{"id":31254,"date":"2022-11-21T20:44:56","date_gmt":"2023-02-22T13:28:10","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bb%8ejava%e7%9a%84%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86%e5%bc%80%e5%a7%8b\/"},"modified":"2025-08-12T23:05:01","modified_gmt":"2025-08-12T15:05:01","slug":"%e4%bb%8ejava%e7%9a%84%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86%e5%bc%80%e5%a7%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bb%8ejava%e7%9a%84%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86%e5%bc%80%e5%a7%8b\/","title":{"rendered":"\u4eceJava\u7684\u57fa\u7840\u77e5\u8bc6\u5f00\u59cb"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u6211\u6b63\u5728\u81ea\u5df1\u5b66\u4e60Java\uff0c\u65e0\u8bba\u662f\u901a\u8fc7Progata\u8fd8\u662f\u5b66\u6821\u3002\u4e3a\u4e86\u5c06\u6240\u5b66\u5185\u5bb9\u8f93\u51fa\u5e76\u52a0\u6df1\u8bb0\u5fc6\uff0c\u6211\u4f1a\u628a\u5b83\u4eec\u603b\u7ed3\u6210\u6587\u7ae0\u3002\u6301\u4e4b\u4ee5\u6052\u5c31\u662f\u529b\u91cf\uff01<\/p>\n

\uff11. \u57fa\u672c\u7ec4\u6210<\/h1>\n

\u30d6\u30ed\u30c3\u30af
\n\uff5b\u3000\u304b\u3089\u3000\uff5d\u307e\u3067\u56f2\u307e\u308c\u3066\u3044\u308b\u90e8\u5206\u3002<\/p>\n

\u30af\u30e9\u30b9
\n\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u884c\u308f\u305b\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u3053\u3068\u306e\u8a2d\u8a08\u56f3\u3002\u30e1\u30bd\u30c3\u30c9\u3084\u5909\u6570\u3068\u3044\u3063\u3066\u90e8\u54c1\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n

\u30e1\u30bd\u30c3\u30c9
\n\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u306e\u6307\u793a\u3084\u547d\u4ee4\u306e\u672c\u4f53\u3002\u3044\u304f\u3064\u304b\u306e\u51e6\u7406\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u3063\u3066\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n

pubulic<\/span> class<\/span> HelloWorld<\/span> {<\/span>\r\n********************<\/span>\u5185\u5074\u304c\u30e1\u30bd\u30c3\u30c9<\/span>***<\/span>\u5916\u5074\u304c\u30af\u30e9\u30b9<\/span>***************<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span> (<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"Hello World!\"<\/span>);<\/span> \/\/\u51e6\u7406\u306e\u6700\u5f8c\u306b\u306f\";\"\u3092\u3064\u3051\u308b\u3002<\/span>\r\n********************<\/span>\u5185\u5074\u304c\u30e1\u30bd\u30c3\u30c9<\/span>***<\/span>\u5916\u5074\u304c\u30af\u30e9\u30b9<\/span>***************<\/span>\r\n}<\/span> \r\n\r\n<\/code><\/pre>\n
\u65b9\u6cd5\uff08\u51fd\u6570\uff09\u5185\u7684\u5904\u7406\u4f1a\u6309\u7167\u4ece\u4e0a\u5230\u4e0b\u7684\u987a\u5e8f\u6267\u884c\u3002<\/p>\n
\u5199\u4f5c\u8f93\u51fa<\/h1>\n
\/\/\u6539\u884c\u3042\u308a<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u79c1\u306e\u540d\u524d\u306f\u30bf\u30ed\u30a6\u3067\u3059\u3002\"<\/span>);<\/span>\r\n\r\n\/\/\u6539\u884c\u306a\u3057<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>print<\/span>(<\/span>\"\u79c1\u306e\u540d\u524d\u306f\u30bf\u30ed\u30a6\u3067\u3059\u3002\"<\/span>);<\/span>\r\n\r\n\/\/\u66f8\u5f0f\u3092\u6307\u5b9a<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>printf<\/span>(<\/span>\"\u79c1\u306e\u540d\u524d\u306f%s\u3067\u3059\u3002\"<\/span>,<\/span>\"\u30bf\u30ed\u30a6\"<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u203b \u66f8\u5f0f\u6307\u5b9a\u5b50\u8fd8\u6709\u8bb8\u591a…
\n%s \uff1a\u5b57\u7b26\u4e32\u6570\u636e
\n%f \uff1a\u6d6e\u70b9\u6570\u6570\u636e
\n%d \uff1a\u6574\u6570\u6570\u636e
\n%+ \uff1a\u663e\u793a\u7b26\u53f7
\n%0 \uff1a\u6570\u636e\u524d\u9762\u663e\u793a\u96f6
\n%5 \uff1a\u6700\u5c0f\u663e\u793a5\u4e2a\u5b57\u7b26\uff0c\u5305\u62ec\u5c0f\u6570\u70b9
\n%5.2 \uff1a\u663e\u793a\u6574\u6570\u90e8\u52065\u4f4d\uff08\u542b\u7a7a\u683c\uff09\uff0c\u5c0f\u6570\u90e8\u52062\u4f4d<\/p>\n
\u8bc4\u8bba<\/h1>\n
\/\/ \u2190\u51e6\u7406\u306b\u95a2\u4fc2\u306a\u3044\u3051\u3069\u3001\u30b3\u30fc\u30c9\u3092\u4eba\u9593\u304c\u308f\u304b\u308a\u3084\u3059\u304f\u3059\u308b\u3082\u306e\u3002\r\n\/\/\u3000\u5148\u982d\u306b\/\/\u3092\u66f8\u304f\u3060\u3051\uff01\r\n\/\/ \u79c1\u306f\u30b3\u30fc\u30c9\u3092\u8a66\u3057\u306b\u5b9f\u884c\u3057\u3066\u898b\u305f\u3044\u3068\u304d\u306b\u3001\u7121\u8996\u3057\u3066\u307b\u3057\u3044\u51e6\u7406\u306e\u524d\u306b\u66f8\u3044\u3066\u4f7f\u3046\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\r\n\r\n\/*\u8907\u6570\u884c\u306e\u30b3\u30e1\u30f3\u30c8*\/\r\n\/*---------------------\r\n \u8907\u6570\u884c\u306e\u30b3\u30e1\u30f3\u30c8\r\n\u3000-----------------------*\/\r\n<\/code><\/pre>\n
\u53d8\u91cf\u548c\u5e38\u6570<\/h1>\n
\u53d8\u91cf<\/h3>\n
\u5b58\u50a8\u6570\u636e\uff0c\u5982\u6570\u5b57\u3001\u5b57\u7b26\u4e32\u7b49\u7684\u5730\u65b9\u3002\u7c7b\u4f3c\u4e8e\u76d2\u5b50\u7684\u6982\u5ff5\u3002<\/p>\n
    \n
  • \n
      \u4f7f\u7528\u65b9\u6cd5<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \n
      • \n
          \u2460\u5909\u6570\u3092\u5ba3\u8a00<\/ul>\n<\/li>\n<\/ul>\n
           <\/p>\n
            \u2461\u5909\u6570\u3078\u306e\u4ee3\u5165<\/ul>\n
            String<\/span> name<\/span>;<\/span> \/\/\uff08\u30c7\u30fc\u30bf\u578b\uff09+\uff08\u5909\u6570\u540d\uff09\u3067\u5ba3\u8a00<\/span>\r\nname<\/span> =<\/span> \"\u5c71\u7530\"<\/span>;<\/span> \/\/name\u306b\"\u5c71\u7530\"\u3092\u683c\u7d0d<\/span>\r\n\r\nString<\/span> name<\/span> =<\/span> \"\u5c71\u7530\"<\/span>;<\/span> \/\/\u540c\u6642\u306b\u3067\u304d\u308b<\/span>\r\n<\/code><\/pre>\n
              \n
            • \n
                \u30eb\u30fc\u30eb<\/ul>\n<\/li>\n<\/ul>\n
                 <\/p>\n
                  \n
                • \n
                    \u5927\u6587\u5b57\u3068\u5c0f\u6587\u5b57\u3001\u5168\u89d2\u3068\u534a\u89d2\u306a\u3069\u306f\u5b8c\u5168\u306b\u533a\u5225\u3055\u308c\u308b\u306e\u3067\u8981\u6ce8\u610f\u3002Name\u3068name\u306a\u3069\u7d1b\u3089\u308f\u3057\u3044\u306e\u3067\u6df7\u5728\u3055\u305b\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u306e\u304c\u57fa\u672c\u3002<\/ul>\n<\/li>\n<\/ul>\n
                     <\/p>\n
                      \n
                    • \n
                        \u4e00\u3064\u306e\u30d6\u30ed\u30c3\u30af\u306e\u4e2d\u3067\u540c\u3058\u5909\u6570\u540d\u306f\u4f7f\u3048\u306a\u3044\u3002\u30d6\u30ed\u30c3\u30af\u304c\u9055\u3048\u3070\u4f7f\u3048\u308b\u304c\u3001\u7d1b\u3089\u308f\u3057\u3044\u306e\u3067\u57fa\u672c\u306f\u5909\u3048\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n
                         <\/p>\n
                          \n
                        • \n
                            \u4e2d\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u304c\u308f\u304b\u308a\u3084\u3059\u304f\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n
                             <\/p>\n
                              \n
                            • \n
                                \u4f8b\uff09<\/ul>\n<\/li>\n<\/ul>\n
                                 <\/p>\n
                                  \n
                                • \n
                                    \u756a\u53f7\u2192num<\/ul>\n<\/li>\n<\/ul>\n
                                     <\/p>\n
                                      \n
                                    • \n
                                        \u5408\u8a08\u5024\u2192sum<\/ul>\n<\/li>\n<\/ul>\n
                                         <\/p>\n
                                          \n
                                        • \n
                                            \u5e74\u9f62\u2192age<\/ul>\n<\/li>\n<\/ul>\n
                                             <\/p>\n
                                              String\u3084pubulic\u306a\u3069\u3001\u3059\u3067\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u5358\u8a9e\uff08\u4e88\u7d04\u8a9e\uff09\u306f\u4f7f\u7528\u3067\u304d\u306a\u3044\u3002<\/ul>\n
                                              \u786e\u5b9a\u7684\u6570\u91cf<\/h3>\n
                                              \u8ba9\u53d8\u91cf\u65e0\u6cd5\u66f4\u65b0\u5b58\u50a8\u7684\u503c\u3002<\/p>\n
                                                \n
                                              • \n
                                                  \u4f7f\u7528\u65b9\u6cd5<\/ul>\n<\/li>\n<\/ul>\n
                                                   <\/p>\n
                                                    \n
                                                  • \n
                                                      \u3000\u30c7\u30fc\u30bf\u578b\u306e\u524d\u306b”final”\u3092\u3064\u3051\u308b\u3002\u3042\u3068\u306f\u5909\u6570\u3068\u540c\u3058\u3002<\/ul>\n<\/li>\n<\/ul>\n
                                                       <\/p>\n
                                                        \n
                                                      • \n
                                                          \u30eb\u30fc\u30eb<\/ul>\n<\/li>\n<\/ul>\n
                                                           <\/p>\n
                                                            \u3000\u5b9a\u6570\u540d\u306f\u3059\u3079\u3066\u5927\u6587\u5b57\u306b\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3002\u3042\u3068\u306f\u5909\u6570\u3068\u540c\u3058\u3002<\/ul>\n
                                                            final<\/span> String<\/span> NAME<\/span> =<\/span> \"\u5c71\u7530\"<\/span>;<\/span>\r\n<\/code><\/pre>\n
                                                            \u9038\u51fa\u5e8f\u5217<\/h1>\n
                                                            \u7279\u6b8a\u5b57\u7b26
                                                            \n\u00a5t\uff1a\u6c34\u5e73\u5236\u8868\u7b26
                                                            \n\u00a5n\uff1a\u6362\u884c\u7b26
                                                            \n\u00a5r\uff1a\u56de\u8f66\u7b26
                                                            \n\u00a5f\uff1a\u6362\u9875\u7b26
                                                            \n\u00a5\u00a5\uff1a\u65e5\u5143\u7b26\u53f7
                                                            \n\u00a5’\uff1a\u5355\u5f15\u53f7
                                                            \n\u00a5”\uff1a\u53cc\u5f15\u53f7<\/p>\n","protected":false},"excerpt":{"rendered":"
                                                            \u9996\u5148 \u6211\u6b63\u5728\u81ea\u5df1\u5b66\u4e60Java\uff0c\u65e0\u8bba\u662f\u901a\u8fc7Progata\u8fd8\u662f\u5b66\u6821\u3002\u4e3a\u4e86\u5c06\u6240\u5b66\u5185\u5bb9\u8f93\u51fa\u5e76\u52a0\u6df1\u8bb0\u5fc6\uff0c\u6211\u4f1a\u628a\u5b83\u4eec\u603b\u7ed3\u6210 […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-31254","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n\u4eceJava\u7684\u57fa\u7840\u77e5\u8bc6\u5f00\u59cb - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u4eceJava\u7684\u57fa\u7840\u77e5\u8bc6\u5f00\u59cb\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\/\u4ecejava\u7684\u57fa\u7840\u77e5\u8bc6\u5f00\u59cb\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4eceJava\u7684\u57fa\u7840\u77e5\u8bc6\u5f00\u59cb\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u4eceJava\u7684\u57fa\u7840\u77e5\u8bc6\u5f00\u59cb\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4ecejava\u7684\u57fa\u7840\u77e5\u8bc6\u5f00\u59cb\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-02-22T13:28:10+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-12T15:05:01+00:00\" \/>\n<meta name=\"author\" content=\"\u6587, \u7fd4\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6587, \u7fd4\" \/>\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\/%e4%bb%8ejava%e7%9a%84%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86%e5%bc%80%e5%a7%8b\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bb%8ejava%e7%9a%84%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86%e5%bc%80%e5%a7%8b\/\",\"name\":\"\u4eceJava\u7684\u57fa\u7840\u77e5\u8bc6\u5f00\u59cb - 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