{"id":203049,"date":"2025-05-22T12:16:03","date_gmt":"2025-05-22T04:16:03","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203049\/"},"modified":"2025-05-22T12:16:03","modified_gmt":"2025-05-22T04:16:03","slug":"java%e5%87%bd%e6%95%b0%e4%b8%8e%e6%96%b9%e6%b3%95%e5%9c%a8%e6%89%a9%e5%b1%95%e6%80%a7%e5%92%8c%e5%8f%af%e5%a4%8d%e7%94%a8%e6%80%a7%e6%96%b9%e9%9d%a2%e7%9a%84%e4%b8%8d%e5%90%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203049\/","title":{"rendered":"Java\u51fd\u6570\u4e0e\u65b9\u6cd5\u5728\u6269\u5c55\u6027\u548c\u53ef\u590d\u7528\u6027\u65b9\u9762\u7684\u4e0d\u540c"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java\u51fd\u6570\u4e0e\u65b9\u6cd5\u5728\u6269\u5c55\u6027\u548c\u53ef\u590d\u7528\u6027\u65b9\u9762\u7684\u4e0d\u540c<\/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\u300aJava\u51fd\u6570\u4e0e\u65b9\u6cd5\u5728\u6269\u5c55\u6027\u548c\u53ef\u590d\u7528\u6027\u65b9\u9762\u7684\u4e0d\u540c\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><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730029468671e279c6f1ea.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java \u51fd\u6570\u4e0e\u65b9\u6cd5\u7684\u6269\u5c55\u6027\u548c\u53ef\u590d\u7528\u6027<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u51fd\u6570\u548c\u65b9\u6cd5\u662f\u7528\u4ee5\u7ec4\u7ec7\u548c\u5c01\u88c5\u4ee3\u7801\u5757\u7684\u57fa\u672c\u7ed3\u6784\u3002\u5c3d\u7ba1\u5b83\u4eec\u6709\u7740\u76f8\u4f3c\u7684\u76ee\u7684\uff0c\u4f46\u5728\u6269\u5c55\u6027\u548c\u53ef\u590d\u7528\u6027\u65b9\u9762\u5374\u6709\u7740\u5173\u952e\u7684\u533a\u522b\u3002<\/p>\n<p><strong>\u51fd\u6570<\/strong><\/p>\n<ul>\n<li>\u5b9a\u4e49\uff1a\u51fd\u6570\u662f\u4e00\u79cd\u72ec\u7acb\u7684\u4ee3\u7801\u5757\uff0c\u4e0d\u5c5e\u4e8e\u4efb\u4f55\u7c7b\u3002<\/li>\n<li>\u8bbf\u95ee\uff1a\u51fd\u6570\u53ef\u4ee5\u5728\u4efb\u4f55\u5730\u65b9\u8bbf\u95ee\uff0c\u5305\u62ec\u5176\u4ed6\u7c7b\u548c\u5305\u4e2d\u3002<\/li>\n<li>\u53ef\u6269\u5c55\u6027\uff1a\u51fd\u6570\u901a\u5e38\u4e0d\u53ef\u6269\u5c55\uff0c\u8fd9\u610f\u5473\u7740\u4e0d\u80fd\u5728\u7f16\u8bd1\u540e\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\u3002<\/li>\n<li>\u53ef\u590d\u7528\u6027\uff1a\u51fd\u6570\u53ef\u4ee5\u88ab\u591a\u4e2a\u7c7b\u548c\u5305\u91cd\u590d\u4f7f\u7528\uff0c\u63d0\u9ad8\u4ee3\u7801\u91cd\u7528\u6027\u3002<\/li>\n<\/ul>\n<p><strong>\u65b9\u6cd5<\/strong><\/p>\n<ul>\n<li>\u5b9a\u4e49\uff1a\u65b9\u6cd5\u662f\u5b9a\u4e49\u5728\u7c7b\u6216\u63a5\u53e3\u4e2d\u7684\u4ee3\u7801\u5757\u3002<\/li>\n<li>\u8bbf\u95ee\uff1a\u65b9\u6cd5\u53ea\u80fd\u5728\u5b9a\u4e49\u5b83\u4eec\u7684\u7c7b\u548c\u6d3e\u751f\u7c7b\u4e2d\u8bbf\u95ee\u3002<\/li>\n<li>\u53ef\u6269\u5c55\u6027\uff1a\u65b9\u6cd5\u53ef\u4ee5\u901a\u8fc7\u7ee7\u627f\u548c\u91cd\u5199\u5b50\u7c7b\u8fdb\u884c\u6269\u5c55\u3002<\/li>\n<li>\u53ef\u590d\u7528\u6027\uff1a\u65b9\u6cd5\u4ec5\u9650\u4e8e\u5b9a\u4e49\u5b83\u4eec\u7684\u7c7b\u548c\u6d3e\u751f\u7c7b\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u8ba1\u7b97\u77e9\u5f62\u7684\u9762\u79ef\u548c\u5468\u957f\u7684\u7a0b\u5e8f\u3002<\/p>\n<p><strong>\u4f7f\u7528\u51fd\u6570\uff1a<\/strong><\/p>\n<pre>public class RectangleAreaPerimeter {\n\n    public static double area(double length, double width) {\n        return length * width;\n    }\n\n    public static double perimeter(double length, double width) {\n        return 2 * (length + width);\n    }\n\n    public static void main(String[] args) {\n        double length = 5.0;\n        double width = 3.0;\n\n        double areaValue = area(length, width);\n        double perimeterValue = perimeter(length, width);\n\n        System.out.println(\"Area: \" + areaValue);\n        System.out.println(\"Perimeter: \" + perimeterValue);\n    }\n}<\/pre>\n<p><strong>\u4f7f\u7528\u65b9\u6cd5\uff1a<\/strong><\/p>\n<pre>public class Rectangle {\n\n    private double length;\n    private double width;\n\n    public Rectangle(double length, double width) {\n        this.length = length;\n        this.width = width;\n    }\n\n    public double getArea() {\n        return length * width;\n    }\n\n    public double getPerimeter() {\n        return 2 * (length + width);\n    }\n\n    public static void main(String[] args) {\n        Rectangle rectangle = new Rectangle(5.0, 3.0);\n\n        double areaValue = rectangle.getArea();\n        double perimeterValue = rectangle.getPerimeter();\n\n        System.out.println(\"Area: \" + areaValue);\n        System.out.println(\"Perimeter: \" + perimeterValue);\n    }\n}<\/pre>\n<p><strong>\u6269\u5c55\u6027\u548c\u53ef\u590d\u7528\u6027<\/strong><\/p>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u51fd\u6570\u65b9\u6cd5\u63d0\u4f9b\u66f4\u597d\u7684\u6269\u5c55\u6027\u548c\u53ef\u590d\u7528\u6027\u3002\u5982\u679c\u6211\u4eec\u7a0d\u540e\u9700\u8981\u8ba1\u7b97\u5706\u5f62\u7684\u9762\u79ef\u548c\u5468\u957f\uff0c\u6211\u4eec\u53ef\u4ee5\u6269\u5c55\u51fd\u6570<code>area()<\/code>\u548c<code>perimeter()<\/code>\uff0c\u800c\u65e0\u9700\u4fee\u6539\u6574\u4e2a\u7c7b\u3002\u76f8\u53cd\uff0c\u5982\u679c\u6211\u4eec\u4f7f\u7528\u7c7b\u7684\u65b9\u6cd5\uff0c\u5219\u9700\u8981\u521b\u5efa\u5355\u72ec\u7684\u5706\u5f62\u7c7b\u6765\u8ba1\u7b97\u5176\u9762\u79ef\u548c\u5468\u957f\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aJava\u51fd\u6570\u4e0e\u65b9\u6cd5\u5728\u6269\u5c55\u6027\u548c\u53ef\u590d\u7528\u6027\u65b9\u9762\u7684\u4e0d\u540c\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\u6269\u5c55\u6027,\u53ef\u590d\u7528\u6027\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u51fd\u6570\u4e0e\u65b9\u6cd5\u5728\u6269\u5c55\u6027\u548c\u53ef\u590d&#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-203049","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203049","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=203049"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203049\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}