Java \u3067\u30de\u30fc\u30b8\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>Java\u3067\u306f\u3001System.arraycopy()\u30e1\u30bd\u30c3\u30c9\u3068Arrays.copyOf()\u30e1\u30bd\u30c3\u30c9\u306e\u3069\u3061\u3089\u304b\u3092\u4f7f\u7528\u3057\u3066\u30012\u3064\u306e\u914d\u5217\u3092\u7d50\u5408\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>System.arraycopy()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\uff12\u3064\u306e\u914d\u5217\u3092\u7d50\u5408\u3059\u308b\u65b9\u6cd5<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">int<\/span>[] array1 = {<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">3<\/span>};\r\n<span class=\"hljs-type\">int<\/span>[] array2 = {<span class=\"hljs-number\">4<\/span>, <span class=\"hljs-number\">5<\/span>, <span class=\"hljs-number\">6<\/span>};\r\n<span class=\"hljs-type\">int<\/span>[] mergedArray = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">int<\/span>[array1.length + array2.length];\r\nSystem.arraycopy(array1, <span class=\"hljs-number\">0<\/span>, mergedArray, <span class=\"hljs-number\">0<\/span>, array1.length);\r\nSystem.arraycopy(array2, <span class=\"hljs-number\">0<\/span>, mergedArray, array1.length, array2.length);\r\n<\/code><\/pre>\n<p>\u65b9\u6cd5 2: \u4f7f\u7528 Arrays.copyOf() \u30e1\u30bd\u30c3\u30c9\u3067 2 \u3064\u306e\u914d\u5217\u3092\u7d50\u5408\u3059\u308b<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">int<\/span>[] array1 = {<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">3<\/span>};\r\n<span class=\"hljs-type\">int<\/span>[] array2 = {<span class=\"hljs-number\">4<\/span>, <span class=\"hljs-number\">5<\/span>, <span class=\"hljs-number\">6<\/span>};\r\n<span class=\"hljs-type\">int<\/span>[] mergedArray = Arrays.copyOf(array1, array1.length + array2.length);\r\nSystem.arraycopy(array2, <span class=\"hljs-number\">0<\/span>, mergedArray, array1.length, array2.length);\r\n<\/code><\/pre>\n<p>\u3044\u305a\u308c\u306e\u624b\u6bb5\u3067\u3082array1 \u914d\u5217\u306e\u5f8c\u308d\u306b array2 \u914d\u5217\u306e\u8981\u7d20\u3092\u7d50\u5408\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067\u306f\u3001System.arraycopy()\u30e1\u30bd\u30c3\u30c9\u3068Arrays.copyOf()\u30e1\u30bd\u30c3\u30c9\u306e\u3069\u3061\u3089\u304b\u3092\u4f7f\u7528\u3057\u3066\u30012\u3064\u306e\u914d\u5217\u3092\u7d50\u5408\u3067\u304d\u307e\u3059\u3002 System.arraycopy()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\uff12\u3064\u306e\u914d\u5217\u3092\u7d50\u5408\u3059 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-87946","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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