{"id":202607,"date":"2025-05-22T08:27:12","date_gmt":"2025-05-22T00:27:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202607\/"},"modified":"2025-05-22T08:27:12","modified_gmt":"2025-05-22T00:27:12","slug":"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87java%e5%87%bd%e6%95%b0%e9%87%8d%e8%bd%bd%e7%bb%83%e4%b9%a0%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e7%a8%8b%e5%ba%8f%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202607\/","title":{"rendered":"\u5982\u4f55\u901a\u8fc7Java\u51fd\u6570\u91cd\u8f7d\u7ec3\u4e60\u9762\u5411\u5bf9\u8c61\u7a0b\u5e8f\u8bbe\u8ba1"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u901a\u8fc7Java\u51fd\u6570\u91cd\u8f7d\u7ec3\u4e60\u9762\u5411\u5bf9\u8c61\u7a0b\u5e8f\u8bbe\u8ba1<\/h1>\n<p>\u6587\u7ae0\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300a\u5982\u4f55\u901a\u8fc7Java\u51fd\u6570\u91cd\u8f7d\u7ec3\u4e60\u9762\u5411\u5bf9\u8c61\u7a0b\u5e8f\u8bbe\u8ba1\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><\/p>\n<p>Java \u4e2d\u7684\u51fd\u6570\u91cd\u8f7d\u5141\u8bb8\u6211\u4eec\u521b\u5efa\u5177\u6709\u76f8\u540c\u540d\u79f0\u4f46\u4e0d\u540c\u53c2\u6570\u5217\u8868\u7684\u65b9\u6cd5\u3002\u91cd\u8f7d\u65b9\u6cd5\u53ef\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u91cd\u7528\u6027\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u53c2\u6570\u7c7b\u578b\u6216\u6570\u91cf\u6765\u91cd\u8f7d\u65b9\u6cd5\uff0c\u4ee5\u652f\u6301\u4e0d\u540c\u7684\u7528\u4f8b\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729923277671c88cd45bb1.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java \u51fd\u6570\u91cd\u8f7d\uff1a\u7ec3\u4e60\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b<\/strong><\/p>\n<p>\u51fd\u6570\u91cd\u8f7d\u662f Java \u4e2d\u7684\u4e00\u9879\u5f3a\u5927\u529f\u80fd\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u5728\u4e00\u4e2a\u7c7b\u4e2d\u521b\u5efa\u5177\u6709\u76f8\u540c\u540d\u79f0\u4f46\u4e0d\u540c\u53c2\u6570\u5217\u8868\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u91cd\u8f7d\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u91cd\u7528\u6027\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<p>\u51fd\u6570\u91cd\u8f7d\u58f0\u660e\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>&lt;return_type&gt; &lt;method_name&gt;(&lt;parameter_list&gt;)<\/pre>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li><code>&lt;return_type&gt;<\/code> \u662f\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u7c7b\u578b\u3002<\/li>\n<li><code>&lt;method_name&gt;<\/code> \u662f\u65b9\u6cd5\u7684\u540d\u79f0\u3002<\/li>\n<li><code>&lt;parameter_list&gt;<\/code> \u662f\u65b9\u6cd5\u53c2\u6570\u7684\u5217\u8868\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8ba9\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684 Java \u7a0b\u5e8f\u6765\u6f14\u793a\u51fd\u6570\u91cd\u8f7d\uff1a<\/p>\n<pre>public class AreaCalculator {\n\n    public static double getArea(int length, int width) {\n        return length * width;\n    }\n\n    public static double getArea(int radius) {\n        return Math.PI * radius * radius;\n    }\n\n    public static void main(String[] args) {\n        \/\/ \u8ba1\u7b97\u77e9\u5f62\u7684\u9762\u79ef\n        double rectangleArea = getArea(5, 10);\n        System.out.println(\"\u77e9\u5f62\u7684\u9762\u79ef\uff1a\" + rectangleArea);\n\n        \/\/ \u8ba1\u7b97\u5706\u7684\u9762\u79ef\n        double circleArea = getArea(5);\n        System.out.println(\"\u5706\u7684\u9762\u79ef\uff1a\" + circleArea);\n    }\n}<\/pre>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c<code>getArea<\/code> \u51fd\u6570\u88ab\u91cd\u8f7d\u4e24\u6b21\uff1a\u4e00\u6b21\u7528\u4e8e\u8ba1\u7b97\u77e9\u5f62\u7684\u9762\u79ef\uff0c\u53e6\u4e00\u6b21\u7528\u4e8e\u8ba1\u7b97\u5706\u7684\u9762\u79ef\u3002\u4e24\u79cd\u91cd\u8f7d\u65b9\u6cd5\u5177\u6709\u76f8\u540c\u7684\u65b9\u6cd5\u540d\u79f0\uff0c\u4f46\u4e0d\u540c\u7684\u53c2\u6570\u5217\u8868\u3002<\/p>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u901a\u8fc7\u51fd\u6570\u91cd\u8f7d\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u5177\u6709\u76f8\u540c\u529f\u80fd\u4f46\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u6216\u6570\u91cf\u7684\u53c2\u6570\u7684\u65b9\u6cd5\u3002\u8fd9\u53ef\u4ee5\u4f7f\u6211\u4eec\u7684\u4ee3\u7801\u66f4\u7075\u6d3b\u3001\u66f4\u6613\u4e8e\u4f7f\u7528\u3002<\/p>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u901a\u8fc7Java\u51fd\u6570\u91cd\u8f7d\u7ec3\u4e60\u9762\u5411&#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-202607","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202607","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=202607"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202607\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202607"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202607"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}