{"id":30989,"date":"2022-11-01T04:30:16","date_gmt":"2023-02-06T01:36:06","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e5%ad%a6%e4%b9%a0java%e5%9f%ba%e7%a1%80\/"},"modified":"2025-08-12T21:45:08","modified_gmt":"2025-08-12T13:45:08","slug":"%e3%80%90java%e3%80%91%e5%ad%a6%e4%b9%a0java%e5%9f%ba%e7%a1%80","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e5%ad%a6%e4%b9%a0java%e5%9f%ba%e7%a1%80\/","title":{"rendered":"\u3010Java\u3011\u5b66\u4e60Java\u57fa\u7840"},"content":{"rendered":"

\u3010Java\u3011\u5b66\u4e60Java\u57fa\u7840\u6211\u5df2\u7ecf\u5b66\u4e60\u4e86\u300c\u987a\u5e8f\u8fdb\u884c\u300d\u3001\u300c\u6761\u4ef6\u5206\u652f\u300d\u548c\u300c\u5faa\u73af\u300d\u3002<\/p>\n

\u6267\u884c<\/p>\n
class<\/span> Hello<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>){<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"Hello\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
Hello\r\n<\/code><\/pre>\n
\u53d8\u91cf<\/p>\n
class<\/span> variable<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> arg<\/span>){<\/span>\r\n        int<\/span> var<\/span> =<\/span> 1<\/span>;<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>var<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
1\r\n<\/code><\/pre>\n
\u6570\u7ec4<\/p>\n
class<\/span> Array<\/span>{<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>final<\/span> String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n        int<\/span>[]<\/span> arr<\/span> =<\/span> new<\/span> int<\/span>[]<\/span> {<\/span> 8<\/span>,<\/span> 12<\/span>,<\/span> 21<\/span> };<\/span>\r\n         System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u671d\u98df\"<\/span> +<\/span> arr<\/span>[<\/span>0<\/span>]<\/span> +<\/span> \"\u6642\u304b\u3089\u3067\u3059\"<\/span>);<\/span>\r\n         System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u663c\u98df\"<\/span> +<\/span> arr<\/span>[<\/span>1<\/span>]<\/span> +<\/span> \"\u6642\u304b\u3089\u3067\u3059\"<\/span>);<\/span>\r\n         System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u591c\u98df\"<\/span> +<\/span> arr<\/span>[<\/span>2<\/span>]<\/span> +<\/span> \"\u6642\u304b\u3089\u3067\u3059\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u671d\u98df8\u6642\u304b\u3089\u3067\u3059\r\n\u663c\u98df12\u6642\u304b\u3089\u3067\u3059\r\n\u591c\u98df21\u6642\u304b\u3089\u3067\u3059\r\n<\/code><\/pre>\n
\u6761\u4ef6\u9009\u62e9<\/p>\n
class<\/span> Age<\/span>{<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>){<\/span>\r\n\r\n      int<\/span> humidity<\/span>;<\/span>\r\n      humidity<\/span> =<\/span> 50<\/span>;<\/span>\r\n\r\n      if<\/span> (<\/span>humidity<\/span> >=<\/span> 60<\/span>){<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u6e7f\u5ea6\u304c\"<\/span> +<\/span> humidity<\/span> +<\/span> \"\uff05\u3067\u3059\"<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u30b8\u30e1\u30b8\u30e1\u3057\u3066\u307e\u3059\"<\/span>);<\/span>\r\n      }<\/span>else<\/span> if<\/span>((<\/span>humidity<\/span> <=<\/span> 60<\/span>)<\/span> &&<\/span> (<\/span>humidity<\/span> >=<\/span> 40<\/span>)){<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u6e7f\u5ea6\u304c\"<\/span> +<\/span> humidity<\/span> +<\/span> \"\uff05\u3067\u3059\"<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u5feb\u9069\u3067\u3059\"<\/span>);<\/span>\r\n      }<\/span>else<\/span> if<\/span>(<\/span>humidity<\/span> <=<\/span> 40<\/span>)<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u6e7f\u5ea6\u304c\"<\/span> +<\/span> humidity<\/span> +<\/span> \"\uff05\u3067\u3059\"<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u30ab\u30e9\u30ab\u30e9\u3057\u3066\u307e\u3059\"<\/span>);<\/span>\r\n      }<\/span>\r\n\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6e7f\u5ea6\u304c50\uff05\u3067\u3059\r\n\u5feb\u9069\u3067\u3059\r\n<\/code><\/pre>\n
2020<\/span>-<\/span>04<\/span>-<\/span>24<\/span> 23<\/span>:<\/span>41<\/span>\r\n\r\npublic<\/span> class<\/span> RelativeHumidity<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>){<\/span>\r\n\r\n      int<\/span> humidity<\/span>;<\/span>\r\n      humidity<\/span> =<\/span> 50<\/span>;<\/span>\r\n\r\n      System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u6e7f\u5ea6\u304c\"<\/span> +<\/span> humidity<\/span> +<\/span> \"\uff05\u3067\u3059\"<\/span>);<\/span>\r\n\r\n      if<\/span> (<\/span>humidity<\/span> >=<\/span> 60<\/span>){<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u30b8\u30e1\u30b8\u30e1\u3057\u3066\u307e\u3059\"<\/span>);<\/span>\r\n      }<\/span>else<\/span> if<\/span>((<\/span>humidity<\/span> <=<\/span> 60<\/span>)<\/span> &&<\/span> (<\/span>humidity<\/span> >=<\/span> 40<\/span>)){<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u5feb\u9069\u3067\u3059\"<\/span>);<\/span>\r\n      }<\/span>else<\/span> if<\/span>(<\/span>humidity<\/span> <=<\/span> 40<\/span>)<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u30ab\u30e9\u30ab\u30e9\u3057\u3066\u307e\u3059\"<\/span>);<\/span>\r\n      }<\/span>\r\n\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u73af\u5883\u5efa\u8bbe
\n\u5728Windows\u4e0a\u5b89\u88c5JDK\u548c\u7f16\u8f91\u5668VSCode\u3002<\/p>\n
\u6587\u732e\u5f15\u7528\u8fd9\u7bc7\u6587\u7ae0\u662f\u6839\u636e\u4ee5\u4e0b\u4fe1\u606f\u5199\u7684\uff1a
\n\u8611\u83c7\u7801\/\u7f16\u7a0b\u5b66\u4e60\u89c6\u9891\u7684YouTuber<\/p>\n","protected":false},"excerpt":{"rendered":"
\u3010Java\u3011\u5b66\u4e60Java\u57fa\u7840\u6211\u5df2\u7ecf\u5b66\u4e60\u4e86\u300c\u987a\u5e8f\u8fdb\u884c\u300d\u3001\u300c\u6761\u4ef6\u5206\u652f\u300d\u548c\u300c\u5faa\u73af\u300d\u3002 \u6267\u884c class Hello  […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30989","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n\u3010Java\u3011\u5b66\u4e60Java\u57fa\u7840 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u3010Java\u3011\u5b66\u4e60Java\u57fa\u7840\u7684\u6280\u672f\u6587\u7ae0\" \/>\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\/\u3010java\u3011\u5b66\u4e60java\u57fa\u7840\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010Java\u3011\u5b66\u4e60Java\u57fa\u7840\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u3010Java\u3011\u5b66\u4e60Java\u57fa\u7840\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010java\u3011\u5b66\u4e60java\u57fa\u7840\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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