{"id":202867,"date":"2025-05-22T10:50:02","date_gmt":"2025-05-22T02:50:02","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202867\/"},"modified":"2025-05-22T10:50:02","modified_gmt":"2025-05-22T02:50:02","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-java-%e4%b8%ad%e5%a3%b0%e6%98%8e%e5%85%ac%e6%9c%89%e5%87%bd%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202867\/","title":{"rendered":"\u5982\u4f55\u5728 Java \u4e2d\u58f0\u660e\u516c\u6709\u51fd\u6570\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u5728 Java \u4e2d\u58f0\u660e\u516c\u6709\u51fd\u6570\uff1f<\/h1>\n<p>\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u5728 Java \u4e2d\u58f0\u660e\u516c\u6709\u51fd\u6570\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01<\/p>\n<p>\u5728 Java \u4e2d\u58f0\u660e\u516c\u6709\u51fd\u6570\u7684\u6b65\u9aa4\uff1a1. \u5728\u51fd\u6570\u7684\u8bbf\u95ee\u4fee\u9970\u7b26\u524d\u6dfb\u52a0\u5173\u952e\u5b57 public\u30022. \u4f8b\u5982\uff0cpublic void printHello() \u5b9a\u4e49\u4e86\u4e00\u4e2a\u516c\u6709\u51fd\u6570 printHello()\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729952903671cfc871d9cc.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u58f0\u660e\u516c\u6709\u51fd\u6570\uff1f<\/strong><\/p>\n<p>\u5728 Java \u4e2d\u58f0\u660e\u516c\u6709\u51fd\u6570\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u5728\u51fd\u6570\u7684\u8bbf\u95ee\u4fee\u9970\u7b26\u524d\u6dfb\u52a0\u5173\u952e\u5b57 <code>public<\/code> \u5373\u53ef\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<pre>public &lt;returnType&gt; &lt;functionName&gt;(&lt;parameters&gt;) {\n  \/\/ \u51fd\u6570\u4f53\n}<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5982\u4f55\u5728 Java \u4e2d\u58f0\u660e\u516c\u5171\u51fd\u6570\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>public class MyClass {\n\n    public void printHello() {\n        System.out.println(\"Hello World!\");\n    }\n\n    public static void main(String[] args) {\n        MyClass myClass = new MyClass();\n        myClass.printHello(); \/\/ \u8c03\u7528\u516c\u6709\u51fd\u6570\n    }\n}<\/pre>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a <code>MyClass<\/code> \u7684\u7c7b\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e2a\u516c\u5171\u51fd\u6570 <code>printHello()<\/code>. \u5728 <code>main()<\/code> \u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a <code>MyClass<\/code> \u5b9e\u4f8b\u5e76\u8c03\u7528\u5176\u516c\u6709\u51fd\u6570 <code>printHello()<\/code>\uff0c\u8be5\u51fd\u6570\u4f1a\u6253\u5370 &#8220;Hello World!&#8221; \u5230\u63a7\u5236\u53f0\u3002<\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u516c\u5171\u51fd\u6570\u5bf9\u4efb\u4f55\u7c7b\uff08\u5305\u62ec\u5b50\u7c7b\uff09\u90fd\u662f\u53ef\u89c1\u7684\u3002<\/li>\n<li>\u5173\u952e\u5b57 <code>public<\/code> \u53ea\u80fd\u7528\u4e8e\u7c7b\u3001\u65b9\u6cd5\u548c\u5b57\u6bb5\u3002<\/li>\n<li>Java \u4e2d\u7684\u5176\u4ed6\u8bbf\u95ee\u4fee\u9970\u7b26\u5305\u62ec <code>protected<\/code>\u3001<code>default<\/code> \u548c <code>private<\/code>\u3002<\/li>\n<\/ul>\n<p>\u672c\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u5728 Java \u4e2d\u58f0\u660e\u516c\u6709\u51fd\u6570\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5728 Java \u4e2d\u58f0\u660e\u516c\u6709\u51fd\u6570&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-202867","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202867","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202867"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202867\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202867"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202867"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}