{"id":15654,"date":"2024-03-16T01:51:12","date_gmt":"2024-03-15T16:51:12","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/%e5%a4%a7%e9%87%8f%e3%83%87%e3%83%bc%e3%82%bf%e3%82%92%e6%89%b1%e3%81%86%e9%9a%9b%e3%81%aejava%e3%81%ae%e3%83%9e%e3%83%ab%e3%83%81%e3%82%b9%e3%83%ac%e3%83%83%e3%83%89%e5%87%a6%e7%90%86%e6%96%b9\/"},"modified":"2025-08-06T03:33:35","modified_gmt":"2025-08-05T18:33:35","slug":"%e5%a4%a7%e9%87%8f%e3%83%87%e3%83%bc%e3%82%bf%e3%82%92%e6%89%b1%e3%81%86%e9%9a%9b%e3%81%aejava%e3%81%ae%e3%83%9e%e3%83%ab%e3%83%81%e3%82%b9%e3%83%ac%e3%83%83%e3%83%89%e5%87%a6%e7%90%86%e6%96%b9","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/%e5%a4%a7%e9%87%8f%e3%83%87%e3%83%bc%e3%82%bf%e3%82%92%e6%89%b1%e3%81%86%e9%9a%9b%e3%81%aejava%e3%81%ae%e3%83%9e%e3%83%ab%e3%83%81%e3%82%b9%e3%83%ac%e3%83%83%e3%83%89%e5%87%a6%e7%90%86%e6%96%b9\/","title":{"rendered":"\u5927\u91cf\u30c7\u30fc\u30bf\u3092\u6271\u3046\u969b\u306eJava\u306e\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u51e6\u7406\u65b9\u6cd5\u306f\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u304b\u3002"},"content":{"rendered":"<p>\u5927\u91cf\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u969b\u306b\u3001\u51e6\u7406\u52b9\u7387\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u5927\u91cf\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u3067\u3059\uff1a<\/p>\n<ol>\n<li>\u30c7\u30fc\u30bf\u3092\u8907\u6570\u306e\u5c0f\u3055\u306a\u30d0\u30c3\u30c1\u306b\u5206\u5272\u3057\u3001\u5404\u30d0\u30c3\u30c1\u30921\u3064\u306e\u30b9\u30ec\u30c3\u30c9\u3067\u51e6\u7406\u3057\u307e\u3059\u3002\u5404\u5c0f\u3055\u306a\u30d0\u30c3\u30c1\u306e\u30b5\u30a4\u30ba\u306f\u3001\u30c7\u30fc\u30bf\u306e\u7279\u6027\u3084\u51e6\u7406\u30ed\u30b8\u30c3\u30af\u306b\u57fa\u3065\u3044\u3066\u6c7a\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li>\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u3092\u4f5c\u6210\u3057\u3001\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30b9\u30ec\u30c3\u30c9\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u3068\u5b9f\u884c\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002<\/li>\n<li>\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u5185\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u30c7\u30fc\u30bf\u3092\u5272\u308a\u5f53\u3066\u3066\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002execute()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u306b\u30bf\u30b9\u30af\u3092\u9001\u4fe1\u3057\u3001\u5404\u5c0f\u3055\u306a\u30d0\u30c3\u30c1\u51e6\u7406\u3092\u30bf\u30b9\u30af\u3068\u3057\u3066\u30ab\u30d7\u30bb\u30eb\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li>\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u306f\u3001\u6307\u5b9a\u3055\u308c\u305f\u30b9\u30ec\u30c3\u30c9\u6570\u3067\u30bf\u30b9\u30af\u3092\u4e26\u5217\u306b\u5b9f\u884c\u3057\u3001\u8907\u6570\u306e\u5c0f\u3055\u306a\u30c7\u30fc\u30bf\u30d0\u30c3\u30c1\u3092\u51e6\u7406\u3057\u307e\u3059\u3002<\/li>\n<li>\u5168\u3066\u306e\u30bf\u30b9\u30af\u306e\u5b8c\u4e86\u3092\u5f85\u6a5f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u306eawaitTermination()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u5168\u3066\u306e\u30bf\u30b9\u30af\u306e\u5b8c\u4e86\u3092\u5f85\u6a5f\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u4ee5\u4e0b\u306f\u3001\u7c21\u5358\u306a\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> java.util.concurrent.ExecutorService;\r\n<span class=\"hljs-keyword\">import<\/span> java.util.concurrent.Executors;\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">DataProcessor<\/span> {\r\n    <span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">final<\/span> <span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">THREAD_POOL_SIZE<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-number\">10<\/span>;\r\n    <span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">final<\/span> <span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">BATCH_SIZE<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-number\">1000<\/span>;\r\n\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">(String[] args)<\/span> {\r\n        <span class=\"hljs-comment\">\/\/ \u521b\u5efa\u7ebf\u7a0b\u6c60<\/span>\r\n        <span class=\"hljs-type\">ExecutorService<\/span> <span class=\"hljs-variable\">executor<\/span> <span class=\"hljs-operator\">=<\/span> Executors.newFixedThreadPool(THREAD_POOL_SIZE);\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u6a21\u62df\u5927\u6279\u91cf\u6570\u636e<\/span>\r\n        <span class=\"hljs-type\">int<\/span>[] data = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">int<\/span>[<span class=\"hljs-number\">1000000<\/span>];\r\n        <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">i<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-number\">0<\/span>; i &lt; data.length; i++) {\r\n            data[i] = i;\r\n        }\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u5c06\u6570\u636e\u5206\u5272\u6210\u5c0f\u6279\u91cf\u5904\u7406<\/span>\r\n        <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">i<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-number\">0<\/span>; i &lt; data.length; i += BATCH_SIZE) {\r\n            <span class=\"hljs-keyword\">final<\/span> <span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">startIndex<\/span> <span class=\"hljs-operator\">=<\/span> i;\r\n            <span class=\"hljs-keyword\">final<\/span> <span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">endIndex<\/span> <span class=\"hljs-operator\">=<\/span> Math.min(i + BATCH_SIZE, data.length);\r\n\r\n            <span class=\"hljs-comment\">\/\/ \u63d0\u4ea4\u4efb\u52a1\u7ed9\u7ebf\u7a0b\u6c60<\/span>\r\n            executor.execute(<span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">Runnable<\/span>() {\r\n                <span class=\"hljs-meta\">@Override<\/span>\r\n                <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">run<\/span><span class=\"hljs-params\">()<\/span> {\r\n                    processBatch(data, startIndex, endIndex);\r\n                }\r\n            });\r\n        }\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u5173\u95ed\u7ebf\u7a0b\u6c60<\/span>\r\n        executor.shutdown();\r\n\r\n        <span class=\"hljs-keyword\">try<\/span> {\r\n            <span class=\"hljs-comment\">\/\/ \u7b49\u5f85\u6240\u6709\u4efb\u52a1\u5b8c\u6210<\/span>\r\n            executor.awaitTermination(Long.MAX_VALUE, java.util.concurrent.TimeUnit.NANOSECONDS);\r\n        } <span class=\"hljs-keyword\">catch<\/span> (InterruptedException e) {\r\n            e.printStackTrace();\r\n        }\r\n\r\n        System.out.println(<span class=\"hljs-string\">\"All tasks completed\"<\/span>);\r\n    }\r\n\r\n    <span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">processBatch<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">int<\/span>[] data, <span class=\"hljs-type\">int<\/span> startIndex, <span class=\"hljs-type\">int<\/span> endIndex)<\/span> {\r\n        <span class=\"hljs-comment\">\/\/ \u5904\u7406\u5c0f\u6279\u91cf\u6570\u636e<\/span>\r\n        <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">i<\/span> <span class=\"hljs-operator\">=<\/span> startIndex; i &lt; endIndex; i++) {\r\n            <span class=\"hljs-comment\">\/\/ \u5904\u7406\u903b\u8f91<\/span>\r\n            System.out.println(<span class=\"hljs-string\">\"Processing data: \"<\/span> + data[i]);\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u6700\u521d\u306b\u56fa\u5b9a\u6570\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u6301\u3064\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\u6b21\u306b\u3001\u6307\u5b9a\u3055\u308c\u305f\u30d0\u30c3\u30c1\u30b5\u30a4\u30ba\u3067\u30c7\u30fc\u30bf\u3092\u8907\u6570\u306e\u5c0f\u3055\u306a\u30d0\u30c3\u30c1\u306b\u5206\u5272\u3057\u3001\u5404\u30d0\u30c3\u30c1\u30921\u3064\u306e\u30b9\u30ec\u30c3\u30c9\u3067\u51e6\u7406\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001\u3059\u3079\u3066\u306e\u30bf\u30b9\u30af\u304c\u5b8c\u4e86\u3057\u3001\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u304c\u9589\u3058\u3089\u308c\u308b\u306e\u3092\u5f85\u3061\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u91cf\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u969b\u306b\u3001\u51e6\u7406\u52b9\u7387\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u5927\u91cf\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u3067\u3059\uff1a \u30c7\u30fc\u30bf\u3092\u8907\u6570\u306e\u5c0f\u3055\u306a\u30d0\u30c3\u30c1\u306b\u5206\u5272\u3057\u3001\u5404\u30d0\u30c3\u30c1\u30921\u3064\u306e\u30b9\u30ec\u30c3\u30c9\u3067\u51e6\u7406\u3057\u307e\u3059\u3002\u5404\u5c0f\u3055\u306a [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-15654","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5927\u91cf\u30c7\u30fc\u30bf\u3092\u6271\u3046\u969b\u306eJava\u306e\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u51e6\u7406\u65b9\u6cd5\u306f\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u304b\u3002 - Blog - Silicon 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