{"id":31499,"date":"2023-10-21T11:10:54","date_gmt":"2024-01-27T04:14:09","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8java%e6%8e%a7%e5%88%b6%e5%8f%b0%e4%b8%ad%e7%9a%84%e8%be%93%e5%85%a5\/"},"modified":"2024-05-04T05:19:01","modified_gmt":"2024-05-03T21:19:01","slug":"%e5%9c%a8java%e6%8e%a7%e5%88%b6%e5%8f%b0%e4%b8%ad%e7%9a%84%e8%be%93%e5%85%a5","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8java%e6%8e%a7%e5%88%b6%e5%8f%b0%e4%b8%ad%e7%9a%84%e8%be%93%e5%85%a5\/","title":{"rendered":"\u5728Java\u63a7\u5236\u53f0\u4e2d\u7684\u8f93\u5165"},"content":{"rendered":"<h3>\u5411\u63a7\u5236\u53f0\u8f93\u5165<\/h3>\n<p>\u5728\u63a7\u5236\u53f0\u4e0a\u8f93\u5165\u503c\uff0c\u5e76\u5728\u7a0b\u5e8f\u5185\u90e8\u4f7f\u7528\u8be5\u503c\u3002<br \/>\n\u4e3a\u4e86\u63a5\u6536\u63a7\u5236\u53f0\u8f93\u5165\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u53eb\u505aScanner\u7684\u5e93\u3002<br \/>\nScanner\u5e93\u4f7f\u7528&#8221;import java.util.Scanner&#8221;\u8bed\u53e5\u8fdb\u884c\u5bfc\u5165\u3002<br \/>\n\u3010\u793a\u4f8b\u3011<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">java.util.Scanner<\/span><span class=\"o\">;<\/span>\r\n<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=\"nc\">Scanner<\/span> <span class=\"n\">scanner<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Scanner<\/span><span class=\"o\">(<\/span><span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">in<\/span><span class=\"o\">);<\/span>  <span class=\"c1\">\/\/Scanner\u3067\u521d\u671f\u5316<\/span>\r\n  <span class=\"nc\">String<\/span> <span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"n\">scanner<\/span><span class=\"o\">.<\/span><span class=\"na\">next<\/span><span class=\"o\">();<\/span>  <span class=\"c1\">\/\/\u6587\u5b57\u5217\u306e\u5165\u529b\u306e\u53d7\u3051\u53d6\u308a<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u7528 `new Scanner(System.in)` \u521d\u59cb\u5316\u3002<br \/>\n\u4f7f\u7528 `scanner.next()` \u63a5\u53d7\u5b57\u7b26\u4e32\u8f93\u5165\u3002<\/p>\n<h3>\u5982\u4f55\u4f7f\u7528\u626b\u63cf\u4eea<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5c06Scanner\u521d\u59cb\u5316\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u53d8\u91cfscanner\u3002<br \/>\n\u4f7f\u7528Scanner\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b64\u521d\u59cb\u5316\u53d8\u91cf\u8c03\u7528\u65b9\u6cd5\u3002<br \/>\nscanner.next()\u83b7\u53d6\u4ece\u63a7\u5236\u53f0\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u3002<br \/>\n\u3010\u4f8b\u5b50\u3011<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">java.util.Scanner<\/span><span class=\"o\">;<\/span>\r\n<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=\"nc\">Scanner<\/span> <span class=\"n\">scanner<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Scanner<\/span><span class=\"o\">(<\/span><span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">in<\/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\">print<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u540d\u524d\uff1a \"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"nc\">String<\/span> <span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"n\">scanner<\/span><span class=\"o\">.<\/span><span class=\"na\">next<\/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\">name<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\"\u3055\u3093\"<\/span><span class=\"o\">);<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6267\u884c\u4e0a\u8ff0\u64cd\u4f5c\u540e\uff0c\u4f1a\u51fa\u73b0\u201c\u59d3\u540d\uff1a\u201d\u7684\u63d0\u793a\uff0c\u53ea\u9700\u5728\u90a3\u91cc\u8f93\u5165\u5b57\u7b26\u4e32\uff0c\u5373\u53ef\u8f93\u51fa\u4e3a\u3007\u3007\u5148\u751f\u3002<\/p>\n<h4>\u63a5\u6536\u8f93\u5165\u7684\u6570\u5b57\u65b9\u5f0f<\/h4>\n<p>\u6211\u5c06\u7ee7\u7eed\u4f7f\u7528Scanner\uff0c\u65b9\u6cd5\u4e0e\u4e4b\u524d\u76f8\u540c\u3002<br \/>\n\u63a5\u6536\u6574\u6570\u7684\u65b9\u6cd5\u662f\u4f7f\u7528nextInt\u65b9\u6cd5\uff0c\u63a5\u6536\u5c0f\u6570\u7684\u65b9\u6cd5\u662f\u4f7f\u7528nextDouble\u65b9\u6cd5\u3002<br \/>\n\u3010\u4f8b\u3011<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">java.util.Scanner<\/span><span class=\"o\">;<\/span>\r\n\r\n<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=\"nc\">Scanner<\/span> <span class=\"n\">scanner<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Scanner<\/span><span class=\"o\">(<\/span><span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">in<\/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\">print<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u540d\u524d\uff1a\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"nc\">String<\/span> <span class=\"n\">firstName<\/span> <span class=\"o\">=<\/span> <span class=\"n\">scanner<\/span><span class=\"o\">.<\/span><span class=\"na\">next<\/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\">print<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u540d\u5b57\uff1a\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"nc\">String<\/span> <span class=\"n\">lastName<\/span> <span class=\"o\">=<\/span> <span class=\"n\">scanner<\/span><span class=\"o\">.<\/span><span class=\"na\">next<\/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\">print<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u5e74\u9f62\uff1a\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"kt\">int<\/span> <span class=\"n\">age<\/span> <span class=\"o\">=<\/span> <span class=\"n\">scanner<\/span><span class=\"o\">.<\/span><span class=\"na\">nextInt<\/span><span class=\"o\">();<\/span>  <span class=\"c1\">\/\/nextInt\u30e1\u30bd\u30c3\u30c9\u3067\u6574\u6570\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059<\/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\">print<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u8eab\u9577(m)\uff1a\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"kt\">double<\/span> <span class=\"n\">height<\/span> <span class=\"o\">=<\/span> <span class=\"n\">scanner<\/span><span class=\"o\">.<\/span><span class=\"na\">nextDouble<\/span><span class=\"o\">();<\/span>  <span class=\"c1\">\/\/nextDouble\u30e1\u30bd\u30c3\u30c9\u3067\u5c11\u6570\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059<\/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\">print<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u4f53\u91cd(kg)\uff1a\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"kt\">double<\/span> <span class=\"n\">weight<\/span> <span class=\"o\">=<\/span> <span class=\"n\">scanner<\/span><span class=\"o\">.<\/span><span class=\"na\">nextDouble<\/span><span class=\"o\">();<\/span>\r\n\r\n    <span class=\"nc\">Person<\/span><span class=\"o\">.<\/span><span class=\"na\">printData<\/span><span class=\"o\">(<\/span><span class=\"nc\">Person<\/span><span class=\"o\">.<\/span><span class=\"na\">fullName<\/span><span class=\"o\">(<\/span><span class=\"n\">firstName<\/span><span class=\"o\">,<\/span> <span class=\"n\">lastName<\/span><span class=\"o\">),<\/span> <span class=\"n\">age<\/span><span class=\"o\">,<\/span> <span class=\"n\">height<\/span><span class=\"o\">,<\/span> <span class=\"n\">weight<\/span><span class=\"o\">);<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5411\u63a7\u5236\u53f0\u8f93\u5165 \u5728\u63a7\u5236\u53f0\u4e0a\u8f93\u5165\u503c\uff0c\u5e76\u5728\u7a0b\u5e8f\u5185\u90e8\u4f7f\u7528\u8be5\u503c\u3002 \u4e3a\u4e86\u63a5\u6536\u63a7\u5236\u53f0\u8f93\u5165\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u53eb\u505aScanner [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31499","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>\u5728Java\u63a7\u5236\u53f0\u4e2d\u7684\u8f93\u5165 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, 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content=\"2024-01-27T04:14:09+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-03T21:19:01+00:00\" \/>\n<meta name=\"author\" content=\"\u65b0, \u97f5\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u65b0, \u97f5\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8java%e6%8e%a7%e5%88%b6%e5%8f%b0%e4%b8%ad%e7%9a%84%e8%be%93%e5%85%a5\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8java%e6%8e%a7%e5%88%b6%e5%8f%b0%e4%b8%ad%e7%9a%84%e8%be%93%e5%85%a5\/\",\"name\":\"\u5728Java\u63a7\u5236\u53f0\u4e2d\u7684\u8f93\u5165 - Blog - Silicon 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