{"id":73639,"date":"2024-03-20T13:18:55","date_gmt":"2024-03-20T04:18:55","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java-%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e9%9d%9e%e5%90%8c%e6%9c%9f%e3%83%aa%e3%82%af%e3%82%a8%e3%82%b9%e3%83%88%e3%81%ae%e5%ae%9f%e8%a3%85%e6%96%b9%e6%b3%95%e3%82%92%e6%95%99%e3%81%88%e3%81%a6\/"},"modified":"2025-08-11T03:38:00","modified_gmt":"2025-08-10T18:38:00","slug":"java-%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e9%9d%9e%e5%90%8c%e6%9c%9f%e3%83%aa%e3%82%af%e3%82%a8%e3%82%b9%e3%83%88%e3%81%ae%e5%ae%9f%e8%a3%85%e6%96%b9%e6%b3%95%e3%82%92%e6%95%99%e3%81%88%e3%81%a6","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java-%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e9%9d%9e%e5%90%8c%e6%9c%9f%e3%83%aa%e3%82%af%e3%82%a8%e3%82%b9%e3%83%88%e3%81%ae%e5%ae%9f%e8%a3%85%e6%96%b9%e6%b3%95%e3%82%92%e6%95%99%e3%81%88%e3%81%a6\/","title":{"rendered":"Java \u306b\u304a\u3051\u308b\u975e\u540c\u671f\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5b9f\u88c5\u65b9\u6cd5\u3092\u6559\u3048\u3066\u304f\u3060\u3055\u3044\u3002"},"content":{"rendered":"<p>Java\u3067\u306f\u3001\u975e\u540c\u671f\u8981\u6c42\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306b\u3001\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3001\u307e\u305f\u306fFuture\u3068CompletableFuture\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9: \u30b9\u30ec\u30c3\u30c9\u3084ExecutorService\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001\u975e\u540c\u671f\u3067\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3059\u308b\u30b9\u30ec\u30c3\u30c9\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070:<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">Thread<\/span>(() -&gt; {\r\n    <span class=\"hljs-comment\">\/\/ \u5f02\u6b65\u4efb\u52a1\u7684\u4ee3\u7801<\/span>\r\n}).start();\r\n<\/code><\/pre>\n<p>\u307e\u305f\u306fExecutorService\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">ExecutorService<\/span> <span class=\"hljs-variable\">executor<\/span> <span class=\"hljs-operator\">=<\/span> Executors.newFixedThreadPool(<span class=\"hljs-number\">10<\/span>);\r\nexecutor.submit(() -&gt; {\r\n    <span class=\"hljs-comment\">\/\/ \u5f02\u6b65\u4efb\u52a1\u7684\u4ee3\u7801<\/span>\r\n});\r\nexecutor.shutdown();\r\n<\/code><\/pre>\n<ol>\n<li>\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\uff1a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9a\u7fa9\u3057\u3066\u3001\u975e\u540c\u671f\u30bf\u30b9\u30af\u306e\u7d50\u679c\u3092\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u306b\u3088\u3063\u3066\u547c\u3073\u51fa\u3057\u5143\u306b\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\uff1a<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">interface<\/span> <span class=\"hljs-title class_\">AsyncCallback<\/span> {\r\n    <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">onSuccess<\/span><span class=\"hljs-params\">(Object result)<\/span>;\r\n    <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">onFailure<\/span><span class=\"hljs-params\">(Throwable throwable)<\/span>;\r\n}\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">AsyncRequest<\/span> {\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">sendRequest<\/span><span class=\"hljs-params\">(AsyncCallback callback)<\/span> {\r\n        <span class=\"hljs-comment\">\/\/ \u5f02\u6b65\u8bf7\u6c42\u7684\u4ee3\u7801<\/span>\r\n        <span class=\"hljs-keyword\">if<\/span> (success) {\r\n            callback.onSuccess(result);\r\n        } <span class=\"hljs-keyword\">else<\/span> {\r\n            callback.onFailure(exception);\r\n        }\r\n    }\r\n}\r\n\r\n<span class=\"hljs-comment\">\/\/ \u8c03\u7528\u5f02\u6b65\u8bf7\u6c42<\/span>\r\n<span class=\"hljs-type\">AsyncRequest<\/span> <span class=\"hljs-variable\">request<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">AsyncRequest<\/span>();\r\nrequest.sendRequest(<span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">AsyncCallback<\/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_\">onSuccess<\/span><span class=\"hljs-params\">(Object result)<\/span> {\r\n        <span class=\"hljs-comment\">\/\/ \u5904\u7406\u8bf7\u6c42\u6210\u529f\u7684\u7ed3\u679c<\/span>\r\n    }\r\n\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_\">onFailure<\/span><span class=\"hljs-params\">(Throwable throwable)<\/span> {\r\n        <span class=\"hljs-comment\">\/\/ \u5904\u7406\u8bf7\u6c42\u5931\u8d25\u7684\u5f02\u5e38<\/span>\r\n    }\r\n});\r\n<\/code><\/pre>\n<ol>\n<li>Future\u304a\u3088\u3073CompletableFuture\uff1aFuture\u304a\u3088\u3073CompletableFuture\u306f\u3001Java\u3067\u975e\u540c\u671f\u30bf\u30b9\u30af\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u5229\u7528\u3067\u304d\u308b\u30af\u30e9\u30b9\u3067\u3059\u3002Future\u306f\u3001\u975e\u540c\u671f\u8a08\u7b97\u306e\u7d50\u679c\u3092\u8868\u3057\u3001get()\u30e1\u30bd\u30c3\u30c9\u3067\u7d50\u679c\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002CompletableFuture\u306fFuture\u306e\u5b9f\u88c5\u30af\u30e9\u30b9\u3067\u3001\u975e\u540c\u671f\u30bf\u30b9\u30af\u306e\u7d50\u679c\u3092\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3067\u51e6\u7406\u3067\u304d\u307e\u3059\u3002\u4f8b\uff1a<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>CompletableFuture&lt;String&gt; future = CompletableFuture.supplyAsync(() -&gt; {\r\n    <span class=\"hljs-comment\">\/\/ \u5f02\u6b65\u4efb\u52a1\u7684\u4ee3\u7801<\/span>\r\n    <span class=\"hljs-keyword\">return<\/span> result;\r\n});\r\n\r\nfuture.thenAccept(result -&gt; {\r\n    <span class=\"hljs-comment\">\/\/ \u5904\u7406\u5f02\u6b65\u4efb\u52a1\u7684\u7ed3\u679c<\/span>\r\n});\r\n\r\nfuture.exceptionally(throwable -&gt; {\r\n    <span class=\"hljs-comment\">\/\/ \u5904\u7406\u5f02\u6b65\u4efb\u52a1\u7684\u5f02\u5e38<\/span>\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-literal\">null<\/span>;\r\n});\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306f Java \u3067\u975e\u540c\u671f\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u3044\u304f\u3064\u304b\u306e\u65b9\u6cd5\u3067\u3042\u308a\u3001\u5177\u4f53\u7684\u306a\u30cb\u30fc\u30ba\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u65b9\u6cd5\u3092\u9078\u629e\u3057\u3066\u975e\u540c\u671f\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067\u306f\u3001\u975e\u540c\u671f\u8981\u6c42\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306b\u3001\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3001\u307e\u305f\u306fFuture\u3068CompletableFuture\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 \u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9: \u30b9\u30ec\u30c3\u30c9\u3084ExecutorService\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057 [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-73639","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>Java \u306b\u304a\u3051\u308b\u975e\u540c\u671f\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5b9f\u88c5\u65b9\u6cd5\u3092\u6559\u3048\u3066\u304f\u3060\u3055\u3044\u3002 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Java 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