{"id":202783,"date":"2025-05-22T08:26:30","date_gmt":"2025-05-22T00:26:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202783\/"},"modified":"2025-05-22T08:26:30","modified_gmt":"2025-05-22T00:26:30","slug":"%e5%a6%82%e4%bd%95%e9%87%8d%e8%bd%bdjava%e5%87%bd%e6%95%b0%e4%bb%a5%e6%8f%90%e9%ab%98%e4%bb%a3%e7%a0%81%e5%8f%af%e8%af%bb%e6%80%a7%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202783\/","title":{"rendered":"\u5982\u4f55\u91cd\u8f7dJava\u51fd\u6570\u4ee5\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\uff1f"},"content":{"rendered":"

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

\u5982\u4f55\u91cd\u8f7dJava\u51fd\u6570\u4ee5\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\uff1f<\/h1>\n

\u76ee\u524d\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e\u6587\u7ae0<\/span>\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587\u300a\u5982\u4f55\u91cd\u8f7dJava\u51fd\u6570\u4ee5\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\uff1f\u300b<\/span>\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60\u6587\u7ae0<\/span>\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~<\/p>\n

<\/p>\n

\u5982\u4f55\u4f7f\u7528\u91cd\u8f7d\u63d0\u5347 Java \u4ee3\u7801\u7684\u53ef\u8bfb\u6027<\/h2>\n

\u51fd\u6570\u91cd\u8f7d\u662f Java \u4e2d\u4e00\u9879\u5f3a\u5927\u7684\u529f\u80fd\uff0c\u5b83\u5141\u8bb8\u60a8\u4f7f\u7528\u540c\u540d\u7684\u591a\u4e2a\u51fd\u6570\uff0c\u524d\u63d0\u662f\u6bcf\u4e2a\u51fd\u6570\u7684\u53c2\u6570\u5217\u8868\u4e0d\u540c\u3002\u901a\u8fc7\u5de7\u5999\u5229\u7528\u91cd\u8f7d\uff0c\u60a8\u53ef\u4ee5\u6781\u5927\u5730\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\u3002<\/p>\n

\u91cd\u8f7d\u8bed\u6cd5<\/h3>\n

\u4ee5\u4e0b\u8bed\u6cd5\u8bf4\u660e\u4e86 Java \u4e2d\u51fd\u6570\u91cd\u8f7d\uff1a<\/p>\n

public <returnType> <functionName>(<parameter1>, <parameter2>, ..., <parameterN>) {\n    \/\/ function body\n}<\/pre>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • <returnType><\/code> – \u51fd\u6570\u8fd4\u56de\u7684\u7c7b\u578b<\/li>\n
  • <functionName><\/code> – \u51fd\u6570\u7684\u540d\u79f0<\/li>\n
  • <parameter1-N><\/code> – \u51fd\u6570\u7684\u53c2\u6570\u5217\u8868\uff0c\u53c2\u6570\u7c7b\u578b\u548c\u6570\u91cf\u53ef\u4ee5\u4e0d\u540c<\/li>\n<\/ul>\n
    \u5b9e\u6218\u6848\u4f8b<\/h3>\n
    \u8ba9\u6211\u4eec\u8003\u8651\u4e00\u4e2a\u8ba1\u7b97\u5706\u5f62\u9762\u79ef\u7684\u793a\u4f8b\uff1a<\/p>\n
    \/\/ \u4e0d\u4f7f\u7528\u91cd\u8f7d\npublic static double calculateArea(Circle circle) {\n    return Math.PI * circle.getRadius() * circle.getRadius();\n}\n\n\/\/ \u4f7f\u7528\u91cd\u8f7d\npublic static double calculateArea(double radius) {\n    return Math.PI * radius * radius;\n}<\/pre>\n
    \u91cd\u8f7d\u7248\u672c\u6d88\u9664\u4e86 Circle<\/code> \u5bf9\u8c61\uff0c\u4f7f\u51fd\u6570\u66f4\u7b80\u6d01\u4e14\u66f4\u5bb9\u6613\u7406\u89e3\u3002\u5b83\u8fd8\u5141\u8bb8\u60a8\u4f7f\u7528\u4e0d\u540c\u7684\u53c2\u6570\u4f20\u9012\u5706\u7684\u534a\u5f84\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u7075\u6d3b\u6027\u3002<\/p>\n
    \u4f18\u52bf<\/h3>\n
    \u4f7f\u7528\u51fd\u6570\u91cd\u8f7d\u5177\u6709\u4ee5\u4e0b\u4f18\u52bf\uff1a<\/p>\n
      \n
    • \u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\uff1a<\/strong>\u5b83\u4f7f\u51fd\u6570\u7684\u7528\u9014\u4e00\u76ee\u4e86\u7136\uff0c\u56e0\u4e3a\u53c2\u6570\u5217\u8868\u6e05\u6670\u5730\u63cf\u8ff0\u4e86\u8f93\u5165\u3002<\/li>\n
    • \u63d0\u9ad8\u53ef\u7ef4\u62a4\u6027\uff1a<\/strong>\u91cd\u8f7d\u53ef\u9632\u6b62\u547d\u540d\u51b2\u7a81\uff0c\u5373\u4f7f\u51fd\u6570\u5177\u6709\u7c7b\u4f3c\u7684\u529f\u80fd\u3002<\/li>\n
    • \u589e\u52a0\u7075\u6d3b\u6027\uff1a<\/strong>\u91cd\u8f7d\u5141\u8bb8\u60a8\u4e3a\u51fd\u6570\u63d0\u4f9b\u591a\u4e2a\u5165\u53e3\u70b9\uff0c\u4ee5\u9002\u5e94\u4e0d\u540c\u7684\u8f93\u5165\u7c7b\u578b\u6216\u7528\u6cd5\u573a\u666f\u3002<\/li>\n
    • \u5f3a\u5236\u66f4\u597d\u7684\u8bbe\u8ba1\uff1a<\/strong>\u91cd\u8f7d\u9f13\u52b1\u60a8\u63d0\u524d\u8003\u8651\u51fd\u6570\u7684\u804c\u8d23\uff0c\u5e76\u4ee5\u4e00\u7ec4\u7cbe\u5fc3\u8bbe\u8ba1\u7684\u53c2\u6570\u6765\u8868\u8fbe\u5b83\u4eec\u3002<\/li>\n<\/ul>\n
      \u6ce8\u610f\u4e8b\u9879<\/h3>\n
      \u5728\u4f7f\u7528\u91cd\u8f7d\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4e00\u4e9b\u4e8b\u9879\uff1a<\/p>\n
        \n
      • \u53c2\u6570\u987a\u5e8f\uff1a<\/strong>\u53c2\u6570\u987a\u5e8f\u5fc5\u987b\u4fdd\u6301\u76f8\u540c\uff0c\u5426\u5219\u7f16\u8bd1\u5668\u4f1a\u5c06\u5b83\u4eec\u89e3\u91ca\u4e3a\u4e0d\u540c\u7684\u51fd\u6570\u3002<\/li>\n
      • \u6b63\u786e\u4f7f\u7528\u81ea\u52a8\u88c5\u7bb1\uff1a<\/strong>\u5bf9\u4e8e\u57fa\u672c\u7c7b\u578b\u53c2\u6570\uff0c\u5e94\u4f7f\u7528\u81ea\u52a8\u88c5\u7bb1\u673a\u5236\uff08\u4f8b\u5982\uff0cint<\/code> \u8f6c\u5316\u4e3a Integer<\/code>\uff09\u3002<\/li>\n
      • \u907f\u514d\u91cd\u8f7d\u8fc7\u591a\uff1a<\/strong>\u8fc7\u591a\u7684\u91cd\u8f7d\u53ef\u80fd\u4f1a\u4f7f\u4ee3\u7801\u6df7\u6dc6\u4e14\u96be\u4ee5\u7406\u89e3\u3002<\/li>\n<\/ul>\n
        \u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u5982\u4f55\u91cd\u8f7dJava\u51fd\u6570\u4ee5\u63d0\u9ad8\u4ee3\u7801\u53ef...<\/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-202783","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202783","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=202783"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202783\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202783"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202783"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}