{"id":134598,"date":"2024-03-26T08:23:10","date_gmt":"2024-03-25T23:23:10","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e6%96%87%e5%ad%97%e5%88%97%e3%81%ae%e9%95%b7%e3%81%95%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95-2\/"},"modified":"2024-04-06T00:32:52","modified_gmt":"2024-04-05T15:32:52","slug":"java%e3%81%a7%e6%96%87%e5%ad%97%e5%88%97%e3%81%ae%e9%95%b7%e3%81%95%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e6%96%87%e5%ad%97%e5%88%97%e3%81%ae%e9%95%b7%e3%81%95%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95-2\/","title":{"rendered":"Java\u3067\u6587\u5b57\u5217\u306e\u9577\u3055\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>Java\u3067\u306f\u3001\u6587\u5b57\u5217\u306e\u30d0\u30a4\u30c8\u6570\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306bgetBytes()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u6587\u5b57\u5217\u306e\u30d0\u30a4\u30c8\u8868\u73fe\u3092\u542b\u3080\u30d0\u30a4\u30c8\u914d\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306b\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">str<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-string\">\"Hello, World!\"<\/span>;\r\n<span class=\"hljs-type\">byte<\/span>[] bytes = str.getBytes();\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">byteCount<\/span> <span class=\"hljs-operator\">=<\/span> bytes.length;\r\nSystem.out.println(<span class=\"hljs-string\">\"\u5b57\u8282\u6570\uff1a\"<\/span> + byteCount);\r\n<\/code><\/pre>\n<p>\u51fa\u529b\u3092\u751f\u6210\u3059\u308b<\/p>\n<pre class=\"post-pre\"><code>\u5b57\u8282\u6570\uff1a13\r\n<\/code><\/pre>\n<p>getBytes() \u30e1\u30bd\u30c3\u30c9\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u6587\u5b57\u30bb\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u6587\u5b57\u5217\u3092\u30d0\u30a4\u30c8\u914d\u5217\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u7279\u5b9a\u306e\u6587\u5b57\u30bb\u30c3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u306b\u6587\u5b57\u30bb\u30c3\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">str<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-string\">\"\u4f60\u597d\uff0c\u4e16\u754c\uff01\"<\/span>;\r\n<span class=\"hljs-type\">byte<\/span>[] bytes = str.getBytes(<span class=\"hljs-string\">\"UTF-8\"<\/span>);\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">byteCount<\/span> <span class=\"hljs-operator\">=<\/span> bytes.length;\r\nSystem.out.println(<span class=\"hljs-string\">\"\u5b57\u8282\u6570\uff1a\"<\/span> + byteCount);\r\n<\/code><\/pre>\n<p>\u30cd\u30a4\u30c6\u30a3\u30d6\u306e\u65e5\u672c\u8a9e\u306b\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\u3064\u304e\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>\u5b57\u8282\u6570\uff1a15\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067\u306f\u3001\u6587\u5b57\u5217\u306e\u30d0\u30a4\u30c8\u6570\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306bgetBytes()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u6587\u5b57\u5217\u306e\u30d0\u30a4\u30c8\u8868\u73fe\u3092\u542b\u3080\u30d0\u30a4\u30c8\u914d\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002 \u4ee5\u4e0b\u306b\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u793a\u3057\u307e\u3059\u3002 String str = &#8220;He [&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-134598","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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