{"id":31458,"date":"2022-11-11T05:55:34","date_gmt":"2023-01-01T01:29:30","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84printf%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-29T00:06:47","modified_gmt":"2024-04-28T16:06:47","slug":"java%e7%9a%84printf%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84printf%e6%96%b9%e6%b3%95\/","title":{"rendered":"Java\u7684printf()\u65b9\u6cd5"},"content":{"rendered":"<h1>printf\uff08\uff09\u65b9\u6cd5\u662f\u7528\u4e8e\u683c\u5f0f\u5316\u7684\u65b9\u6cd5\u3002<\/h1>\n<h1>2\uff0c\u6e90\u4ee3\u7801<\/h1>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Main<\/span> <span class=\"o\">{<\/span>\r\n\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\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">printf<\/span><span class=\"o\">(<\/span><span class=\"s\">\"%d This is a format String \"<\/span><span class=\"o\">,<\/span> <span class=\"mi\">123<\/span><span class=\"o\">);<\/span>\r\n\r\n        <span class=\"kt\">boolean<\/span> <span class=\"n\">myBoolean<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">true<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"kt\">char<\/span> <span class=\"n\">myChar<\/span> <span class=\"o\">=<\/span> <span class=\"sc\">'@'<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"nc\">String<\/span> <span class=\"n\">myString<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"hiro\"<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"kt\">int<\/span> <span class=\"n\">myInt<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">50<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"kt\">double<\/span> <span class=\"n\">myDouble<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1000<\/span><span class=\"o\">;<\/span>\r\n\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">printf<\/span><span class=\"o\">(<\/span><span class=\"s\">\"%b\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">myBoolean<\/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\">printf<\/span><span class=\"o\">(<\/span><span class=\"s\">\"%c\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">myChar<\/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\">printf<\/span><span class=\"o\">(<\/span><span class=\"s\">\"%s\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">myString<\/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\">printf<\/span><span class=\"o\">(<\/span><span class=\"s\">\"%d\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">myInt<\/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\">printf<\/span><span class=\"o\">(<\/span><span class=\"s\">\"%f\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">myDouble<\/span><span class=\"o\">);<\/span>\r\n\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">printf<\/span><span class=\"o\">(<\/span><span class=\"s\">\"Hello %10s\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">myString<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/<\/span>\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">printf<\/span><span class=\"o\">(<\/span><span class=\"s\">\"Hello %-10s\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">myString<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/<\/span>\r\n\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">printf<\/span><span class=\"o\">(<\/span><span class=\"s\">\"You have this much money %.2f\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">myDouble<\/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\">printf<\/span><span class=\"o\">(<\/span><span class=\"s\">\"You have this much money %.1f\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">myDouble<\/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\">printf<\/span><span class=\"o\">(<\/span><span class=\"s\">\"You have this much money %f\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">myDouble<\/span><span class=\"o\">);<\/span>\r\n\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">printf<\/span><span class=\"o\">(<\/span><span class=\"s\">\"You have this much money %+f\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">myDouble<\/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\">printf<\/span><span class=\"o\">(<\/span><span class=\"s\">\"You have this much money %020f\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">myDouble<\/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\">printf<\/span><span class=\"o\">(<\/span><span class=\"s\">\"You have this much money %,f\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">myDouble<\/span><span class=\"o\">);<\/span>\r\n\r\n    <span class=\"o\">}<\/span>\r\n\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h1>Java \u6559\u7a0b<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\":white_check_mark:\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d0ce037434c4406be9cc8\/4-11.png\" alt=\":white_check_mark:\" \/><\/div>\n","protected":false},"excerpt":{"rendered":"<p>printf\uff08\uff09\u65b9\u6cd5\u662f\u7528\u4e8e\u683c\u5f0f\u5316\u7684\u65b9\u6cd5\u3002 2\uff0c\u6e90\u4ee3\u7801 public class Main { public s [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31458","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) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java\u7684printf()\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u7684printf\u65b9\u6cd5\/\" \/>\n<meta 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