{"id":101055,"date":"2024-03-22T03:24:24","date_gmt":"2024-03-21T18:24:24","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%aefloor%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%af%ef%bc%9f\/"},"modified":"2024-04-04T02:45:08","modified_gmt":"2024-04-03T17:45:08","slug":"java%e3%81%aefloor%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%aefloor%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%af%ef%bc%9f\/","title":{"rendered":"java\u306efloor\u95a2\u6570\u306e\u4f7f\u3044\u65b9\u306f\uff1f"},"content":{"rendered":"<p>Java\u3067\u306f\u3001floor\u95a2\u6570\u306fMath\u30af\u30e9\u30b9\u306e\u9759\u7684\u30e1\u30bd\u30c3\u30c9\u3067\u3001\u5f15\u6570\u4ee5\u4e0b\u306e\u6700\u5927\u306e\u6574\u6570\u3092\u8fd4\u3057\u307e\u3059\u3002\u305d\u306e\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">double<\/span> <span class=\"hljs-title function_\">floor<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">double<\/span> d)<\/span>\r\n<\/code><\/pre>\n<p>\u5176\u4e2d\uff0cd\u662f\u4e00\u4e2a\u6d6e\u70b9\u6570\u53c2\u6570\u3002\u8fd9\u4e2a\u65b9\u6cd5\u5c06\u8fd4\u56de\u4e00\u4e2a\u5c0f\u4e8e\u6216\u7b49\u4e8ed\u7684\u6700\u5927\u6574\u6570\u3002\u8fd4\u56de\u503c\u662f\u4e00\u4e2adouble\u7c7b\u578b\u7684\u503c\uff0c\u4f46\u662f\u5b83\u7684\u5c0f\u6570\u90e8\u5206\u603b\u662f\u4e3a0\u3002<\/p>\n<p>\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3092floor\u95a2\u6570\u3067\u4e38\u3081\u308b\u306a\u3069<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">double<\/span> <span class=\"hljs-variable\">num1<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-number\">2.7<\/span>;\r\n<span class=\"hljs-type\">double<\/span> <span class=\"hljs-variable\">num2<\/span> <span class=\"hljs-operator\">=<\/span> -<span class=\"hljs-number\">3.4<\/span>;\r\n\r\n<span class=\"hljs-type\">double<\/span> <span class=\"hljs-variable\">result1<\/span> <span class=\"hljs-operator\">=<\/span> Math.floor(num1);\r\n<span class=\"hljs-type\">double<\/span> <span class=\"hljs-variable\">result2<\/span> <span class=\"hljs-operator\">=<\/span> Math.floor(num2);\r\n\r\nSystem.out.println(result1);  <span class=\"hljs-comment\">\/\/ \u8f93\u51fa\uff1a2.0<\/span>\r\nSystem.out.println(result2);  <span class=\"hljs-comment\">\/\/ \u8f93\u51fa\uff1a-4.0<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001floor\u95a2\u6570\u306f2.7\u3068-3.4\u3092\u305d\u308c\u305e\u308c\u6574\u6570\u306b\u4e38\u3081\u3001\u305d\u308c\u305e\u308c2.0\u3068-4.0\u306e\u7d50\u679c\u3092\u8fd4\u3057\u307e\u3059\u3002\u5c0f\u6570\u70b9\u4ee5\u4e0b\u306e\u6570\u304c\u3044\u304f\u3089\u3067\u3042\u3063\u3066\u3082\u3001floor\u95a2\u6570\u306f\u5e38\u306b\u5143\u306e\u5024\u4ee5\u4e0b\u306e\u6700\u5927\u306e\u6574\u6570\u5024\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067\u306f\u3001floor\u95a2\u6570\u306fMath\u30af\u30e9\u30b9\u306e\u9759\u7684\u30e1\u30bd\u30c3\u30c9\u3067\u3001\u5f15\u6570\u4ee5\u4e0b\u306e\u6700\u5927\u306e\u6574\u6570\u3092\u8fd4\u3057\u307e\u3059\u3002\u305d\u306e\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 double floor(double d) \u5176\u4e2d\uff0cd\u662f\u4e00\u4e2a\u6d6e\u70b9\u6570\u53c2\u6570\u3002\u8fd9\u4e2a\u65b9\u6cd5\u5c06\u8fd4\u56de\u4e00\u4e2a\u5c0f\u4e8e\u6216\u7b49 [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-101055","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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