{"id":31564,"date":"2022-09-12T14:27:00","date_gmt":"2023-05-08T12:48:29","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84double%e7%b1%bb%e5%9e%8b\/"},"modified":"2024-01-15T06:47:44","modified_gmt":"2024-01-14T22:47:44","slug":"java%e7%9a%84double%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84double%e7%b1%bb%e5%9e%8b\/","title":{"rendered":"Java\u7684double\u7c7b\u578b"},"content":{"rendered":"<h3>\u53cc\u7cbe\u5ea6\u7c7b\u578b<\/h3>\n<p>double\u578b\u662f\u5177\u6709\u5c0f\u6570\u90e8\u5206\u7684\u6570\u503c\u7c7b\u578b\u3002<br \/>\nint\u578b\u662f\u6574\u6570\u7c7b\u578b\uff0c\u4f8b\u59821\u6216\u80053\u3002<br \/>\n\u76f8\u6bd4\u4e4b\u4e0b\uff0cdouble\u578b\u5b9a\u4e49\u4e86\u542b\u6709\u5c0f\u6570\u90e8\u5206\u7684\u6570\u503c\uff0c\u4f8b\u59821.2\u6216\u80053.5\u3002<\/p>\n<h4>\u5c0f\u6570\u4e4b\u95f4\u7684\u8ba1\u7b97<\/h4>\n<p>\u8bf7\u628a\u8fd9\u53e5\u8bdd\u7ffb\u8bd1\u6210\u4e2d\u6587\uff1a<br \/>\n\u3010\u4f8b\u3011<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">Main<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kt\">double<\/span> <span class=\"n\">number1<\/span> <span class=\"o\">=<\/span> <span class=\"mf\">8.9<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"kt\">double<\/span> <span class=\"n\">number2<\/span> <span class=\"o\">=<\/span> <span class=\"mf\">1.2<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">number1<\/span> <span class=\"o\">+<\/span> <span class=\"n\">number2<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">number1<\/span> <span class=\"o\">-<\/span> <span class=\"n\">number2<\/span><span class=\"o\">);<\/span>\r\n\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u7684\u4f8b\u5b50\u4e2d\uff0c\u7ed3\u679c\u5c06\u53d8\u4e3a11.1\u548c7.7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u53cc\u7cbe\u5ea6\u7c7b\u578b double\u578b\u662f\u5177\u6709\u5c0f\u6570\u90e8\u5206\u7684\u6570\u503c\u7c7b\u578b\u3002 int\u578b\u662f\u6574\u6570\u7c7b\u578b\uff0c\u4f8b\u59821\u6216\u80053\u3002 \u76f8\u6bd4\u4e4b\u4e0b\uff0cdoubl [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31564","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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