{"id":306225,"date":"2024-05-20T20:04:55","date_gmt":"2024-05-20T12:04:55","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/306225.html"},"modified":"2024-05-20T20:05:08","modified_gmt":"2024-05-20T12:05:08","slug":"java-%e8%af%ad%e8%a8%80%e4%bb%a3%e7%a0%81%e4%b8%ad%e5%a6%82%e4%bd%95%e5%9c%a8-main-%e5%87%bd%e6%95%b0%e4%b9%8b%e5%89%8d%e8%bf%90%e8%a1%8c%e4%bb%a3%e7%a0%81-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/306225.html","title":{"rendered":"java \u8bed\u8a00\u4ee3\u7801\u4e2d\u5982\u4f55\u5728 main \u51fd\u6570\u4e4b\u524d\u8fd0\u884c\u4ee3\u7801"},"content":{"rendered":"

\"java<\/p>\n

\u5728Java\u8bed\u8a00\u4e2d\uff0c\u5982\u679c\u60f3\u8981\u5728mAI<\/a>n\u51fd\u6570\u4e4b\u524d\u8fd0\u884c\u4ee3\u7801\uff0c\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\uff1a\u9759\u6001\u4ee3\u7801\u5757\u3001\u9759\u6001\u53d8\u91cf\u521d\u59cb\u5316\u3001\u5355\u4f8b\u6a21\u5f0f<\/strong>\u3002\u5176\u4e2d\uff0c\u9759\u6001\u4ee3\u7801\u5757<\/strong>\u56e0\u5176\u7b80\u5355\u6613\u7528\u800c\u5e38\u88ab\u91c7\u7528\u3002\u9759\u6001\u4ee3\u7801\u5757\u662f\u5b9a\u4e49\u5728\u7c7b\u5185\u90e8\u7684\u4e00\u4e2a\u9759\u6001\u5757\uff0c\u5f53\u7c7b\u88ab\u52a0\u8f7d\u5230JVM\u65f6\uff0c\u9759\u6001\u4ee3\u7801\u5757\u5c31\u4f1a\u6267\u884c\uff0c\u8fd9\u53d1\u751f\u5728\u4efb\u4f55\u5bf9\u8c61\u521b\u5efa\u4e4b\u524d\uff0c\u5305\u62ecmain\u65b9\u6cd5\u7684\u8c03\u7528\u3002\u8fd9\u610f\u5473\u7740\uff0c\u901a\u8fc7\u5728\u7c7b\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u6216\u591a\u4e2a\u9759\u6001\u4ee3\u7801\u5757\uff0c\u53ef\u4ee5\u5728main\u51fd\u6570\u542f\u52a8\u4e4b\u524d\u8fd0\u884c\u7279\u5b9a\u7684\u521d\u59cb\u5316\u4ee3\u7801\u6216\u9884\u5904\u7406\u4ee3\u7801\u3002<\/p>\n<\/p>\n

\u4e00\u3001 \u9759\u6001\u4ee3\u7801\u5757<\/h3>\n<\/p>\n

\u9759\u6001\u4ee3\u7801\u5757\u4f4d\u4e8e\u7c7b\u5185\uff0c\u4f7f\u7528static\u5173\u952e\u5b57\u58f0\u660e\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u521d\u59cb\u5316\u9759\u6001\u53d8\u91cf\uff0c\u6216\u6267\u884c\u7c7b\u52a0\u8f7d\u65f6\u7684\u4e00\u6b21\u6027\u64cd\u4f5c\u3002\u7531\u4e8e\u9759\u6001\u4ee3\u7801\u5757\u53ea\u5728\u7c7b\u52a0\u8f7d\u65f6\u6267\u884c\u4e00\u6b21\uff0c\u56e0\u6b64\u5b83\u7279\u522b\u9002\u5408\u5b8c\u6210\u5bf9\u7c7b\u7ea7\u8d44\u6e90\u7684\u521d\u59cb\u5316\u5de5\u4f5c\u3002<\/p>\n<\/p>\n

\u4f8b\u5982\uff0c\u5982\u679c\u9700\u8981\u5728\u7a0b\u5e8f\u5f00\u59cb\u8fd0\u884c\u524d\u5c31\u52a0\u8f7d\u914d\u7f6e\u6587\u4ef6\u6216\u521d\u59cb\u5316\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u64cd\u4f5c\u653e\u7f6e\u5728\u9759\u6001\u4ee3\u7801\u5757\u4e2d\u3002\u5f53\u7c7b\u88ab\u52a0\u8f7d\u65f6\uff0c\u8fd9\u4e9b\u9884\u5907\u64cd\u4f5c\u5c31\u5df2\u7ecf\u5b8c\u6210\uff0c\u786e\u4fdd\u4e86main\u65b9\u6cd5\u8fd0\u884c\u65f6\u6240\u9700\u8d44\u6e90\u7684\u53ef\u7528\u6027\u3002<\/p>\n<\/p>\n

\u4e8c\u3001 \u9759\u6001\u53d8\u91cf\u521d\u59cb\u5316<\/h3>\n<\/p>\n

\u9664\u4e86\u9759\u6001\u4ee3\u7801\u5757\u5916\uff0c\u9759\u6001\u53d8\u91cf\u521d\u59cb\u5316\u4e5f\u662f\u5728main\u51fd\u6570\u4e4b\u524d\u6267\u884c\u7684\u4ee3\u7801\u90e8\u5206\u3002\u5728\u7c7b\u88ab\u52a0\u8f7d\u65f6\uff0c\u9759\u6001\u53d8\u91cf\u4f1a\u6309\u7167\u58f0\u660e\u7684\u987a\u5e8f\u88ab\u521d\u59cb\u5316\u3002\u901a\u8fc7\u5728\u9759\u6001\u53d8\u91cf\u58f0\u660e\u65f6\u8d4b\u4e88\u5176\u590d\u6742\u7684\u521d\u59cb\u503c\u6216\u8005\u8c03\u7528\u9759\u6001\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8fbe\u5230\u5728main\u65b9\u6cd5\u8fd0\u884c\u524d\u6267\u884c\u7279\u5b9a\u903b\u8f91\u7684\u76ee\u7684\u3002<\/p>\n<\/p>\n

\u4f8b\u5982\uff0c\u53ef\u4ee5\u5229\u7528\u9759\u6001\u53d8\u91cf\u521d\u59cb\u5316\u5757\u6765\u5b9e\u73b0\u590d\u6742\u7684\u914d\u7f6e\u6570\u636e\u88c5\u8f7d\u6216\u6267\u884c\u9759\u6001\u5de5\u5177\u7c7b\u7684\u521d\u59cb\u5316\u6d41\u7a0b\u3002<\/p>\n<\/p>\n

\u4e09\u3001 \u5355\u4f8b\u6a21\u5f0f<\/h3>\n<\/p>\n

\u5355\u4f8b\u6a21\u5f0f\u867d\u7136\u4e3b\u8981\u7528\u4e8e\u4fdd\u8bc1\u4e00\u4e2a\u7c7b\u53ea\u6709\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u4f46\u901a\u8fc7\u9759\u6001\u521d\u59cb\u5316\u5757\uff0c\u5b83\u4e5f\u53ef\u4ee5\u88ab\u7528\u6765\u5728main\u51fd\u6570\u4e4b\u524d\u6267\u884c\u4ee3\u7801\u3002\u5728\u5355\u4f8b\u7c7b\u7684\u5b9e\u73b0\u4e2d\uff0c\u53ef\u4ee5\u5728\u9759\u6001\u521d\u59cb\u5316\u5757\u4e2d\u6dfb\u52a0\u5fc5\u8981\u7684\u9884\u5904\u7406\u64cd\u4f5c\u3002\u8fd9\u4e9b\u64cd\u4f5c\u4f1a\u5728\u5355\u4f8b\u5b9e\u4f8b\u88ab\u521b\u5efa\u4e4b\u524d\u6267\u884c\uff0c\u4ece\u800c\u53ef\u4ee5\u786e\u4fdd\u5728main\u51fd\u6570\u5f00\u59cb\u6267\u884c\u4e4b\u524d\u5b8c\u6210\u7279\u5b9a\u7684\u9884\u5907\u5de5\u4f5c\u3002<\/p>\n<\/p>\n

\u4f8b\u5982\uff0c\u5982\u679c\u6709\u4e00\u4e2a\u914d\u7f6e\u7ba1\u7406\u5668\u7684\u5355\u4f8b\u7c7b\uff0c\u53ef\u4ee5\u5728\u5176\u9759\u6001\u521d\u59cb\u5316\u5757\u4e2d\u52a0\u8f7d\u914d\u7f6e\u6587\u4ef6\uff0c\u4ee5\u786e\u4fdd\u5728\u7a0b\u5e8f\u7684\u4efb\u4f55\u90e8\u5206\u9700\u8981\u914d\u7f6e\u4fe1\u606f\u4e4b\u524d\uff0c\u6240\u9700\u7684\u914d\u7f6e\u5df2\u7ecf\u88ab\u52a0\u8f7d\u3002<\/p>\n<\/p>\n

\u56db\u3001 \u5c0f\u7ed3<\/h3>\n<\/p>\n

\u5728Java\u4e2d\uff0c\u9759\u6001\u4ee3\u7801\u5757\u3001\u9759\u6001\u53d8\u91cf\u521d\u59cb\u5316\u3001\u5355\u4f8b\u6a21\u5f0f\u90fd\u662f\u5728main\u51fd\u6570\u4e4b\u524d\u6267\u884c\u4ee3\u7801\u7684\u6709\u6548\u65b9\u5f0f\u3002\u9759\u6001\u4ee3\u7801\u5757<\/strong>\u4ee5\u5176\u7b80\u6d01\u660e\u4e86\u7684\u7279\u6027\uff0c\u5bf9\u4e8e\u9700\u8981\u5728\u7a0b\u5e8f\u8fd0\u884c\u524d\u5b8c\u6210\u521d\u59cb\u5316\u64cd\u4f5c\u7684\u573a\u666f\u5c24\u5176\u6709\u7528\uff0c\u800c\u9759\u6001\u53d8\u91cf\u7684\u521d\u59cb\u5316\u548c\u5355\u4f8b\u6a21\u5f0f\u63d0\u4f9b\u4e86\u66f4\u591a\u7075\u6d3b\u6027\u548c\u63a7\u5236\u529b\uff0c\u9002\u7528\u4e8e\u66f4\u590d\u6742\u7684\u521d\u59cb\u5316\u9700\u6c42\u3002\u65e0\u8bba\u91c7\u7528\u54ea\u79cd\u65b9\u5f0f\uff0c\u5728\u8bbe\u8ba1\u8fd9\u7c7b\u9884\u6267\u884c\u4ee3\u7801\u65f6\uff0c\u5e94\u6ce8\u610f\u907f\u514d\u521b\u5efa\u4e0d\u5fc5\u8981\u7684\u4f9d\u8d56\u6216\u5f15\u5165\u53ef\u80fd\u5f71\u54cd\u7a0b\u5e8f\u542f\u52a8\u6027\u80fd\u7684\u91cd\u91cf\u7ea7\u64cd\u4f5c\u3002\u6b63\u786e\u4f7f\u7528\u8fd9\u4e9b\u6280\u672f\uff0c\u53ef\u4ee5\u4f7fJava\u7a0b\u5e8f\u7684\u542f\u52a8\u66f4\u52a0\u7075\u6d3b\uff0c\u66f4\u80fd\u6ee1\u8db3\u4e0d\u540c\u573a\u666f\u4e0b\u7684\u9700\u6c42\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

1. \u5982\u4f55\u5728 main \u51fd\u6570\u6267\u884c\u524d\u8fd0\u884c\u4ee3\u7801\uff1f<\/strong>
\n\u5728 Java \u8bed\u8a00\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u9759\u6001\u4ee3\u7801\u5757\u6216\u8005\u9759\u6001\u65b9\u6cd5\u6765\u5728 main \u51fd\u6570\u6267\u884c\u524d\u8fd0\u884c\u4ee3\u7801\u3002\u9759\u6001\u4ee3\u7801\u5757\u662f\u5728\u7c7b\u52a0\u8f7d\u65f6\u6267\u884c\u7684\uff0c\u53ef\u4ee5\u5728\u5176\u4e2d\u7f16\u5199\u9700\u8981\u5728\u7a0b\u5e8f\u542f\u52a8\u524d\u6267\u884c\u7684\u4ee3\u7801\uff0c\u4f46\u662f\u65e0\u6cd5\u4f20\u9012\u53c2\u6570\u3002\u5982\u679c\u9700\u8981\u4f20\u9012\u53c2\u6570\uff0c\u53ef\u4ee5\u5728\u9759\u6001\u4ee3\u7801\u5757\u4e2d\u8c03\u7528\u9759\u6001\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

public class MyClass {\n    \/\/ \u9759\u6001\u4ee3\u7801\u5757\n    static {\n        System.out.println("\u5728 main \u51fd\u6570\u6267\u884c\u524d\u4f1a\u6267\u884c\u8fd9\u91cc\u7684\u4ee3\u7801");\n    }\n    \n    \/\/ \u9759\u6001\u65b9\u6cd5\n    public static void preMain() {\n        System.out.println("\u8fd9\u662f\u5728 main \u51fd\u6570\u6267\u884c\u524d\u8c03\u7528\u7684\u9759\u6001\u65b9\u6cd5");\n    }\n    \n    public static void main(String[] args) {\n        \/\/ \u6267\u884c main \u51fd\u6570\n        System.out.println("\u8fd9\u662f main \u51fd\u6570");\n    }\n}\n<\/code><\/pre>\n
2. \u5982\u4f55\u5728 Java \u4ee3\u7801\u4e2d\u5b9e\u73b0\u5728 main \u51fd\u6570\u4e4b\u524d\u7684\u521d\u59cb\u5316\u64cd\u4f5c\uff1f<\/strong>
\n\u5982\u679c\u5728\u7a0b\u5e8f\u8fd0\u884c\u524d\u9700\u8981\u8fdb\u884c\u4e00\u4e9b\u521d\u59cb\u5316\u64cd\u4f5c\uff0c\u53ef\u4ee5\u4f7f\u7528\u9759\u6001\u4ee3\u7801\u5757\u6216\u8005\u9759\u6001\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002\u9759\u6001\u4ee3\u7801\u5757\u662f\u5728\u7c7b\u52a0\u8f7d\u65f6\u6267\u884c\u7684\uff0c\u53ef\u4ee5\u5728\u5176\u4e2d\u521d\u59cb\u5316\u53d8\u91cf\u3001\u52a0\u8f7d\u914d\u7f6e\u6587\u4ef6\u7b49\u3002\u9759\u6001\u65b9\u6cd5\u5219\u53ef\u4ee5\u5728 main \u51fd\u6570\u6267\u884c\u524d\u88ab\u8c03\u7528\uff0c\u6267\u884c\u4e00\u4e9b\u7279\u5b9a\u7684\u521d\u59cb\u5316\u903b\u8f91\u3002\u5177\u4f53\u4f7f\u7528\u54ea\u79cd\u65b9\u5f0f\u53d6\u51b3\u4e8e\u4f60\u7684\u9700\u6c42\u548c\u8bbe\u8ba1\u3002<\/p>\n
3. \u5982\u4f55\u5229\u7528 Java \u8bed\u8a00\u5728 main \u51fd\u6570\u4e4b\u524d\u6267\u884c\u4e00\u6bb5\u4ee3\u7801\uff1f<\/strong>
\n\u4f60\u53ef\u4ee5\u4f7f\u7528\u9759\u6001\u4ee3\u7801\u5757\u6216\u8005\u9759\u6001\u65b9\u6cd5\u5728 main \u51fd\u6570\u4e4b\u524d\u6267\u884c\u4e00\u6bb5\u4ee3\u7801\u3002\u9759\u6001\u4ee3\u7801\u5757\u662f\u5728\u7c7b\u52a0\u8f7d\u65f6\u6267\u884c\u7684\uff0c\u53ef\u4ee5\u5728\u5176\u4e2d\u7f16\u5199\u9700\u8981\u5728\u7a0b\u5e8f\u542f\u52a8\u524d\u6267\u884c\u7684\u4ee3\u7801\u3002\u9759\u6001\u65b9\u6cd5\u5219\u53ef\u4ee5\u5728 main \u51fd\u6570\u6267\u884c\u524d\u8c03\u7528\uff0c\u5b9e\u73b0\u4e00\u4e9b\u521d\u59cb\u5316\u903b\u8f91\u3002\u901a\u8fc7\u8fd9\u4e24\u79cd\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u5728 main \u51fd\u6570\u4e4b\u524d\u8fd0\u884c\u4ee3\u7801\uff0c\u5b8c\u6210\u4e00\u4e9b\u9884\u5904\u7406\u64cd\u4f5c\uff0c\u4f8b\u5982\u521d\u59cb\u5316\u6570\u636e\u5e93\u8fde\u63a5\u3001\u52a0\u8f7d\u914d\u7f6e\u6587\u4ef6\u7b49\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Java\u8bed\u8a00\u4e2d\uff0c\u5982\u679c\u60f3\u8981\u5728mAIn\u51fd\u6570\u4e4b\u524d\u8fd0\u884c\u4ee3\u7801\uff0c\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\uff1a\u9759\u6001\u4ee3\u7801\u5757\u3001\u9759\u6001\u53d8\u91cf\u521d\u59cb\u5316\u3001\u5355\u4f8b\u6a21\u5f0f […]","protected":false},"author":3,"featured_media":306244,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/306225"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=306225"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/306225\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/306244"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=306225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=306225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=306225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}