{"id":47145,"date":"2024-12-02T12:04:22","date_gmt":"2024-12-02T04:04:22","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47145\/"},"modified":"2024-12-02T12:04:22","modified_gmt":"2024-12-02T04:04:22","slug":"java-%e5%87%bd%e6%95%b0%e9%87%8d%e7%94%a8%e4%b8%8e%e6%a8%a1%e5%9d%97%e5%8c%96%e8%ae%be%e8%ae%a1%e7%9a%84%e8%81%94%e7%b3%bb","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47145\/","title":{"rendered":"Java \u51fd\u6570\u91cd\u7528\u4e0e\u6a21\u5757\u5316\u8bbe\u8ba1\u7684\u8054\u7cfb"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java \u51fd\u6570\u91cd\u7528\u4e0e\u6a21\u5757\u5316\u8bbe\u8ba1\u7684\u8054\u7cfb<\/h1>\n<p>IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929\u7c73\u4e91\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300aJava \u51fd\u6570\u91cd\u7528\u4e0e\u6a21\u5757\u5316\u8bbe\u8ba1\u7684\u8054\u7cfb\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p>\u5728 Java \u4e2d\uff0c\u51fd\u6570\u91cd\u7528\u548c\u6a21\u5757\u5316\u8bbe\u8ba1\u5bc6\u4e0d\u53ef\u5206\uff1a\u51fd\u6570\u91cd\u7528\uff1a\u4f7f\u7528\u76f8\u540c\u51fd\u6570\u4e8e\u7a0b\u5e8f\u4e0d\u540c\u90e8\u5206\u4e2d\uff0c\u901a\u8fc7\u5c06\u51fd\u6570\u5b9a\u4e49\u4e3a\u65b9\u6cd5\u5b9e\u73b0\u3002\u6a21\u5757\u5316\u8bbe\u8ba1\uff1a\u5c06\u4ee3\u7801\u7ec4\u7ec7\u6210\u79f0\u4e3a\u6a21\u5757\u7684\u72ec\u7acb\u5355\u5143\uff0c\u63d0\u9ad8\u5185\u805a\u6027\u548c\u964d\u4f4e\u8026\u5408\u5ea6\u3002\u51fd\u6570\u91cd\u7528\u4e0e\u6a21\u5757\u5316\u8bbe\u8ba1\u7684\u5173\u7cfb\uff1a\u5c06\u51fd\u6570\u7ec4\u7ec7\u5230\u6a21\u5757\u4e2d\u63d0\u9ad8\u4ee3\u7801\u91cd\u7528\u6027\uff0c\u4f8b\u5982\u5c06\u51e0\u4f55\u51fd\u6570\u7ec4\u7ec7\u5230 Geometry \u6a21\u5757\u3002\u5b9e\u6218\u6848\u4f8b\uff1a\u5728\u7535\u5b50\u5546\u52a1\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u5c06\u529f\u80fd\u6a21\u5757\u5316\u5230 OrderCalculator\u3001PaymentProcessor \u548c InvoiceGenerator \u4e2d\uff0c\u4fbf\u4e8e\u91cd\u7528\u3002\u597d\u5904\uff1a\u7ed3\u5408\u51fd\u6570\u91cd\u7528\u548c\u6a21\u5757\u5316\u8bbe\u8ba1\u589e\u5f3a\u53ef\u7ef4\u62a4\u6027<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729946432671ce340636ed.jpg\" class=\"aligncenter\" title=\"Java \u51fd\u6570\u91cd\u7528\u4e0e\u6a21\u5757\u5316\u8bbe\u8ba1\u7684\u8054\u7cfb\u63d2\u56fe\" alt=\"Java \u51fd\u6570\u91cd\u7528\u4e0e\u6a21\u5757\u5316\u8bbe\u8ba1\u7684\u8054\u7cfb\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u51fd\u6570\u91cd\u7528\u4e0e\u6a21\u5757\u5316\u8bbe\u8ba1\u7684\u8054\u7cfb<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u51fd\u6570\u91cd\u7528\u548c\u6a21\u5757\u5316\u8bbe\u8ba1\u5bc6\u4e0d\u53ef\u5206\uff0c\u5b83\u4eec\u5171\u540c\u5851\u9020\u4e86\u5065\u58ee\u3001\u53ef\u7ef4\u62a4\u4e14\u6613\u4e8e\u6269\u5c55\u7684\u9ad8\u8d28\u91cf\u4ee3\u7801\u5e93\u3002<\/p>\n<p><strong>\u51fd\u6570\u91cd\u7528<\/strong><\/p>\n<p>\u51fd\u6570\u91cd\u7528\u6307\u5728\u7a0b\u5e8f\u4e0d\u540c\u7684\u90e8\u5206\u4f7f\u7528\u76f8\u540c\u7684\u51fd\u6570\u3002\u5b83\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5b9e\u73b0\uff1a<\/p>\n<pre>\/\/ \u5b9a\u4e49\u4e00\u4e2a\u8ba1\u7b97\u9762\u79ef\u7684\u51fd\u6570\npublic static double calculateArea(double length, double width) {\n    return length * width;\n}\n\n\/\/ \u5728 main \u65b9\u6cd5\u4e2d\u91cd\u590d\u4f7f\u7528\u8be5\u51fd\u6570\npublic static void main(String[] args) {\n    double area1 = calculateArea(5.0, 3.0);\n    double area2 = calculateArea(10.0, 2.0);\n    System.out.println(\"Area 1: \" + area1);\n    System.out.println(\"Area 2: \" + area2);\n}<\/pre>\n<p><strong>\u6a21\u5757\u5316\u8bbe\u8ba1<\/strong><\/p>\n<p>\u6a21\u5757\u5316\u8bbe\u8ba1\u5c06\u4ee3\u7801\u7ec4\u7ec7\u6210\u79f0\u4e3a\u6a21\u5757\u7684\u72ec\u7acb\u5355\u5143\u3002\u6a21\u5757\u5177\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u5185\u805a\u529b\uff1a<\/strong>\u6a21\u5757\u5185\u7684\u5143\u7d20\u7d27\u5bc6\u5173\u8054\uff0c\u76f8\u4e92\u4e4b\u95f4\u5f3a\u4f9d\u8d56\u3002<\/li>\n<li><strong>\u4f4e\u8026\u5408\u5ea6\uff1a<\/strong>\u6a21\u5757\u4e4b\u95f4\u677e\u6563\u8026\u5408\uff0c\u4ec5\u901a\u8fc7\u660e\u786e\u5b9a\u4e49\u7684\u63a5\u53e3\u4ea4\u4e92\u3002<\/li>\n<\/ul>\n<p><strong>\u51fd\u6570\u91cd\u7528\u4e0e\u6a21\u5757\u5316\u8bbe\u8ba1\u7684\u5173\u7cfb<\/strong><\/p>\n<p>\u51fd\u6570\u91cd\u7528\u548c\u6a21\u5757\u5316\u8bbe\u8ba1\u76f8\u4e92\u8865\u5145\u3002\u901a\u8fc7\u5c06\u51fd\u6570\u7ec4\u7ec7\u5230\u6a21\u5757\u4e2d\uff0c\u4f60\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u91cd\u7528\u6027\u3002\u4f8b\u5982\uff0c\u4e0a\u8ff0 <code>calculateArea<\/code> \u51fd\u6570\u53ef\u4ee5\u653e\u5165\u4e00\u4e2a\u540d\u4e3a <code>Geometry<\/code> \u7684\u6a21\u5757\u4e2d\uff0c\u8be5\u6a21\u5757\u8fd8\u5305\u542b\u5176\u4ed6\u51e0\u4f55\u8ba1\u7b97\u51fd\u6570\u3002<\/p>\n<p>\u8fd9\u79cd\u7ec4\u7ec7\u4f7f\u91cd\u7528\u53d8\u5f97\u5bb9\u6613\uff0c\u56e0\u4e3a\u4f60\u53ef\u4ee5\u7b80\u5355\u5730\u5bfc\u5165 <code>Geometry<\/code> \u6a21\u5757\u5e76\u8bbf\u95ee\u5176\u51fd\u6570\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>import geometry.Geometry;\n\npublic class Main {\n    public static void main(String[] args) {\n        double area = Geometry.calculateArea(5.0, 3.0);\n        System.out.println(\"Area: \" + area);\n    }\n}<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4e00\u4e2a\u7535\u5b50\u5546\u52a1\u5e94\u7528\u7a0b\u5e8f\uff0c\u5176\u4e2d\u5305\u542b\u8ba1\u7b97\u8ba2\u5355\u603b\u4ef7\u3001\u5904\u7406\u4ed8\u6b3e\u548c\u751f\u6210\u53d1\u7968\u7684\u4ee3\u7801\u3002\u901a\u8fc7\u5c06\u8fd9\u4e9b\u529f\u80fd\u7ec4\u7ec7\u5230\u4e0d\u540c\u7684\u6a21\u5757\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u91cd\u7528\u5b83\u4eec\uff1a<\/p>\n<ul>\n<li><strong>OrderCalculator\uff1a<\/strong>\u7528\u4e8e\u8ba1\u7b97\u8ba2\u5355\u603b\u4ef7\u7684\u6a21\u5757\u3002<\/li>\n<li><strong>PaymentProcessor\uff1a<\/strong>\u7528\u4e8e\u5904\u7406\u4ed8\u6b3e\u7684\u6a21\u5757\u3002<\/li>\n<li><strong>InvoiceGenerator\uff1a<\/strong>\u7528\u4e8e\u751f\u6210\u53d1\u7968\u7684\u6a21\u5757\u3002<\/li>\n<\/ul>\n<p><strong>\u4f18\u70b9<\/strong><\/p>\n<p>\u5c06\u51fd\u6570\u91cd\u7528\u548c\u6a21\u5757\u5316\u8bbe\u8ba1\u7ed3\u5408\u4f7f\u7528\uff0c\u53ef\u4ee5\u5e26\u6765\u4ee5\u4e0b\u597d\u5904\uff1a<\/p>\n<ul>\n<li><strong>\u63d0\u9ad8\u53ef\u7ef4\u62a4\u6027\uff1a<\/strong>\u6a21\u5757\u5316\u4ee3\u7801\u66f4\u5bb9\u6613\u7406\u89e3\u548c\u7ef4\u62a4\uff0c\u56e0\u4e3a\u5b83\u5c06\u4ee3\u7801\u7ec4\u7ec7\u6210\u72ec\u7acb\u5355\u5143\u3002<\/li>\n<li><strong>\u6539\u8fdb\u53ef\u6269\u5c55\u6027\uff1a<\/strong>\u901a\u8fc7\u5c06\u529f\u80fd\u6a21\u5757\u5316\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u6dfb\u52a0\u6216\u5220\u9664\u529f\u80fd\uff0c\u800c\u4e0d\u4f1a\u5f71\u54cd\u6574\u4e2a\u4ee3\u7801\u5e93\u3002<\/li>\n<li><strong>\u907f\u514d\u91cd\u590d\uff1a<\/strong>\u51fd\u6570\u91cd\u7528\u6d88\u9664\u4e86\u91cd\u590d\u4ee3\u7801\u7684\u9700\u6c42\uff0c\u4ece\u800c\u51cf\u5c11\u4e86\u9519\u8bef\u7684\u53ef\u80fd\u6027\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u53ef\u6d4b\u8bd5\u6027\uff1a<\/strong>\u72ec\u7acb\u7684\u6a21\u5757\u66f4\u5bb9\u6613\u6d4b\u8bd5\u548c\u9a8c\u8bc1\u5176\u884c\u4e3a\u3002<\/li>\n<\/ul>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aJava \u51fd\u6570\u91cd\u7528\u4e0e\u6a21\u5757\u5316\u8bbe\u8ba1\u7684\u8054\u7cfb\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\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java \u51fd\u6570\u91cd\u7528\u4e0e\u6a21\u5757\u5316\u8bbe\u8ba1\u7684\u8054\u7cfb IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929\u7c73\u4e91\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300aJava \u51fd\u6570\u91cd\u7528\u4e0e\u6a21\u5757\u5316\u8bbe\u8ba1\u7684\u8054\u7cfb\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01 \u5728 Java \u4e2d\uff0c\u51fd\u6570\u91cd\u7528\u548c\u6a21\u5757\u5316\u8bbe\u8ba1\u5bc6\u4e0d\u53ef\u5206\uff1a\u51fd\u6570\u91cd\u7528\uff1a\u4f7f\u7528\u76f8\u540c\u51fd\u6570\u4e8e\u7a0b\u5e8f\u4e0d\u540c\u90e8\u5206\u4e2d\uff0c\u901a\u8fc7\u5c06\u51fd\u6570\u5b9a\u4e49\u4e3a\u65b9\u6cd5\u5b9e\u73b0\u3002\u6a21\u5757\u5316\u8bbe\u8ba1\uff1a\u5c06\u4ee3\u7801\u7ec4\u7ec7\u6210\u79f0\u4e3a\u6a21\u5757\u7684\u72ec\u7acb\u5355\u5143\uff0c\u63d0\u9ad8\u5185\u805a\u6027\u548c\u964d\u4f4e\u8026\u5408\u5ea6\u3002\u51fd\u6570\u91cd\u7528\u4e0e\u6a21\u5757\u5316\u8bbe\u8ba1\u7684\u5173\u7cfb\uff1a\u5c06\u51fd\u6570\u7ec4\u7ec7\u5230\u6a21\u5757\u4e2d\u63d0\u9ad8\u4ee3\u7801\u91cd\u7528\u6027\uff0c\u4f8b\u5982\u5c06\u51e0\u4f55\u51fd\u6570\u7ec4\u7ec7\u5230 Geometry \u6a21\u5757\u3002\u5b9e\u6218\u6848\u4f8b\uff1a\u5728\u7535\u5b50\u5546\u52a1\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u5c06\u529f\u80fd\u6a21\u5757\u5316\u5230 OrderCalculator\u3001PaymentProcessor \u548c InvoiceGenerator \u4e2d\uff0c\u4fbf\u4e8e\u91cd\u7528\u3002\u597d\u5904\uff1a\u7ed3\u5408\u51fd\u6570\u91cd\u7528\u548c\u6a21\u5757\u5316\u8bbe\u8ba1\u589e\u5f3a\u53ef\u7ef4\u62a4\u6027 Java \u51fd\u6570\u91cd\u7528\u4e0e\u6a21\u5757\u5316\u8bbe\u8ba1\u7684\u8054\u7cfb \u5728 Java \u4e2d\uff0c\u51fd\u6570\u91cd\u7528\u548c\u6a21\u5757\u5316\u8bbe\u8ba1\u5bc6\u4e0d\u53ef\u5206\uff0c\u5b83\u4eec\u5171\u540c\u5851\u9020\u4e86\u5065\u58ee\u3001\u53ef\u7ef4\u62a4\u4e14\u6613\u4e8e\u6269\u5c55\u7684\u9ad8\u8d28\u91cf\u4ee3\u7801\u5e93\u3002 \u51fd\u6570\u91cd\u7528 \u51fd\u6570\u91cd\u7528\u6307\u5728\u7a0b\u5e8f\u4e0d\u540c\u7684\u90e8\u5206\u4f7f\u7528\u76f8\u540c\u7684\u51fd\u6570\u3002\u5b83\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5b9e\u73b0\uff1a \/\/ \u5b9a\u4e49\u4e00\u4e2a\u8ba1\u7b97\u9762\u79ef\u7684\u51fd\u6570 public static double calculateArea(double length, double width) { return length * width; } \/\/ \u5728 main \u65b9\u6cd5\u4e2d\u91cd\u590d\u4f7f\u7528\u8be5\u51fd\u6570 public static void main(String[] args) { double area1 = calculateArea(5.0, 3.0); double area2 = calculateArea(10.0, 2.0); [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-47145","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=47145"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47145\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47145"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}