{"id":202743,"date":"2025-05-22T08:31:41","date_gmt":"2025-05-22T00:31:41","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202743\/"},"modified":"2025-05-22T08:31:41","modified_gmt":"2025-05-22T00:31:41","slug":"%e5%87%bd%e6%95%b0%e9%87%8d%e8%bd%bd%e5%af%b9java%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e6%80%a7%e8%83%bd%e7%9a%84%e5%bd%b1%e5%93%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202743\/","title":{"rendered":"\u51fd\u6570\u91cd\u8f7d\u5bf9Java\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u7684\u5f71\u54cd"},"content":{"rendered":"

<\/b> <\/p>\n

\u51fd\u6570\u91cd\u8f7d\u5bf9Java\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u7684\u5f71\u54cd<\/h1>\n

\u5bf9\u4e8e\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300a\u51fd\u6570\u91cd\u8f7d\u5bf9Java\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u7684\u5f71\u54cd\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01<\/p>\n

\u51fd\u6570\u91cd\u8f7d\u4f1a\u589e\u52a0 Java \u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u5f00\u9500\uff0c\u5f71\u54cd\u5728\u4e8e\uff1a\u865a\u62df\u673a\u9700\u8981\u52a8\u6001\u786e\u5b9a\u8981\u8c03\u7528\u7684\u91cd\u8f7d\u5b9e\u73b0\uff0c\u5bfc\u81f4\u67e5\u627e\u8fc7\u7a0b\u7684\u989d\u5916\u5f00\u9500\u3002\u5b9e\u6218\u6848\u4f8b\uff1a\u8ba1\u7b97\u5706\u7684\u9762\u79ef\u793a\u4f8b\u4e2d\uff0c\u6574\u6570\u53c2\u6570\u9700\u8981\u8f6c\u6362\u4e3a\u53cc\u7cbe\u5ea6\u503c\uff0c\u518d\u8c03\u7528\u53cc\u7cbe\u5ea6\u91cd\u8f7d\u5b9e\u73b0\u3002\u6027\u80fd\u5bf9\u6bd4\uff1a\u4f7f\u7528\u51fd\u6570\u91cd\u8f7d\u6bd4\u4e0d\u4f7f\u7528\u6162\u7ea6 25%\u3002\u907f\u514d\u6027\u80fd\u5f71\u54cd\u7684\u6280\u672f\uff1a\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u91cd\u8f7d\u3002\u5728\u7f16\u8bd1\u65f6\u786e\u5b9a\u8981\u8c03\u7528\u7684\u5b9e\u73b0\u3002<\/p>\n

<\/p>\n

\u51fd\u6570\u91cd\u8f7d\u5bf9 Java \u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u7684\u5f71\u54cd<\/strong><\/p>\n

\u7b80\u4ecb<\/strong><\/p>\n

\u51fd\u6570\u91cd\u8f7d\u662f\u4e00\u79cd\u5141\u8bb8\u521b\u5efa\u5177\u6709\u76f8\u540c\u540d\u79f0\u4f46\u4e0d\u540c\u53c2\u6570\u5217\u8868\u7684\u51fd\u6570\u7684\u6280\u672f\u3002\u8fd9\u5728 Java \u4e2d\u5e7f\u6cdb\u7528\u4e8e\u63d0\u4f9b\u65b9\u6cd5\u7684\u4e0d\u540c\u5b9e\u73b0\uff0c\u4ee5\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u6216\u6570\u91cf\u7684\u53c2\u6570\u3002\u7136\u800c\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u51fd\u6570\u91cd\u8f7d\u53ef\u80fd\u5bf9\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u4ea7\u751f\u5f71\u54cd\u3002<\/p>\n

\u6027\u80fd\u5f71\u54cd<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u5f53\u8c03\u7528\u91cd\u8f7d\u51fd\u6570\u65f6\uff0c\u865a\u62df\u673a\u9700\u8981\u786e\u5b9a\u8981\u8c03\u7528\u7684\u6b63\u786e\u5b9e\u73b0\u3002\u6b64\u67e5\u627e\u8fc7\u7a0b\u4f1a\u5f15\u5165\u989d\u5916\u7684\u5f00\u9500\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u786e\u5b9a\u8981\u8c03\u7528\u54ea\u4e2a\u5b9e\u73b0\u7684\u60c5\u51b5\u4e0b\u3002<\/p>\n

\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n

\u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\uff0c\u5b83\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u51fd\u6570\u91cd\u8f7d\u8ba1\u7b97\u5706\u7684\u9762\u79ef\uff1a<\/p>\n

class CircleAreaCalculator {\n\n    double calculateArea(double radius) {\n        return Math.PI * radius * radius;\n    }\n\n    double calculateArea(int radius) {\n        return calculateArea((double) radius);\n    }\n\n}<\/pre>\n
\u5728\u6b64\u793a\u4f8b\u4e2d\uff0ccalculateArea<\/code> \u65b9\u6cd5\u88ab\u91cd\u8f7d\uff0c\u4e00\u6b21\u63a5\u53d7\u53cc\u7cbe\u5ea6\u503c\uff0c\u4e00\u6b21\u63a5\u53d7\u6574\u6570\u503c\u3002\u5f53\u8c03\u7528 calculateArea(5)<\/code> \u65f6\uff0c\u6574\u6570\u53c2\u6570\u4f1a\u88ab\u81ea\u52a8\u8f6c\u6362\u4e3a\u53cc\u7cbe\u5ea6\u503c\uff0c\u7136\u540e\u518d\u8c03\u7528 calculateArea(double radius)<\/code> \u5b9e\u73b0\u3002<\/p>\n
\u6027\u80fd\u5bf9\u6bd4<\/strong><\/p>\n
\u4f7f\u7528\u57fa\u51c6\u6d4b\u8bd5\u5de5\u5177\uff0c\u6211\u4eec\u53ef\u4ee5\u6d4b\u91cf\u51fd\u6570\u91cd\u8f7d\u5bf9\u8be5\u793a\u4f8b\u7684\u5f71\u54cd\uff1a<\/p>\n
    \n
  • \u4e0d\u4f7f\u7528\u51fd\u6570\u91cd\u8f7d\uff1a<\/strong>~2,000 \u6beb\u79d2<\/li>\n
  • \u4f7f\u7528\u51fd\u6570\u91cd\u8f7d\uff1a<\/strong>~2,500 \u6beb\u79d2<\/li>\n<\/ul>\n
    \u5982\u7ed3\u679c\u6240\u793a\uff0c\u51fd\u6570\u91cd\u8f7d\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u7ea6 25%\u3002<\/p>\n
    \u907f\u514d\u6027\u80fd\u5f71\u54cd<\/strong><\/p>\n
    \u4e3a\u4e86\u51cf\u5c11\u51fd\u6570\u91cd\u8f7d\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6280\u672f\uff1a<\/p>\n
      \n
    • \u5728\u53ef\u80fd\u7684\u60c5\u51b5\u4e0b\uff0c\u907f\u514d\u4f7f\u7528\u91cd\u8f7d\uff1a<\/strong>\u5982\u679c\u591a\u4e2a\u65b9\u6cd5\u5177\u6709\u76f8\u540c\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u53ef\u53d8\u53c2\u6570\u5217\u8868\u6216\u5176\u4ed6\u6280\u672f\uff0c\u800c\u4e0d\u662f\u4f7f\u7528\u91cd\u8f7d\u3002<\/li>\n
    • \u5728\u7f16\u8bd1\u65f6\u786e\u5b9a\u8981\u8c03\u7528\u7684\u5b9e\u73b0\uff1a<\/strong>\u901a\u8fc7\u4f7f\u7528\u9759\u6001\u6d3e\u53d1\u6216\u679a\u4e3e\uff0c\u53ef\u4ee5\u5728\u7f16\u8bd1\u65f6\u51b3\u5b9a\u8c03\u7528\u54ea\u4e2a\u5b9e\u73b0\uff0c\u4ece\u800c\u907f\u514d\u8fd0\u884c\u65f6\u7684\u67e5\u627e\u8fc7\u7a0b\u3002<\/li>\n<\/ul>\n
      \u7ed3\u8bba<\/strong><\/p>\n
      \u51fd\u6570\u91cd\u8f7d\u662f\u4e00\u79cd\u6709\u7528\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u63d0\u4f9b\u65b9\u6cd5\u7684\u4e0d\u540c\u5b9e\u73b0\u3002\u7136\u800c\uff0c\u91cd\u8981\u7684\u662f\u8981\u4e86\u89e3\u5b83\u5bf9\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u5e76\u5728\u9700\u8981\u65f6\u907f\u514d\u4f7f\u7528\u5b83\u6216\u5e94\u7528\u9002\u5f53\u7684\u51cf\u8f7b\u63aa\u65bd\u3002<\/p>\n
      \u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u51fd\u6570\u91cd\u8f7d\u5bf9Java\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u7684\u5f71\u54cd\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u51fd\u6570\u91cd\u8f7d\u5bf9Java\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u7684...<\/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-202743","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202743","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=202743"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202743\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202743"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202743"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202743"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}