{"id":202682,"date":"2025-05-22T11:33:22","date_gmt":"2025-05-22T03:33:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202682\/"},"modified":"2025-05-22T11:33:22","modified_gmt":"2025-05-22T03:33:22","slug":"%e5%a6%82%e4%bd%95%e5%88%9b%e5%bb%ba-java-%e5%87%bd%e6%95%b0%e5%b9%b6%e4%bc%a0%e9%80%92%e5%8f%82%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202682\/","title":{"rendered":"\u5982\u4f55\u521b\u5efa Java \u51fd\u6570\u5e76\u4f20\u9012\u53c2\u6570\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u521b\u5efa Java \u51fd\u6570\u5e76\u4f20\u9012\u53c2\u6570\uff1f<\/h1>\n<p>\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u5982\u4f55\u521b\u5efa Java \u51fd\u6570\u5e76\u4f20\u9012\u53c2\u6570\uff1f\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/p>\n<p>\u5728 Java \u4e2d\uff0c\u901a\u8fc7\u4f7f\u7528 public static \u5173\u952e\u5b57\u3001\u8fd4\u56de\u503c\u7c7b\u578b\u3001\u51fd\u6570\u540d\u79f0\u548c\u53c2\u6570\u5217\u8868\u6765\u521b\u5efa\u51fd\u6570\u3002\u53c2\u6570\u901a\u8fc7\u503c\u4f20\u9012\uff0c\u901a\u8fc7\u5728\u51fd\u6570\u8c03\u7528\u4e2d\u6307\u5b9a\u503c\u6765\u4f20\u9012\u53c2\u6570\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a calculateSum \u51fd\u6570\uff0c\u63a5\u6536\u4e24\u4e2a\u6570\u5b57\u4f5c\u4e3a\u53c2\u6570\u5e76\u8fd4\u56de\u5b83\u4eec\u7684\u603b\u548c\uff0c\u53ef\u4ee5\u8c03\u7528\u8be5\u51fd\u6570\u5e76\u4f20\u9012\u53c2\u6570\uff1asum = calculateSum(5, 10)\uff0c\u5176\u4e2d sum \u53d8\u91cf\u5b58\u50a8\u51fd\u6570\u8fd4\u56de\u7684\u603b\u548c 15\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729931549671ca91d15244.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u521b\u5efa Java \u51fd\u6570\u5e76\u4f20\u9012\u53c2\u6570<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u51fd\u6570\u4e5f\u88ab\u79f0\u4e3a\u65b9\u6cd5\u3002\u8981\u521b\u5efa\u51fd\u6570\uff0c\u8bf7\u4f7f\u7528 <code>public static<\/code> \u5173\u952e\u5b57\uff0c\u540e\u8ddf\u8fd4\u56de\u503c\u7c7b\u578b\u3001\u51fd\u6570\u540d\u79f0\u548c\u53c2\u6570\u5217\u8868\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<pre>public static &lt;return_type&gt; function_name(parameter_list) {\n    \/\/ \u51fd\u6570\u4f53\n}<\/pre>\n<p><strong>\u4f20\u9012\u53c2\u6570\uff1a<\/strong><\/p>\n<p>\u51fd\u6570\u53c2\u6570\u901a\u8fc7\u503c\u4f20\u9012\uff0c\u8fd9\u610f\u5473\u7740\u5bf9\u53c2\u6570\u7684\u4efb\u4f55\u66f4\u6539\u90fd\u4e0d\u4f1a\u5f71\u54cd\u8c03\u7528\u51fd\u6570\u7684\u53d8\u91cf\u3002\u8981\u4f20\u9012\u53c2\u6570\uff0c\u53ea\u9700\u5728\u51fd\u6570\u8c03\u7528\u4e2d\u6307\u5b9a\u503c\u5373\u53ef\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p>\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a <code>calculateSum<\/code> \u7684\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u63a5\u6536\u4e24\u4e2a\u6570\u5b57\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u5b83\u4eec\u7684\u603b\u548c\uff1a<\/p>\n<pre>public static int calculateSum(int num1, int num2) {\n    return num1 + num2;\n}<\/pre>\n<p>\u73b0\u5728\uff0c\u53ef\u4ee5\u8c03\u7528\u8be5\u51fd\u6570\u5e76\u4f20\u9012\u53c2\u6570\uff1a<\/p>\n<pre>\/\/ \u8c03\u7528 calculateSum \u51fd\u6570\u5e76\u4f20\u9012\u53c2\u6570\nint sum = calculateSum(5, 10);<\/pre>\n<p>\u53d8\u91cf <code>sum<\/code> \u73b0\u5728\u5c06\u5b58\u50a8\u51fd\u6570\u8fd4\u56de\u7684\u603b\u548c\uff0c\u5373 15\u3002<\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u53c2\u6570\u5217\u8868\u4e2d\u7684\u53c2\u6570\u7c7b\u578b\u548c\u987a\u5e8f\u5fc5\u987b\u4e0e\u51fd\u6570\u5b9a\u4e49\u4e2d\u7684\u4e00\u81f4\u3002<\/li>\n<li>\u5982\u679c\u53c2\u6570\u662f\u53ef\u9009\u7684\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528 <code>@Nullable<\/code> \u6ce8\u89e3\u3002<\/li>\n<li>\u5982\u679c\u51fd\u6570\u9700\u8981\u53ef\u53d8\u6570\u91cf\u7684\u53c2\u6570\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528 <code>...<\/code> \u4f5c\u4e3a\u53c2\u6570\u7c7b\u578b\u7684\u6700\u540e\u4e00\u4e2a\u53c2\u6570\u3002<\/li>\n<\/ul>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u521b\u5efa Java \u51fd\u6570\u5e76\u4f20\u9012\u53c2\u6570\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u53c2\u6570\u4f20\u9012,Java\u51fd\u6570\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u521b\u5efa Java \u51fd\u6570\u5e76\u4f20\u9012\u53c2&#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-202682","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202682","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=202682"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202682\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202682"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202682"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202682"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}