{"id":117492,"date":"2026-10-24T23:48:56","date_gmt":"2026-10-24T15:48:56","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/117492.html"},"modified":"2026-10-24T23:48:56","modified_gmt":"2026-10-24T15:48:56","slug":"%e7%a9%bf%e8%b6%8a%ef%bc%9fc-%e4%bf%ae%e7%82%bc%e4%b8%96%e7%95%8c%e7%ac%ac%e5%85%ad%e5%a4%a9%ef%bc%9a%e7%ad%91%e5%9f%ba%e6%96%b9%e6%b3%95%ef%bc%88%e7%90%86%e8%ae%ba-01-%e5%ae%9e%e6%93%8d-02","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/117492.html","title":{"rendered":"\u7a7f\u8d8a\uff1fC# \u4fee\u70bc\u4e16\u754c\u7b2c\u516d\u5929\uff1a\u7b51\u57fa\u65b9\u6cd5\uff08\u7406\u8bba 01 + \u5b9e\u64cd 02\uff09"},"content":{"rendered":"

\/* MD \/ \u5bcc\u6587\u672c\u4e2d\u7684 .toc\uff08\u542b\u535a\u5ba2\u56ed\u642c\u5bb6\u7b49\u5d4c\u5957\u7ed3\u6784\uff09\uff1b.toc-box \u5728\u4fa7\u680f\uff0c\u4e0d\u53d7\u5f71\u54cd *\/
\n #content_views .toc,
\n \/* \u7f16\u8f91\u5668\u5e38\u5728\u76ee\u5f55\u524d\u540e\u63d2\u5165\u7a7a p\uff08:empty \u4ecd\u5360 20px\uff09\uff0c\u4e00\u5e76\u53bb\u6389\u907f\u514d\u9876\u7a7a\u9699 *\/
\n #content_views.markdown_views > p:empty:has(+ .toc),
\n #content_views.markdown_views > .toc + p:empty,
\n \/* \u5bcc\u6587\u672c\u65e7\u7248\u76ee\u5f55\u6807\u8bb0 *\/
\n #content_views.htmledit_views #main-toc,
\n #content_views.htmledit_views #hr-toc,
\n #content_views.htmledit_views p[id*=\\”-toc\\”] {
\n display: none !important;
\n }
\n \/* \u76ee\u5f55\u53bb\u6389\u540e\uff0c\u7d27\u8ddf\u7684\u9996\u4e2a\u6807\u9898\u4e0d\u518d\u591a\u51fa\u4e00\u5757\u4e0a\u8fb9\u8ddd *\/
\n #content_views.markdown_views > .toc + h1,
\n #content_views.markdown_views > .toc + h2,
\n #content_views.markdown_views > .toc + h3,
\n #content_views.markdown_views > .toc + h4,
\n #content_views.markdown_views > .toc + p:empty + h1,
\n #content_views.markdown_views > .toc + p:empty + h2,
\n #content_views.markdown_views > .toc + p:empty + h3,
\n #content_views.markdown_views > .toc + p:empty + h4 {
\n margin-top: 0 !important;
\n }<\/p>\n

C# \u4fee\u70bc\u65e5\u8bb0 \u00b7 2026 \u5e74 10 \u6708 22 \u65e5<\/p>\n

\u524d\u4e94\u65e5，\u4ece\u7ec3\u6c14\u5165\u95e8\u4e00\u8def\u6253\u901a\u6570\u7ec4\u4e0e\u9762\u5411\u5bf9\u8c61，\u5c5e\u6027\u3001\u6784\u9020\u51fd\u6570\u76f8\u7ee7\u5f00\u5149\u3002\u4eca\u65e5\u5cf0\u4e3b\u7ec8\u4e8e\u628a\u76ee\u5149\u843d\u5728\u4fee\u70bc\u4e16\u754c\u7684"\u62db\u6cd5"\u4e0a\u2014\u2014\u65b9\u6cd5（\u51fd\u6570）\u3002\u65b9\u6cd5\u662f\u5c01\u88c5\u597d\u7684\u4e00\u6bb5\u529f\u6cd5：\u4f60\u5237\u4e00\u4e0b\u8eab\u4efd\u8bc1，\u95f8\u673a\u4fbf\u81ea\u52a8\u5224\u65ad\u4e70\u6ca1\u4e70\u7968；\u4f60\u628a\u4e00\u4e2a\u4e71\u7cdf\u7cdf\u7684\u6570\u7ec4\u4e22\u8fdb\u53bb，\u6392\u5e8f\u3001\u8f6c\u5b57\u7b26\u4e32\u4e00\u6c14\u5475\u6210\u3002\u5cf0\u4e3b\u4eca\u65e5\u8fd8\u4f20\u6388\u4e86\u5199\u65b9\u6cd5\u7684\u72ec\u95e8\u5fc3\u6cd5"\u53cd\u63a8\u6cd5"，\u4ee5\u53ca\u4e0d\u5efa\u5bf9\u8c61\u4e5f\u80fd\u76f4\u63a5\u8c03\u7528\u7684 static \u9759\u6001\u529f\u6cd5\u3002\u672c\u5377\u7406\u8bba\u7bc7（01）\u7ec3"\u5fc3\u660e"，\u628a\u65b9\u6cd5\u5b9a\u4e49\u3001\u56db\u5927\u5206\u7c7b\u3001\u8c03\u7528\u89c4\u5219\u3001\u91cd\u8f7d\u3001\u53cd\u63a8\u6cd5\u4e0e\u9759\u6001\u9010\u4e00\u5403\u900f；\u5b9e\u64cd\u7bc7（02）\u7ec3"\u624b\u719f"，\u516d\u9053\u4f5c\u4e1a\u9898\u5168\u662f\u65b9\u6cd5\u7684\u5b9e\u6218\u6f14\u7ec3，\u5176\u4e2d\u91cd\u8f7d\u3001\u52a0\u6743\u6821\u9a8c\u66f4\u662f\u4eca\u65e5\u7684\u91cd\u4e2d\u4e4b\u91cd\u3002<\/p>\n

\u7b2c\u4e00\u90e8\u5206 \u7406\u8bba 01<\/h2>\n

\u4eca\u65e5\u529f\u6cd5\u901f\u89c8<\/h3>\n\n\u529f\u6cd5 \/ \u6cd5\u5668\u7528\u9014\u8bf4\u660e<\/tr>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u5b9e\u4f8b\u53d8\u91cf \/ \u5c40\u90e8\u53d8\u91cf<\/td>\n\u5b9a\u4e49\u5728\u7c7b\u4e2d vs \u5b9a\u4e49\u5728\u65b9\u6cd5\u4e2d：\u4e00\u4e2a\u6709\u9ed8\u8ba4\u503c，\u4e00\u4e2a\u5fc5\u987b\u624b\u52a8\u521d\u59cb\u5316<\/td>\n<\/tr>\n
\u65b9\u6cd5（\u51fd\u6570）<\/td>\n\u5c01\u88c5\u4e00\u6bb5\u5b8c\u6574\u529f\u80fd，\u5199\u5728\u7c7b\u7684\u5927\u62ec\u53f7\u5185，\u5199\u7ed9\u522b\u4eba\u7528<\/td>\n<\/tr>\n
\u8fd4\u56de\u7c7b\u578b<\/td>\nvoid \u65e0\u8fd4\u56de \/ \u5177\u4f53\u6570\u636e\u7c7b\u578b\u6709\u8fd4\u56de，\u4e8c\u8005\u5199\u6cd5\u4e0d\u540c<\/td>\n<\/tr>\n
\u5f62\u53c2 \/ \u5b9e\u53c2<\/td>\n\u5b9a\u4e49\u65f6\u7684\u53c2\u6570\u58f0\u660e vs \u8c03\u7528\u65f6\u4f20\u5165\u7684\u5177\u4f53\u503c，\u7c7b\u578b\u8981\u5339\u914d<\/td>\n<\/tr>\n
return<\/td>\n\u6709\u8fd4\u56de\u503c\u7684\u65b9\u6cd5\u5fc5\u5199；\u65e0\u8fd4\u56de\u503c\u4e5f\u53ef\u5199，\u4f5c\u7528\u662f\u76f4\u63a5\u7ed3\u675f\u65b9\u6cd5<\/td>\n<\/tr>\n
\u65b9\u6cd5\u56db\u5927\u5206\u7c7b<\/td>\n\u65e0\u53c2\u65e0\u8fd4\u56de\u503c \/ \u6709\u53c2\u65e0\u8fd4\u56de\u503c \/ \u65e0\u53c2\u6709\u8fd4\u56de\u503c \/ \u6709\u53c2\u6709\u8fd4\u56de\u503c<\/td>\n<\/tr>\n
\u65b9\u6cd5\u91cd\u8f7d<\/td>\n\u65b9\u6cd5\u540d\u76f8\u540c + \u53c2\u6570\u5217\u8868\u4e0d\u540c，\u8c03\u7528\u65f6\u6309\u5b9e\u53c2\u81ea\u52a8\u5339\u914d<\/td>\n<\/tr>\n
\u5192\u6ce1\u6392\u5e8f Sort<\/td>\n\u81ea\u5b9a\u4e49\u5347\u5e8f\u6392\u5e8f，\u6574\u578b \/ \u6d6e\u70b9\u578b\u5404\u4e00\u7248（\u91cd\u8f7d）<\/td>\n<\/tr>\n
ToString<\/td>\n\u81ea\u5b9a\u4e49\u6570\u7ec4\u8f6c\u5b57\u7b26\u4e32\u8f93\u51fa，\u4e0d\u518d\u624b\u52a8 for \u904d\u5386<\/td>\n<\/tr>\n
\u53cd\u63a8\u6cd5<\/td>\n\u5148\u5199\u8c03\u7528\u903b\u8f91，\u518d\u9010\u6b65\u8865\u65b9\u6cd5\u5b9e\u73b0\u2014\u2014\u5199\u65b9\u6cd5\u7684\u9ad8\u7ea7\u5fc3\u6cd5<\/td>\n<\/tr>\n
\u8eab\u4efd\u8bc1\u6821\u9a8c\u7b97\u6cd5<\/td>\n\u524d 17 \u4f4d \u00d7 \u6743\u91cd\u6c42\u548c \u2192 \u53d6\u6a21 11 \u2192 \u6620\u5c04\u51fa\u6821\u9a8c\u5b57\u7b26<\/td>\n<\/tr>\n
\u9759\u6001 static<\/td>\n\u7c7b\u540d\u76f4\u63a5\u70b9\u8c03\u7528，\u65e0\u9700\u521b\u5efa\u5bf9\u8c61<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u7b2c\u4e00\u7ae0 \u6628\u65e5\u590d\u76d8：\u5c5e\u6027\u5c01\u7b14，\u65b9\u6cd5\u767b\u53f0<\/h3>\n

\u5f00\u8bb2\u4e4b\u524d，\u5cf0\u4e3b\u5148\u628a\u6628\u65e5\u5c5e\u6027\u6536\u4e86\u4e2a\u5c3e\u3002\u6628\u65e5\u8bb2\u4e86\u7c7b\u4e0e\u5bf9\u8c61，\u5c5e\u6027\u7740\u58a8\u9887\u591a，\u65b9\u6cd5\u51e0\u4e4e\u6ca1\u8bb2\u2014\u2014\u4eca\u65e5\u91cd\u70b9\u5c31\u662f\u65b9\u6cd5\u3002<\/p>\n

\u5c5e\u6027\u6628\u65e5\u5df2\u7ecf\u609f\u900f\u51e0\u4ef6\u4e8b：<\/p>\n

    \n
  • \u4e00\u4e2a\u8bfb\u5199\u5c5e\u6027\u5982\u679c\u4e0d\u5e26\u4efb\u4f55\u6761\u4ef6，\u5b83\u5e95\u5c42\u81ea\u52a8\u751f\u6210\u5bf9\u5e94\u7684\u79c1\u6709\u5b57\u6bb5，\u53ea\u662f\u90a3\u884c private int _id; \u4e0d\u663e\u793a\u51fa\u6765\u800c\u5df2；<\/li>\n
  • \u5c5e\u6027\u53ea\u6709\u4e24\u7c7b：\u53ef\u8bfb\u53ef\u5199（\u6709 get \u6709 set）\u548c\u53ea\u8bfb（\u53ea\u6709 get），\u4e0d\u5b58\u5728\u53ea\u5199；<\/li>\n
  • \u540e\u7eed\u5b9e\u9645\u5f00\u53d1\u91cc，\u5e26\u6761\u4ef6\u7684\u5c5e\u6027\u5199\u5f97\u6781\u5c11，\u4e00\u884c public int Id { get; set; } \u5c31\u5b8c\u4e8b，\u4e0d\u9700\u8981\u81ea\u5df1\u5b9a\u4e49\u79c1\u6709\u53d8\u91cf，\u76f4\u63a5\u516c\u5f00\u5c5e\u6027\u3002<\/li>\n<\/ul>\n

    \u5cf0\u4e3b\u53ee\u5631：\u5c5e\u6027\u7684\u95e8\u9053\u6628\u65e5\u5df2\u5c3d，\u4eca\u65e5\u7684\u4e3b\u89d2\u662f\u65b9\u6cd5，\u5168\u4f53\u7ad6\u8d77\u8033\u6735\u3002<\/p>\n

    \u7b2c\u4e8c\u7ae0 \u53d8\u91cf\u4f4f\u54ea，\u547d\u5c31\u4e0d\u540c：\u5b9e\u4f8b\u53d8\u91cf vs \u5c40\u90e8\u53d8\u91cf<\/h3>\n

    \u6628\u65e5\u6709\u4e00\u4e2a\u6ca1\u5c55\u5f00\u7684\u7ec6\u8282：\u53d8\u91cf\u5199\u7684\u4f4d\u7f6e\u4e0d\u540c，\u6548\u679c\u5b8c\u5168\u4e0d\u540c\u3002\u5cf0\u4e3b\u65b0\u5efa OPDAY0201 \u9879\u76ee，\u52a0\u4e86\u4e00\u4e2a stu \u7c7b，\u91cc\u9762\u5199\u4e00\u4e2a public int A;；\u53c8\u5728 Test() \u65b9\u6cd5\u91cc\u5199\u4e00\u4e2a int a;\u3002\u4e24\u8005\u4e00\u5bf9\u6bd4，\u9ad8\u4e0b\u7acb\u5224：<\/p>\n

    class<\/span> Stu<\/span>
    \n{<\/span>
    \n public<\/span> int<\/span><\/span> A;<\/span> \/\/ \u5199\u5728\u7c7b\u91cc：\u5b9e\u4f8b\u53d8\u91cf（\u53c8\u53eb\u6210\u5458\u53d8\u91cf\u3001\u5168\u5c40\u53d8\u91cf\u3001\u5c5e\u6027）<\/span><\/p>\n

    public<\/span> void<\/span><\/span> Test<\/span>(<\/span>)<\/span>
    \n {<\/span>
    \n \/\/ int a; \/\/ \u5199\u5728\u65b9\u6cd5\u91cc：\u5c40\u90e8\u53d8\u91cf<\/span>
    \n Console.<\/span>WriteLine<\/span>(<\/span>A)<\/span>;<\/span> \/\/ OK：\u5bf9\u8c61\u521b\u5efa\u540e A \u5df2\u81ea\u52a8\u521d\u59cb\u5316，\u9ed8\u8ba4\u503c 0<\/span>
    \n \/\/ Console.WriteLine(a); \/\/ \u62a5\u9519：\u5c40\u90e8\u53d8\u91cf\u4e0d\u521d\u59cb\u5316，\u4e0d\u80fd\u76f4\u63a5\u4f7f\u7528<\/span>
    \n }<\/span>
    \n}<\/span><\/p>\n\n\u5bf9\u6bd4\u9879\u5b9e\u4f8b\u53d8\u91cf（\u7c7b\u4e2d）\u5c40\u90e8\u53d8\u91cf（\u65b9\u6cd5\u4e2d）<\/tr>\n\n\n\n\n
    \u5b9a\u4e49\u4f4d\u7f6e<\/td>\n\u7c7b\u7684\u5927\u62ec\u53f7\u5185<\/td>\n\u65b9\u6cd5\u7684\u5927\u62ec\u53f7\u5185<\/td>\n<\/tr>\n
    \u6709\u65e0\u521d\u59cb\u503c<\/td>\n\u6709（\u521b\u5efa\u5bf9\u8c61\u65f6\u81ea\u52a8\u521d\u59cb\u5316）<\/td>\n\u65e0（\u5fc5\u987b\u624b\u52a8\u8d4b\u503c\u624d\u80fd\u7528）<\/td>\n<\/tr>\n
    \u4f7f\u7528\u8303\u56f4<\/td>\n\u5f53\u524d\u7c7b\u7684\u6240\u6709\u666e\u901a\u65b9\u6cd5\u90fd\u80fd\u7528<\/td>\n\u53ea\u80fd\u5728\u5b9a\u4e49\u5b83\u7684\u65b9\u6cd5\u5185\u7528<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u5173\u952e\u5728"\u521d\u59cb\u5316"\u4e09\u4e2a\u5b57\u3002\u8fd9\u4e2a A \u5199\u5728\u7c7b\u91cc\u65f6\u5e76\u6ca1\u6709\u503c，\u5b83\u8981\u7b49\u5230"\u51fa\u751f"\u90a3\u4e00\u523b\u624d\u6709\u2014\u2014\u4e5f\u5c31\u662f new Stu() \u521b\u5efa\u5bf9\u8c61\u7684\u90a3\u4e00\u523b，new \u5173\u952e\u5b57\u987a\u624b\u628a\u7c7b\u91cc\u7684\u6240\u6709\u5b9e\u4f8b\u53d8\u91cf\u521d\u59cb\u5316\u4e86\u4e00\u904d\u3002\u6240\u4ee5\u4e0d\u521b\u5efa\u5bf9\u8c61，A \u6839\u672c\u4e0d\u5b58\u5728；\u521b\u5efa\u4e86\u5bf9\u8c61，A \u5c31\u6709\u9ed8\u8ba4\u503c 0\u3002\u56de\u60f3\u6570\u7ec4 int[] arr = new int[10]，\u5341\u4e2a\u5143\u7d20\u4e2a\u4e2a\u6709\u9ed8\u8ba4\u503c\u2014\u2014new \u5173\u952e\u5b57\u7684\u4f5c\u7528\u5c31\u662f\u521d\u59cb\u5316，\u4e07\u7269\u540c\u6e90\u3002<\/p>\n

    \u800c\u65b9\u6cd5\u91cc\u7684\u5c40\u90e8\u53d8\u91cf\u6ca1\u4eba\u7ed9\u5b83\u521d\u59cb\u5316，\u4f60\u4e0d\u8d4b\u503c\u5c31\u7528，\u7f16\u8bd1\u5668\u76f4\u63a5\u7ea2\u53c9\u3002<\/p>\n

    \u5cf0\u4e3b\u53ee\u5631：\u8fd9\u4e2a\u53d8\u91cf\u53eb\u6cd5\u5f88\u591a，\u5c5e\u6027\u3001\u6210\u5458\u53d8\u91cf\u3001\u5b9e\u4f8b\u53d8\u91cf\u3001\u5168\u5c40\u53d8\u91cf\u90fd\u662f\u5b83，\u8bf4\u54ea\u4e2a\u90fd\u4e0d\u7b97\u9519，\u4f46\u5fc3\u91cc\u8981\u6e05\u695a\u2014\u2014\u5b83\u4eec\u6307\u7684\u662f\u540c\u4e00\u4e2a\u4e1c\u897f：\u5b9a\u4e49\u5728\u7c7b\u91cc\u7684\u53d8\u91cf\u3002\u65e5\u540e\u5b66\u9759\u6001\u53d8\u91cf，\u4e09\u8005\u8fd8\u8981\u62ff\u6765\u505a\u4e00\u6b21\u5927\u5bf9\u6bd4，\u4f0f\u7b14\u5148\u57cb\u4e0b\u3002<\/p>\n

    \u5cf0\u4e3b\u4f0f\u7b14：\u4ece\u4eca\u65e5\u8d77\u5199\u4f5c\u4e1a，\u4e00\u4e2a\u9879\u76ee\u5c31\u80fd\u5199\u5b8c\u6240\u6709\u9898，\u4e0d\u5fc5\u4e00\u9898\u4e00\u4e2a\u9879\u76ee\u2014\u2014\u8fd9\u6b63\u662f\u6709\u4e86\u7c7b\u7684\u597d\u5904\u3002<\/p>\n

    \u7b2c\u4e09\u7ae0 \u65b9\u6cd5\u662f\u4ec0\u4e48：\u4e00\u6bb5\u88ab\u5c01\u88c5\u7684\u529f\u6cd5<\/h3>\n

    \u65b9\u6cd5\u7684\u5b9a\u4e49\u5c31\u4e00\u53e5\u8bdd：\u5c01\u88c5\u4e86\u4e00\u6bb5\u5b8c\u6574\u529f\u80fd\u3002\u5b83\u662f\u5199\u5728\u7c7b\u7684\u5927\u62ec\u53f7\u91cc\u9762\u7684，\u4e0d\u80fd\u8131\u79bb\u7c7b\u5355\u72ec\u5b58\u5728\u3002<\/p>\n

    \u5cf0\u4e3b\u8fde\u6253\u4e09\u4e2a\u6bd4\u65b9，\u52a1\u5fc5\u5403\u900f：<\/p>\n

  • \u86cb\u7092\u996d：\u714e\u86cb\u3001\u653e\u914d\u83dc\u3001\u7ffb\u7092，\u4e00\u6574\u5957\u6d41\u7a0b\u4e0b\u6765\u624d\u6709\u4e00\u7897\u86cb\u7092\u996d\u2014\u2014\u8fd9\u5c31\u662f"\u7092\u996d"\u8fd9\u4e2a\u529f\u80fd\u7684\u5c01\u88c5；<\/li>\n
  • \u9ad8\u94c1\u95f8\u673a：\u4f60\u8fdb\u7ad9\u53ea\u505a\u4e86"\u5237\u4e00\u4e0b\u8eab\u4efd\u8bc1"\u8fd9\u4e00\u4e2a\u52a8\u4f5c，\u95f8\u673a\u5185\u90e8\u5374\u5b8c\u6210\u4e86\u4e00\u6574\u5957\u6821\u9a8c，\u6700\u7ec8\u8fd4\u56de"\u53ef\u4ee5\u8fdb \/ \u6ca1\u8d2d\u7968"\u2014\u2014\u4f60\u53ea\u662f\u628a\u8eab\u4efd\u8bc1\u4f20\u8fdb\u53bb\u4e86，\u6362\u6765\u4e00\u4e2a\u8fd4\u56de\u7ed3\u679c；<\/li>\n
  • \u516c\u53f8\u6d3e\u6d3b：\u5468\u4e00\u5f00\u4f1a\u5206\u4efb\u52a1，\u5468\u4e94\u9879\u76ee\u7ecf\u7406\u76f4\u63a5\u8dd1\u4f60\u7684\u65b9\u6cd5\u9a8c\u6536，\u65b9\u6cd5\u8c03\u7528\u51fa\u9519\u8d23\u4efb\u5c31\u662f\u4f60\u7684\u2014\u2014\u65b9\u6cd5\u5c31\u662f\u4f60\u7684\u5de5\u4f5c\u4efb\u52a1\u3002<\/li>\n

    \u65e2\u7136\u65b9\u6cd5\u662f\u5199\u7ed9\u522b\u4eba\u7528\u7684，\u4fee\u9970\u8bcd\u5c31\u5fc5\u987b\u662f public（\u516c\u5f00）\u3002\u5199\u4e2a private \u65b9\u6cd5\u522b\u4eba\u6839\u672c\u8c03\u4e0d\u5230，\u90a3\u5199\u4e86\u8fd8\u6709\u4ec0\u4e48\u610f\u4e49？<\/p>\n

    \u5cf0\u4e3b\u53ee\u5631：\u4ee5\u540e\u53bb\u516c\u53f8，\u4f60\u7684\u6d3b\u5c31\u662f\u5199\u65b9\u6cd5\u2014\u2014\u628a\u4e00\u6bb5\u4efb\u52a1\u5c01\u88c5\u597d，\u522b\u4eba\u62ff\u6765\u5c31\u7528\u3002<\/p>\n

    \u7b2c\u56db\u7ae0 \u65b9\u6cd5\u5b9a\u4e49\u4e94\u8981\u7d20<\/h3>\n

    \u4e00\u4e2a\u65b9\u6cd5\u7531\u4e94\u90e8\u5206\u7ec4\u6210，\u7f3a\u4e00\u4e0d\u53ef：<\/p>\n

    public<\/span> int<\/span><\/span> Add<\/span>(<\/span>int<\/span><\/span> a,<\/span> int<\/span><\/span> b)<\/span>
    \n{<\/span>
    \n return<\/span> a +<\/span> b;<\/span>
    \n}<\/span><\/p>\n\n\u8981\u7d20\u8bf4\u660e<\/tr>\n\n\n\n\n\n\n
    \u4fee\u9970\u8bcd<\/td>\n\u9ed8\u8ba4 public，\u516c\u5f00\u7ed9\u522b\u4eba\u8c03\u7528<\/td>\n<\/tr>\n
    \u8fd4\u56de\u7c7b\u578b<\/td>\n\u65e0\u8fd4\u56de\u5199 void；\u6709\u8fd4\u56de\u5199\u8fd4\u56de\u7684\u6570\u636e\u7c7b\u578b（int\u3001double\u3001string\u2026\u2026）<\/td>\n<\/tr>\n
    \u65b9\u6cd5\u540d<\/td>\n\u89c1\u540d\u77e5\u4e49 + \u9996\u5b57\u6bcd\u5927\u5199<\/td>\n<\/tr>\n
    \u5f62\u53c2\u5217\u8868<\/td>\n\u5c0f\u62ec\u53f7\u91cc\u7684\u53d8\u91cf\u58f0\u660e，\u53ef\u4ee5\u6709 0 \u4e2a\u6216\u591a\u4e2a，\u591a\u4e2a\u7528\u9017\u53f7\u9694\u5f00<\/td>\n<\/tr>\n
    \u65b9\u6cd5\u4f53<\/td>\n\u5927\u62ec\u53f7\u91cc\u7684\u5177\u4f53\u5b9e\u73b0；\u6709\u8fd4\u56de\u503c\u5fc5\u987b\u5199 return，\u4e14\u8fd4\u56de\u5185\u5bb9\u4e0e\u58f0\u660e\u7c7b\u578b\u5339\u914d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n
    • \u8fd4\u56de\u7c7b\u578b：\u5cf0\u4e3b\u7528"\u8ba9\u5988\u5988\u505a\u86cb\u7092\u996d"\u7c7b\u6bd4\u2014\u2014\u65e0\u8fd4\u56de\u76f8\u5f53\u4e8e\u5988\u5988\u8ba9\u4f60\u81ea\u5df1\u6eda\u4e0b\u53bb\u7092（void，\u9ed8\u9ed8\u505a\u4e8b\u4e0d\u4ea4\u7ed3\u679c）；\u6709\u8fd4\u56de\u76f8\u5f53\u4e8e\u5988\u5988\u628a\u7092\u597d\u7684\u86cb\u7092\u996d\u7aef\u7ed9\u4f60（\u8fd4\u56de\u4e00\u4e2a\u6574\u6570\u3001\u5c0f\u6570\u3001\u5b57\u7b26\u4e32\u2026\u2026）\u3002\u8fd4\u56de\u7c7b\u578b\u5199\u6210\u4ec0\u4e48，\u53d6\u51b3\u4e8e\u65b9\u6cd5\u6700\u7ec8\u8fd4\u56de\u4ec0\u4e48\u3002<\/li>\n
    • \u65b9\u6cd5\u540d：\u89c1\u540d\u77e5\u4e49\u3001\u9996\u5b57\u6bcd\u5927\u5199\u3002\u5cf0\u4e3b\u70b9\u540d\u6279\u8bc4：\u6628\u5929\u4e0d\u5c11\u4eba\u65b9\u6cd5\u540d\u6ca1\u5927\u5199，\u4ece\u4eca\u5929\u8d77\u6240\u6709\u65b9\u6cd5\u540d\u5fc5\u987b\u9996\u5b57\u6bcd\u5927\u5199，\u517b\u6210\u4e60\u60ef，\u5426\u5219\u65e5\u540e\u662f\u81f4\u547d\u7684\u6253\u51fb\u3002<\/li>\n
    • \u5f62\u53c2：\u5c31\u662f\u53d8\u91cf\u7684\u58f0\u660e，\u53ea\u662f"\u5f62\u5f0f\u4e0a\u7684\u53c2\u6570"，\u76f8\u5f53\u4e8e\u7559\u4e00\u4e2a\u53e3\u5b50\u63a5\u6536\u5916\u9762\u4f20\u8fdb\u6765\u7684\u4e1c\u897f，\u522b\u4eba\u4f20\u4ec0\u4e48\u4f60\u5c31\u7b54\u4ec0\u4e48\u3002<\/li>\n
    • return：\u6709\u8fd4\u56de\u503c\u7684\u65b9\u6cd5\u5fc5\u5199；return \u7684\u8fd4\u56de\u5185\u5bb9\u8981\u548c\u58f0\u660e\u65f6\u7684\u6570\u636e\u7c7b\u578b\u5339\u914d\u3002<\/li>\n<\/ul>\n

      \u5cf0\u4e3b\u53ee\u5631：\u8fd9\u4e94\u8981\u7d20\u5c31\u662f\u65b9\u6cd5\u7684"\u5f00\u7089\u4e4b\u6cd5"，\u5f80\u540e\u5199\u65b9\u6cd5\u5168\u90fd\u7167\u7740\u8fd9\u5957\u6765\u3002<\/p>\n

      \u7b2c\u4e94\u7ae0 \u65b9\u6cd5\u56db\u5927\u5206\u7c7b\u4e0e\u8c03\u7528\u89c4\u5219<\/h3>\n

      \u65b9\u6cd5\u6309"\u6709\u6ca1\u6709\u53c2\u6570\u3001\u6709\u6ca1\u6709\u8fd4\u56de\u503c"\u5206\u6210\u56db\u5927\u7c7b：<\/p>\n\n\u5206\u7c7b\u5199\u6cd5\u7279\u5f81\u4f7f\u7528\u9891\u7387<\/tr>\n\n\n\n\n\n
      \u65e0\u53c2\u65e0\u8fd4\u56de\u503c<\/td>\npublic void Method01()<\/td>\n\u4f4e<\/td>\n<\/tr>\n
      \u6709\u53c2\u65e0\u8fd4\u56de\u503c<\/td>\npublic void Method02(int a)<\/td>\n\u9ad8<\/td>\n<\/tr>\n
      \u65e0\u53c2\u6709\u8fd4\u56de\u503c<\/td>\npublic double Method03()<\/td>\n\u4f4e<\/td>\n<\/tr>\n
      \u6709\u53c2\u6709\u8fd4\u56de\u503c<\/td>\npublic int Method04(int a, int b)<\/td>\n\u9ad8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u8bfe\u5802\u9010\u4e00\u6f14\u793a（\u4ee5\u4e0b\u4ee3\u7801\u5747\u53ef\u7f16\u8bd1\u8fd0\u884c）：<\/p>\n

      class<\/span> Stu<\/span>
      \n{<\/span>
      \n \/\/ \u65e0\u53c2\u65e0\u8fd4\u56de\u503c<\/span>
      \n public<\/span> void<\/span><\/span> Method01<\/span>(<\/span>)<\/span>
      \n {<\/span>
      \n Console.<\/span>WriteLine<\/span>(<\/span>"\u4f60\u597d"<\/span>)<\/span>;<\/span>
      \n }<\/span><\/p>\n

      \/\/ \u6709\u53c2\u65e0\u8fd4\u56de\u503c：\u5f62\u53c2 a \u76f4\u63a5\u7528，\u65e0\u9700\u989d\u5916\u8d4b\u503c<\/span>
      \n public<\/span> void<\/span><\/span> Method02<\/span>(<\/span>int<\/span><\/span> a)<\/span>
      \n {<\/span>
      \n Console.<\/span>WriteLine<\/span>(<\/span>a)<\/span>;<\/span>
      \n }<\/span><\/p>\n

      \/\/ \u65e0\u53c2\u6709\u8fd4\u56de\u503c：\u5fc5\u987b\u6709 return，\u8fd4\u56de 5.6<\/span>
      \n public<\/span> double<\/span><\/span> Method03<\/span>(<\/span>)<\/span>
      \n {<\/span>
      \n return<\/span> 5.6<\/span>;<\/span>
      \n }<\/span><\/p>\n

      \/\/ \u6709\u53c2\u6709\u8fd4\u56de\u503c：return a + b \u7684\u548c<\/span>
      \n public<\/span> int<\/span><\/span> Method04<\/span>(<\/span>int<\/span><\/span> a,<\/span> int<\/span><\/span> b)<\/span>
      \n {<\/span>
      \n return<\/span> a +<\/span> b;<\/span>
      \n }<\/span>
      \n}<\/span><\/p>\n

      \u8c03\u7528\u65f6\u4e09\u6761\u94c1\u5f8b：<\/p>\n

    • \u6709\u53c2\u65b9\u6cd5\u5fc5\u987b\u4f20\u53c2：\u4f20\u7684\u662f\u5b9e\u53c2（\u5177\u4f53\u503c），\u7c7b\u578b\u5fc5\u987b\u4e0e\u5f62\u53c2\u4e00\u81f4，\u6216\u6bd4\u5b83\u5c0f（byte\u3001short \u7b49\u53ef\u4ee5\u9690\u5f0f\u8f6c\u6362\u7684\u4e5f\u53ef\u4ee5）\u3002\u4f20\u4e2a 7.8 \u7ed9 int a，\u76f4\u63a5\u62a5\u9519\u3002\u5f62\u53c2\u662f\u5b9a\u4e49\u65f6\u7684\u5360\u4f4d，\u5b9e\u53c2\u662f\u8c03\u7528\u65f6\u7684\u771f\u503c\u2014\u2014\u5199\u7684\u65f6\u5019\u662f\u5f62\u53c2，\u8c03\u7528\u7684\u65f6\u5019\u662f\u5b9e\u53c2\u3002<\/li>\n
    • \u6709\u8fd4\u56de\u503c\u5fc5\u987b"\u5148\u63a5\u6536，\u518d\u8f93\u51fa"：double d = s.Method03(); Console.WriteLine(d); \u63a5\u6536\u540e\u518d\u5904\u7406；\u4e5f\u53ef\u4ee5\u76f4\u63a5\u628a\u65b9\u6cd5\u8c03\u7528\u585e\u8fdb\u8f93\u51fa\u8bed\u53e5（Console.WriteLine(s.Method03());）\u6548\u679c\u4e00\u6837\u3002\u65e0\u8fd4\u56de\u503c\u7684\u65b9\u6cd5\u76f4\u63a5\u8c03\u7528\u5373\u53ef\u3002\u770b Random \u5c31\u61c2：int a1 = r.Next(); \u5148\u63a5\u6536\u968f\u673a\u6570，\u518d\u8f93\u51fa\u2014\u2014\u56e0\u4e3a Next() \u662f\u6709\u8fd4\u56de\u503c\u7684\u65b9\u6cd5\u3002<\/li>\n
    • \u5f53\u524d\u7c7b\u5185\u90e8\u8c03\u7528\u81ea\u8eab\u65b9\u6cd5，\u4e0d\u9700\u8981 new \u5bf9\u8c61：\u5728 Stu \u7c7b\u5185\u90e8\u76f4\u63a5 Method02(7); \u5c31\u80fd\u8c03，\u5916\u9762\u624d\u9700\u8981 Stu s = new Stu(); s.Method02(7);\u3002<\/li>\n

      IDE \u91cc\u600e\u4e48\u8ba4\u8fd9\u4e9b"\u62db\u6cd5"\u56fe\u6807：\u65b9\u6cd5\u662f\u4e94\u8fb9\u5f62\u91cc\u4e00\u4e2a Y，\u5c5e\u6027\u662f\u6273\u624b，\u5b57\u6bb5\u662f\u957f\u65b9\u5f62\u2014\u2014\u4e00\u770b\u4fbf\u77e5\u3002\u65b9\u6cd5\u8c03\u7528\u540e\u9762\u6c38\u8fdc\u5e26\u5c0f\u62ec\u53f7 (),\u5c5e\u6027\u8c03\u7528\u4e0d\u5e26\u3002<\/p>\n

      \u8fd0\u884c\u6548\u679c：<\/p>\n

      Method02(7) -> 7
      \nMethod03() -> 5.6
      \nMethod04(5,6) -> 11<\/p>\n

      \u5cf0\u4e3b\u53ee\u5631：\u8fd8\u6709\u4e2a\u5bb9\u6613\u8d70\u706b\u7684\u5730\u65b9\u2014\u2014return \u548c break \u4e0d\u662f\u4e00\u56de\u4e8b\u3002break \u53ea\u662f\u9000\u51fa\u5faa\u73af，return \u662f\u76f4\u63a5\u7ed3\u675f\u6574\u4e2a\u65b9\u6cd5，return \u540e\u9762\u7684\u4ee3\u7801\u6c38\u8fdc\u6267\u884c\u4e0d\u5230（\u4f1a\u53d8\u7070）\u3002\u6709\u8fd4\u56de\u503c\u7684\u65b9\u6cd5\u5199 return \u503c;，\u65e0\u8fd4\u56de\u503c\u7684\u65b9\u6cd5\u4e5f\u53ef\u4ee5\u5199\u4e00\u4e2a\u5149\u79c3\u79c3\u7684 return; \u63d0\u524d\u6536\u5de5\u3002<\/p>\n

      \u7b2c\u516d\u7ae0 \u65b9\u6cd5\u91cd\u8f7d：\u540c\u540d\u4e0d\u540c\u62db<\/h3>\n

      \u573a\u666f\u6765\u4e86：Method04 \u53ea\u80fd\u6c42\u4e24\u4e2a\u6574\u6570\u7684\u548c\u3002\u60f3\u6c42\u4e24\u4e2a\u5c0f\u6570\u600e\u4e48\u529e？\u518d\u5199\u4e00\u4e2a double \u7248\u672c？\u65b9\u6cd5\u540d\u80fd\u4e0d\u80fd\u8fd8\u7528 Method04？<\/p>\n

      \u80fd\u3002\u65b9\u6cd5\u540d\u4e00\u81f4\u3001\u53c2\u6570\u5217\u8868\u4e0d\u540c，\u5c31\u53eb\u65b9\u6cd5\u7684\u91cd\u8f7d\u3002<\/p>\n

      \u5cf0\u4e3b\u65b0\u5efa\u6570\u5b66\u7c7b Mash，\u6f14\u793a\u4e86\u4e00\u6574\u5957\u91cd\u8f7d：<\/p>\n

      class<\/span> Mash<\/span>
      \n{<\/span>
      \n \/\/ \u6c42\u4e24\u4e2a\u6574\u6570\u7684\u548c<\/span>
      \n public<\/span> int<\/span><\/span> Sum<\/span>(<\/span>int<\/span><\/span> a,<\/span> int<\/span><\/span> b)<\/span>
      \n {<\/span>
      \n return<\/span> a +<\/span> b;<\/span>
      \n }<\/span><\/p>\n

      \/\/ \u91cd\u8f7d：\u6c42\u4e24\u4e2a\u5c0f\u6570\u7684\u548c<\/span>
      \n public<\/span> double<\/span><\/span> Sum<\/span>(<\/span>double<\/span><\/span> a,<\/span> double<\/span><\/span> b)<\/span>
      \n {<\/span>
      \n return<\/span> a +<\/span> b;<\/span>
      \n }<\/span><\/p>\n

      \/\/ \u91cd\u8f7d：\u6c42\u6570\u7ec4\u7684\u548c<\/span>
      \n public<\/span> int<\/span><\/span> Sum<\/span>(<\/span>int<\/span>[<\/span>]<\/span><\/span> a)<\/span>
      \n {<\/span>
      \n int<\/span><\/span> sum =<\/span> 0<\/span>;<\/span>
      \n for<\/span> (<\/span>int<\/span><\/span> i =<\/span> 0<\/span>;<\/span> i <<\/span> a.<\/span>Length;<\/span> i++<\/span>)<\/span>
      \n {<\/span>
      \n sum +=<\/span> a[<\/span>i]<\/span>;<\/span>
      \n }<\/span>
      \n return<\/span> sum;<\/span>
      \n }<\/span>
      \n}<\/span><\/p>\n

      \u8c03\u7528\u65f6\u7f16\u8bd1\u5668\u6309\u5b9e\u53c2\u81ea\u52a8\u6311\u7248\u672c：\u4f20 3, 4 \u8d70\u6574\u6570\u7248；\u4f20 3.0, 4.5 \u8d70\u5c0f\u6570\u7248；\u4f20\u6570\u7ec4\u8d70\u6570\u7ec4\u7248\u3002\u53c2\u6570\u5217\u8868\u76f8\u540c\u5c31\u4f1a\u62a5\u9519\u2014\u2014\u7f16\u8bd1\u5668\u4e0d\u77e5\u9053\u4f60\u4f20\u4e24\u4e2a\u6574\u6570\u65f6\u8be5\u8c03\u54ea\u4e00\u4e2a；\u53ea\u8981\u53c2\u6570\u5217\u8868\u4e0d\u540c（\u6570\u91cf\u4e0d\u540c\u3001\u7c7b\u578b\u4e0d\u540c\u90fd\u7b97），\u968f\u4fbf\u5199\u51e0\u4e2a\u90fd\u4e0d\u51b2\u7a81\u3002<\/p>\n

      Mash<\/span> m =<\/span> new<\/span> Mash<\/span>(<\/span>)<\/span>;<\/span>
      \nConsole.<\/span>WriteLine<\/span>(<\/span>m.<\/span>Sum<\/span>(<\/span>3<\/span>,<\/span> 4<\/span>)<\/span>)<\/span>;<\/span> \/\/ 7<\/span>
      \nConsole.<\/span>WriteLine<\/span>(<\/span>m.<\/span>Sum<\/span>(<\/span>3.0<\/span>,<\/span> 4.5<\/span>)<\/span>)<\/span>;<\/span> \/\/ 7.5<\/span>
      \nConsole.<\/span>WriteLine<\/span>(<\/span>m.<\/span>Sum<\/span>(<\/span>new<\/span> int<\/span>[<\/span>]<\/span><\/span>{<\/span>1<\/span>,<\/span>2<\/span>,<\/span>3<\/span>,<\/span>4<\/span>,<\/span>5<\/span>}<\/span>)<\/span>)<\/span>;<\/span> \/\/ 15<\/span><\/p>\n

      \u4e3a\u4ec0\u4e48\u8981\u6709\u91cd\u8f7d？\u56e0\u4e3a\u529f\u80fd\u76f8\u540c\u3001\u5b9e\u73b0\u4e0d\u540c\u7684\u4e8b，\u5c31\u8be5\u5171\u7528\u4e00\u4e2a\u540d\u5b57\u2014\u2014\u90fd\u5728\u6c42\u548c，\u51ed\u4ec0\u4e48\u4e00\u4e2a\u53eb Sum \u4e00\u4e2a\u53eb Add？\u7cfb\u7edf\u7684 Console.WriteLine \u5c31\u662f\u91cd\u8f7d\u5927\u6237：\u8f93\u51fa\u6574\u6570\u3001\u5c0f\u6570\u3001\u5b57\u7b26\u4e32\u3001\u5e03\u5c14\u90fd\u6709\u5bf9\u5e94\u7248\u672c，\u552f\u72ec\u6ca1\u6709\u65e0\u53c2\u7248\u672c，\u6240\u4ee5 Console.WriteLine(); \u76f4\u63a5\u62a5\u9519\u3002Random.Next() \u4e5f\u662f\u91cd\u8f7d：\u4f20\u4e00\u4e2a\u53c2\u6570\u53d6 0 \u5230 n，\u4f20\u4e24\u4e2a\u53c2\u6570\u53d6 n \u5230 m\u3002<\/p>\n

      \u5cf0\u4e3b\u4f0f\u7b14：\u91cd\u8f7d\u4e0d\u53ea\u7528\u5728\u65b9\u6cd5\u4e0a，\u6784\u9020\u51fd\u6570\u4e5f\u80fd\u91cd\u8f7d\u3002\u65b9\u6cd5\u91cd\u8f7d + \u5192\u6ce1\u6392\u5e8f + \u8f6c\u5b57\u7b26\u4e32\u7684\u7ec4\u5408\u62f3\u9a6c\u4e0a\u5c31\u6765\u2014\u2014\u8fd9\u6b63\u662f\u4eca\u5929\u8bfe\u5802\u5e03\u7f6e\u7684\u5b9e\u64cd\u4efb\u52a1，\u4e5f\u662f\u4f60\u4f5c\u4e1a\u9898 5 \u7684\u540c\u4e00\u62db\u3002<\/p>\n

      \u7b2c\u4e03\u7ae0 \u53cd\u63a8\u6cd5：\u8eab\u4efd\u8bc1\u6821\u9a8c\u5b9e\u6218<\/h3>\n

      7.1 \u5148\u8bb2"\u65b9\u6cd5\u6ca1\u5b9e\u73b0"\u7684\u6559\u8bad<\/h4>\n

      \u5cf0\u4e3b\u5148\u6f14\u793a\u4e86\u4e00\u4e2a\u53cd\u4f8b：\u9879\u76ee\u7ecf\u7406\u4e22\u7ed9\u4f60\u4e00\u4e2a\u6392\u5e8f\u65b9\u6cd5，\u4f60"\u5df2\u6709\u4e00\u4e2a\u65b9\u6cd5"\u5374\u538b\u6839\u6ca1\u5b9e\u73b0（\u65b9\u6cd5\u4f53\u662f\u7a7a\u7684），\u8c03\u7528\u540e\u6570\u7ec4\u8f93\u51fa\u987a\u5e8f\u7eb9\u4e1d\u4e0d\u52a8\u2014\u2014\u6392\u5e8f\u6839\u672c\u6ca1\u8d77\u4f5c\u7528\u3002\u5199\u65b9\u6cd5，\u5149\u6709\u58f3\u5b50\u4e0d\u884c，\u5fc5\u987b\u628a\u5b9e\u73b0\u586b\u4e0a\u3002\u6574\u578b\u6570\u7ec4\u5347\u5e8f\u7528\u5192\u6ce1：<\/p>\n

      public<\/span> void<\/span><\/span> Sort<\/span>(<\/span>int<\/span>[<\/span>]<\/span><\/span> arr)<\/span>
      \n{<\/span>
      \n for<\/span> (<\/span>int<\/span><\/span> i =<\/span> 0<\/span>;<\/span> i <<\/span> arr.<\/span>Length –<\/span> 1<\/span>;<\/span> i++<\/span>)<\/span>
      \n {<\/span>
      \n for<\/span> (<\/span>int<\/span><\/span> j =<\/span> 0<\/span>;<\/span> j <<\/span> arr.<\/span>Length –<\/span> 1<\/span> –<\/span> i;<\/span> j++<\/span>)<\/span>
      \n {<\/span>
      \n if<\/span> (<\/span>arr[<\/span>j]<\/span> ><\/span> arr[<\/span>j +<\/span> 1<\/span>]<\/span>)<\/span>
      \n {<\/span>
      \n int<\/span><\/span> t =<\/span> arr[<\/span>j]<\/span>;<\/span>
      \n arr[<\/span>j]<\/span> =<\/span> arr[<\/span>j +<\/span> 1<\/span>]<\/span>;<\/span>
      \n arr[<\/span>j +<\/span> 1<\/span>]<\/span> =<\/span> t;<\/span>
      \n }<\/span>
      \n }<\/span>
      \n }<\/span>
      \n}<\/span><\/p>\n

      \u5199\u5b8c int \u7248，\u590d\u5236\u4e00\u4efd\u628a int \u6539\u6210 double，\u6d6e\u70b9\u6570\u7ec4\u4e5f\u80fd\u6392\u2014\u2014\u8fd9\u5c31\u662f\u91cd\u8f7d\u7684\u5b9e\u6218\u3002<\/p>\n

      \u518d\u770b"\u6570\u7ec4\u8f6c\u5b57\u7b26\u4e32"：\u76f4\u63a5\u8f93\u51fa\u6570\u7ec4\u53ea\u4f1a\u5f97\u5230\u4e00\u4e32\u5730\u5740，\u8981\u7684\u662f 4,34,224,422,542,4244 \u8fd9\u6837\u7684\u5b57\u7b26\u4e32\u3002\u90a3\u5c31\u904d\u5386 + \u62fc\u63a5：<\/p>\n

      public<\/span> string<\/span><\/span> ToString<\/span>(<\/span>int<\/span>[<\/span>]<\/span><\/span> arr)<\/span>
      \n{<\/span>
      \n string<\/span><\/span> s =<\/span> ""<\/span>;<\/span>
      \n for<\/span> (<\/span>int<\/span><\/span> i =<\/span> 0<\/span>;<\/span> i <<\/span> arr.<\/span>Length;<\/span> i++<\/span>)<\/span>
      \n {<\/span>
      \n s +=<\/span> arr[<\/span>i]<\/span>;<\/span>
      \n if<\/span> (<\/span>i <<\/span> arr.<\/span>Length –<\/span> 1<\/span>)<\/span>
      \n {<\/span>
      \n s +=<\/span> ","<\/span>;<\/span>
      \n }<\/span>
      \n }<\/span>
      \n return<\/span> s;<\/span>
      \n}<\/span><\/p>\n

      \u6709\u4e86\u5b83，Main \u91cc\u4e00\u53e5 Console.WriteLine(arrTool.ToString(arr)); \u5c31\u5b8c\u4e8b，\u518d\u4e5f\u4e0d\u7528\u624b\u52a8 for \u5faa\u73af\u8f93\u51fa\u4e86\u2014\u2014\u8fd9\u5c31\u662f\u65b9\u6cd5\u7684\u4ef7\u503c：\u628a\u5e38\u7528\u7684\u6d3b\u513f\u5c01\u88c5\u8d77\u6765，\u62ff\u6765\u5c31\u7528\u3002\u540c\u6837\u7684，\u590d\u5236\u4e00\u4efd\u628a\u53c2\u6570\u6362\u6210 double[] \u5c31\u662f\u6d6e\u70b9\u7248\u91cd\u8f7d\u3002<\/p>\n

      \u8fd0\u884c\u6548\u679c（\u4ee5\u8bfe\u5802\u793a\u4f8b\u6570\u7ec4 {8,3,4,5,4,2,2,2,4,4} \u6f14\u793a）：<\/p>\n

      \u6392\u5e8f\u540e\u8f93\u51fa：2,2,2,3,4,4,4,4,5,8<\/p>\n

      7.2 \u7ecf\u5178\u6848\u4f8b：\u9a8c\u8bc1\u8eab\u4efd\u8bc1\u5408\u6cd5\u6027<\/h4>\n

      \u5cf0\u4e3b\u629b\u51fa\u4eca\u65e5\u6700\u7ecf\u5178\u7684\u6848\u4f8b：\u8eab\u4efd\u8bc1\u5408\u6cd5\u6027\u6821\u9a8c\u3002\u8eab\u4efd\u8bc1 18 \u4f4d\u7531\u56db\u6bb5\u7ec4\u6210\u2014\u2014\u524d 6 \u4f4d\u5730\u5740\u7801（\u884c\u653f\u533a\u5212）\u30018 \u4f4d\u51fa\u751f\u65e5\u671f\u30013 \u4f4d\u987a\u5e8f\u7801（\u5947\u6570\u7537\u3001\u5076\u6570\u5973）\u3001\u6700\u540e 1 \u4f4d\u6821\u9a8c\u7801\u3002\u800c\u6700\u540e\u4e00\u4f4d\u4e0d\u662f\u62cd\u8111\u888b\u5b9a\u7684，\u662f\u7531\u524d 17 \u4f4d\u7b97\u51fa\u6765\u7684：<\/p>\n

        \n
      • \u524d 17 \u4f4d\u5206\u522b\u4e58\u4ee5\u56fa\u5b9a\u6743\u91cd：7 9 10 5 8 4 2 1 6 3 7 9 10 5 8 4 2；<\/li>\n
      • \u52a0\u6743\u6c42\u548c，\u518d\u5bf9 11 \u53d6\u6a21（sum % 11）；<\/li>\n
      • \u4f59\u6570 0~10 \u4f9d\u6b21\u6620\u5c04\u6821\u9a8c\u5b57\u7b26：1 0 X 9 8 7 6 5 4 3 2\u3002<\/li>\n<\/ul>\n

        7.3 \u53cd\u63a8\u6cd5：\u5148\u5199\u8c03\u7528\u65b9，\u518d\u8865\u65b9\u6cd5<\/h4>\n

        \u5cf0\u4e3b\u5f3a\u8c03：\u5199\u65b9\u6cd5\u6700\u9ad8\u7ea7\u7684\u5fc3\u6cd5\u662f\u53cd\u63a8\u6cd5\u2014\u2014\u4e0d\u77e5\u9053\u65b9\u6cd5\u600e\u4e48\u5199\u6ca1\u5173\u7cfb，\u5148\u77e5\u9053\u8981\u5b9e\u73b0\u4ec0\u4e48，\u628a"\u8c03\u7528\u903b\u8f91"\u5199\u597d，\u62a5\u9519\u7684\u5730\u65b9\u518d\u4e00\u4e2a\u4e2a\u8865\u65b9\u6cd5\u3002<\/p>\n

        \u50cf\u9ad8\u94c1\u95f8\u673a\u4e00\u6837，\u7a0b\u5e8f\u53ea\u9700"\u5237\u8eab\u4efd\u8bc1"：\u8f93\u5165\u524d 17 \u4f4d \u2192 \u7b97\u51fa\u6821\u9a8c\u5b57\u7b26 \u2192 \u8f93\u5165\u6700\u540e\u4e00\u4f4d \u2192 \u6bd4\u8f83\u3002\u8c03\u7528\u65b9\u5148\u5199\u6210\u8fd9\u6837：<\/p>\n

        Card<\/span> card =<\/span> new<\/span> Card<\/span>(<\/span>)<\/span>;<\/span>
        \nConsole.<\/span>WriteLine<\/span>(<\/span>"\u8bf7\u8f93\u5165\u8eab\u4efd\u8bc1\u7684\u524d17\u4f4d"<\/span>)<\/span>;<\/span>
        \nstring<\/span><\/span> s =<\/span> Console.<\/span>ReadLine<\/span>(<\/span>)<\/span>;<\/span> \/\/ \u7b2c 1 \u6b65：\u8f93\u5165\u524d 17 \u4f4d<\/span>
        \nchar<\/span><\/span> ch =<\/span> card.<\/span>YanZheng<\/span>(<\/span>s)<\/span>;<\/span> \/\/ \u7b2c 2 \u6b65：\u7b97\u51fa\u6821\u9a8c\u5b57\u7b26（\u65b9\u6cd5\u5f85\u8865）<\/span>
        \nConsole.<\/span>WriteLine<\/span>(<\/span>"\u8bf7\u8f93\u5165\u8eab\u4efd\u8bc1\u7684\u6700\u540e\u4e00\u4f4d"<\/span>)<\/span>;<\/span>
        \nchar<\/span><\/span> ch1 =<\/span> char<\/span>.<\/span>Parse<\/span>(<\/span>Console.<\/span>ReadLine<\/span>(<\/span>)<\/span>)<\/span>;<\/span> \/\/ \u7b2c 3 \u6b65：\u8f93\u5165\u6700\u540e\u4e00\u4f4d<\/span>
        \nif<\/span> (<\/span>ch1 ==<\/span> ch)<\/span>
        \n Console.<\/span>WriteLine<\/span>(<\/span>"\u8eab\u4efd\u8bc1\u5408\u6cd5"<\/span>)<\/span>;<\/span>
        \nelse<\/span>
        \n Console.<\/span>WriteLine<\/span>(<\/span>"\u8eab\u4efd\u8bc1\u4e0d\u5408\u6cd5"<\/span>)<\/span>;<\/span><\/p>\n

        card.YanZheng(s) \u62a5\u9519？\u90a3\u5c31\u53bb\u8865\u8fd9\u4e2a\u65b9\u6cd5，\u4e00\u6b65\u6b65\u53cd\u63a8：<\/p>\n

        class<\/span> Card<\/span>
        \n{<\/span>
        \n \/\/ \u53cd\u63a8\u7b2c 1 \u5c42：\u524d17\u4f4d \u00d7 \u6743\u91cd\u6c42\u548c \u2192 \u53d6\u6a2111 \u2192 \u6620\u5c04\u5b57\u7b26<\/span>
        \n public<\/span> char<\/span><\/span> YanZheng<\/span>(<\/span>string<\/span><\/span> str)<\/span>
        \n {<\/span>
        \n int<\/span>[<\/span>]<\/span><\/span> arr =<\/span> new<\/span> int<\/span><\/span>[<\/span>17<\/span>]<\/span> {<\/span> 7<\/span>,<\/span> 9<\/span>,<\/span> 10<\/span>,<\/span> 5<\/span>,<\/span> 8<\/span>,<\/span> 4<\/span>,<\/span> 2<\/span>,<\/span> 1<\/span>,<\/span> 6<\/span>,<\/span> 3<\/span>,<\/span> 7<\/span>,<\/span> 9<\/span>,<\/span> 10<\/span>,<\/span> 5<\/span>,<\/span> 8<\/span>,<\/span> 4<\/span>,<\/span> 2<\/span> }<\/span>;<\/span>
        \n long<\/span><\/span> sum =<\/span> Sum<\/span>(<\/span>str,<\/span> arr)<\/span>;<\/span> \/\/ \u53cd\u63a8\u7b2c 2 \u5c42：\u6c42\u548c\u7684\u65b9\u6cd5<\/span>
        \n long<\/span><\/span> a =<\/span> sum %<\/span> 11<\/span>;<\/span>
        \n char<\/span><\/span> c =<\/span> GetChar<\/span>(<\/span>a)<\/span>;<\/span> \/\/ \u53cd\u63a8\u7b2c 3 \u5c42：\u4f59\u6570\u8f6c\u5b57\u7b26\u7684\u65b9\u6cd5<\/span>
        \n return<\/span> c;<\/span>
        \n }<\/span><\/p>\n

        \/\/ \u5b57\u7b26\u4e32\u7684\u6bcf\u4e00\u4f4d\u6570\u5b57 \u00d7 \u6743\u91cd，\u7d2f\u52a0<\/span>
        \n public<\/span> long<\/span><\/span> Sum<\/span>(<\/span>string<\/span><\/span> str,<\/span> int<\/span>[<\/span>]<\/span><\/span> arr)<\/span>
        \n {<\/span>
        \n long<\/span>[<\/span>]<\/span><\/span> arr1 =<\/span> Parse<\/span>(<\/span>str)<\/span>;<\/span> \/\/ \u53cd\u63a8\u7b2c 4 \u5c42：\u5b57\u7b26\u4e32\u8f6c\u6570\u5b57\u6570\u7ec4<\/span>
        \n long<\/span><\/span> sum =<\/span> 0<\/span>;<\/span>
        \n for<\/span> (<\/span>int<\/span><\/span> i =<\/span> 0<\/span>;<\/span> i <<\/span> arr1.<\/span>Length;<\/span> i++<\/span>)<\/span>
        \n {<\/span>
        \n sum +=<\/span> arr1[<\/span>i]<\/span> *<\/span> arr[<\/span>i]<\/span>;<\/span>
        \n }<\/span>
        \n return<\/span> sum;<\/span>
        \n }<\/span><\/p>\n

        \/\/ 17 \u4f4d\u5b57\u7b26\u4e32 \u2192 \u6570\u5b57\u6570\u7ec4（17 \u4f4d\u5df2\u8d85\u8fc7 int \u4e0a\u9650，\u7528 long）<\/span>
        \n public<\/span> long<\/span>[<\/span>]<\/span><\/span> Parse<\/span>(<\/span>string<\/span><\/span> s)<\/span>
        \n {<\/span>
        \n long<\/span>[<\/span>]<\/span><\/span> arr =<\/span> new<\/span> long<\/span><\/span>[<\/span>17<\/span>]<\/span>;<\/span>
        \n long<\/span><\/span> l =<\/span> long<\/span>.<\/span>Parse<\/span>(<\/span>s)<\/span>;<\/span>
        \n int<\/span><\/span> index =<\/span> 16<\/span>;<\/span>
        \n while<\/span> (<\/span>l ><\/span> 0<\/span>)<\/span>
        \n {<\/span>
        \n arr[<\/span>index]<\/span> =<\/span> l %<\/span> 10<\/span>;<\/span> \/\/ \u53d6\u4e2a\u4f4d<\/span>
        \n l \/=<\/span> 10<\/span>;<\/span> \/\/ \u53bb\u6389\u4e2a\u4f4d<\/span>
        \n index—<\/span>;<\/span> \/\/ \u4e0b\u6807\u5f80\u524d\u632a<\/span>
        \n }<\/span>
        \n return<\/span> arr;<\/span>
        \n }<\/span><\/p>\n

        \/\/ \u4f59\u6570 \u2192 \u6821\u9a8c\u5b57\u7b26<\/span>
        \n public<\/span> char<\/span><\/span> GetChar<\/span>(<\/span>long<\/span><\/span> a)<\/span>
        \n {<\/span>
        \n char<\/span>[<\/span>]<\/span><\/span> c =<\/span> new<\/span> char<\/span><\/span>[<\/span>11<\/span>]<\/span> {<\/span> '1'<\/span>,<\/span> '0'<\/span>,<\/span> 'X'<\/span>,<\/span> '9'<\/span>,<\/span> '8'<\/span>,<\/span> '7'<\/span>,<\/span> '6'<\/span>,<\/span> '5'<\/span>,<\/span> '4'<\/span>,<\/span> '3'<\/span>,<\/span> '2'<\/span> }<\/span>;<\/span>
        \n return<\/span> c[<\/span>(<\/span>int<\/span>)<\/span>a]<\/span>;<\/span>
        \n }<\/span>
        \n}<\/span><\/p>\n

        \u4e3a\u4ec0\u4e48\u8981\u7528 long？ 17 \u4f4d\u6570\u5b57\u65e9\u5c31\u7206\u4e86 int \u7684\u4e0a\u9650，\u53ea\u80fd\u7528 long\u3002\u8bfe\u5802\u4e0a\u5cf0\u4e3b\u5c31\u683d\u5728\u8fd9\u91cc：\u4e00\u5f00\u59cb\u7528 int \u5f3a\u8f6c，\u6253\u6869\u6d4b\u8bd5（\u4e34\u65f6\u8f93\u51fa\u4e2d\u95f4\u53d8\u91cf\u6392\u67e5，\u5c31\u53eb\u6253\u6869\u6d4b\u8bd5）\u53d1\u73b0\u7b2c 4 \u4f4d\u4e4b\u540e\u6570\u636e\u5168\u9519\u2014\u2014long \u5f3a\u8f6c\u6210 int \u51fa\u4e86\u4e71\u5b50，\u6700\u540e\u7edf\u4e00\u6539\u6210 long \u7c7b\u578b，\u4e00\u6b21\u901a\u8fc7\u3002\u5199\u4ee3\u7801\u8981\u517b\u6210"\u5148\u60f3\u7c7b\u578b\u4f1a\u4e0d\u4f1a\u6ea2\u51fa"\u7684\u4e60\u60ef\u3002<\/p>\n

        \u8fd0\u884c\u6548\u679c（\u793a\u4f8b\u524d 17 \u4f4d 11010519491231002，\u52a0\u6743\u548c 167，167 % 11 = 2，\u6620\u5c04\u6821\u9a8c\u5b57\u7b26 \u2018X\u2019）：<\/p>\n

        \u8bf7\u8f93\u5165\u8eab\u4efd\u8bc1\u7684\u524d17\u4f4d
        \n11010519491231002
        \n\u8bf7\u8f93\u5165\u8eab\u4efd\u8bc1\u7684\u6700\u540e\u4e00\u4f4d
        \nX
        \n\u8eab\u4efd\u8bc1\u5408\u6cd5<\/p>\n

        \u5cf0\u4e3b\u53ee\u5631：\u53cd\u63a8\u6cd5\u7684\u7cbe\u9ad3\u662f"\u6bcf\u4e00\u5c42\u90fd\u770b\u5f97\u6e05\u6e05\u695a\u695a"\u2014\u2014\u9a8c\u8bc1\u5408\u6cd5\u6027 \u2192 \u6c42\u6821\u9a8c\u5b57\u7b26 \u2192 \u52a0\u6743\u6c42\u548c \u2192 \u8f6c\u6570\u7ec4，\u6bcf\u4e00\u73af\u5c01\u88c5\u6210\u4e00\u4e2a\u65b9\u6cd5，\u8bfb\u4ee3\u7801\u50cf\u8bfb\u8d26\u672c\u3002\u4f60\u7684\u4f5c\u4e1a\u9898 6（EAN-13 \u6761\u7801\u6821\u9a8c）\u5c31\u662f\u8fd9\u5957\u52a0\u6743\u6c42\u548c\u7684\u4eb2\u5144\u5f1f\u3002<\/p>\n

        \u7b2c\u516b\u7ae0 \u9759\u6001：\u4e0d\u5efa\u5bf9\u8c61\u4e5f\u80fd\u7528\u7684\u529f\u6cd5<\/h3>\n

        \u524d\u516d\u5929\u5b66\u7684\u53d8\u91cf\u3001\u65b9\u6cd5，\u90fd\u8981"\u5148 new \u5bf9\u8c61\u3001\u518d\u70b9\u7740\u7528"\u3002\u4eca\u5929\u5cf0\u4e3b\u518d\u4f20\u4e00\u62db\u2014\u2014static（\u9759\u6001）\u3002<\/p>\n

          \n
        • \u5b9e\u4f8b\u53d8\u91cf \/ \u5b9e\u4f8b\u65b9\u6cd5：\u4e0d\u52a0 static，\u5fc5\u987b new \u51fa\u5bf9\u8c61，\u5bf9\u8c61\u540d.\u53d8\u91cf\/\u65b9\u6cd5；<\/li>\n
        • \u9759\u6001\u53d8\u91cf \/ \u9759\u6001\u65b9\u6cd5：\u52a0 static，\u4e5f\u53eb\u7c7b\u53d8\u91cf \/ \u7c7b\u65b9\u6cd5，\u4e0d\u7528\u521b\u5efa\u5bf9\u8c61，\u76f4\u63a5 \u7c7b\u540d.\u53d8\u91cf\/\u65b9\u6cd5\u3002\u9759\u6001\u65b9\u6cd5\u91cc\u53ea\u80fd\u7528\u9759\u6001\u53d8\u91cf，\u4e0d\u80fd\u7528\u672a\u5b9e\u4f8b\u5316\u7684\u5b9e\u4f8b\u53d8\u91cf\u3002<\/li>\n<\/ul>\n

          \u56de\u5934\u770b，\u5176\u5b9e\u4ece\u7b2c\u4e00\u5929\u8d77\u4f60\u5c31\u5728\u7528\u9759\u6001\u65b9\u6cd5：<\/p>\n\n\u7528\u6cd5\u771f\u76f8<\/tr>\n\n\n\n\n\n
          Console.WriteLine(…)<\/td>\nConsole \u662f\u7c7b\u540d，WriteLine \u662f\u9759\u6001\u65b9\u6cd5<\/td>\n<\/tr>\n
          Array.Sort(arr)\u3001Array.Resize(…)<\/td>\nArray \u7c7b\u662f\u9759\u6001\u65b9\u6cd5\u5927\u6237，\u6392\u5e8f\u8c03\u5927\u5c0f\u73b0\u6210\u7684<\/td>\n<\/tr>\n
          Math.Abs(…)\u3001Math.Pow(…)<\/td>\nMath \u7c7b\u7684\u9759\u6001\u65b9\u6cd5，\u53d6\u7edd\u5bf9\u503c\u3001\u6c42\u5e42\u62ff\u6765\u5c31\u7528<\/td>\n<\/tr>\n
          Random r = new Random(); r.Next();<\/td>\n\u552f\u4e00\u8981\u5148 new \u7684\u2014\u2014\u5b83\u662f\u5b9e\u4f8b\u65b9\u6cd5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u5b66\u4e86 static \u8981\u770b\u61c2\u522b\u4eba\u7684\u4ee3\u7801：\u5b98\u65b9\u65e9\u628a Array\u3001Math\u3001Console \u5c01\u88c5\u6210\u9759\u6001\u529f\u6cd5，\u76f4\u63a5 \u7c7b\u540d.\u70b9 \u5c31\u5b8c\u4e8b；\u6ca1\u6709\u73b0\u6210\u65b9\u6cd5\u65f6，\u624d\u81ea\u5df1\u624b\u5199\u3002<\/p>\n

          \u5cf0\u4e3b\u8fd8\u6f14\u793a\u4e86\u81ea\u5b9a\u4e49\u5c01\u88c5：\u539f\u751f\u6570\u7ec4\u6ca1\u6709\u76f4\u63a5\u6c42\u6700\u5927\u503c\u7684\u65b9\u6cd5，\u90a3\u5c31\u5efa\u4e00\u4e2a ArrayDemo \u7c7b\u81ea\u5df1\u5c01\u88c5：<\/p>\n

          class<\/span> ArrayDemo<\/span>
          \n{<\/span>
          \n public<\/span> int<\/span><\/span> GetMax<\/span>(<\/span>int<\/span>[<\/span>]<\/span><\/span> a)<\/span>
          \n {<\/span>
          \n ArrayTool.<\/span>Sort<\/span>(<\/span>a)<\/span>;<\/span> \/\/ \u5148\u5347\u5e8f\u6392\u5e8f<\/span>
          \n return<\/span> a[<\/span>a.<\/span>Length –<\/span> 1<\/span>]<\/span>;<\/span> \/\/ \u6700\u540e\u4e00\u4e2a\u5143\u7d20\u5c31\u662f\u6700\u5927\u503c<\/span>
          \n }<\/span><\/p>\n

          public<\/span> int<\/span><\/span> GetMaxIndex<\/span>(<\/span>int<\/span>[<\/span>]<\/span><\/span> a)<\/span>
          \n {<\/span>
          \n if<\/span> (<\/span>a.<\/span>Length ==<\/span> 0<\/span>)<\/span>
          \n {<\/span>
          \n return<\/span> –<\/span>1<\/span>;<\/span> \/\/ \u7a7a\u6570\u7ec4\u515c\u5e95，\u907f\u514d\u65e0\u8fd4\u56de\u503c<\/span>
          \n }<\/span>
          \n int<\/span><\/span> max =<\/span> GetMax<\/span>(<\/span>a)<\/span>;<\/span>
          \n for<\/span> (<\/span>int<\/span><\/span> i =<\/span> 0<\/span>;<\/span> i <<\/span> a.<\/span>Length;<\/span> i++<\/span>)<\/span>
          \n {<\/span>
          \n if<\/span> (<\/span>a[<\/span>i]<\/span> ==<\/span> max)<\/span>
          \n {<\/span>
          \n return<\/span> i;<\/span> \/\/ \u591a\u4e2a\u6700\u5927\u503c\u65f6\u8fd4\u56de\u7b2c\u4e00\u4e2a<\/span>
          \n }<\/span>
          \n }<\/span>
          \n return<\/span> –<\/span>1<\/span>;<\/span>
          \n }<\/span>
          \n}<\/span><\/p>\n

          （\u793a\u4f8b\u6570\u7ec4 {3, 8, 5, 8, 1} \u5b9e\u6d4b：GetMax \u2192 8；\u4f46\u56e0\u4e3a GetMax \u5185\u90e8\u5148\u6392\u4e86\u5e8f，\u6570\u7ec4\u5df2\u53d8\u6210 {1, 3, 5, 8, 8}，\u6240\u4ee5 GetMaxIndex \u2192 3\u2014\u2014\u6392\u5e8f\u4f1a\u6539\u52a8\u539f\u6570\u7ec4，\u8fd9\u526f\u4f5c\u7528\u65e5\u540e\u8981\u7559\u5fc3\u3002）<\/p>\n

          \u5cf0\u4e3b\u53ee\u5631：\u672c\u6b21\u4f5c\u4e1a\u4e0d\u9700\u8981\u7528 static，\u65b9\u6cd5\u7edf\u4e00\u6309\u5b9e\u4f8b\u65b9\u6cd5\u5199（\u4fee\u9970\u8bcd public \u5373\u53ef）；\u8bb2 static \u53ea\u662f\u4e3a\u4e86\u8ba9\u4f60\u770b\u61c2 Console.WriteLine\u3001Array.Sort \u4e3a\u4ec0\u4e48\u80fd\u76f4\u63a5"\u7c7b\u540d\u70b9"\u8c03\u7528，\u514d\u5f97\u65e5\u540e\u7591\u60d1\u3002<\/p>\n

          \u5cf0\u4e3b\u4f0f\u7b14：\u65b9\u6cd5\u3001\u5c5e\u6027\u3001\u6784\u9020\u51fd\u6570\u2014\u2014\u7c7b\u91cc\u8fd9\u4e09\u6837\u6b63\u4e00\u4e00\u63ed\u5f00，\u660e\u65e5\u7ee7\u7eed\u3002<\/p>\n

          \u8d70\u706b\u5165\u9b54\u9884\u8b66<\/h3>\n\n\u53cd\u566c\u7c7b\u578b\u9519\u8bef\u672f\u5f0f\u6b63\u786e\u672f\u5f0f<\/tr>\n\n\n\n\n\n\n\n\n\n\n\n
          \u5c40\u90e8\u53d8\u91cf\u6ca1\u521d\u59cb\u5316\u5c31\u7528<\/td>\n\u65b9\u6cd5\u91cc Console.WriteLine(a); \u7f16\u8bd1\u62a5\u9519<\/td>\n\u5148 int a = 0; \u8d4b\u503c\u518d\u7528；\u7c7b\u4e2d\u53d8\u91cf\u9760 new \u521d\u59cb\u5316<\/td>\n<\/tr>\n
          \u6709\u8fd4\u56de\u503c\u65b9\u6cd5\u5fd8\u5199 return<\/td>\npublic int Sum(…) \u7f3a return \u62a5\u9519<\/td>\n\u6709\u8fd4\u56de\u503c\u5fc5\u5199 return \u503c;，\u7c7b\u578b\u4e0e\u58f0\u660e\u4e00\u81f4<\/td>\n<\/tr>\n
          \u65b9\u6cd5\u540d\u4e0d\u6309\u89c4\u8303<\/td>\npublic void show() \u5c0f\u5199\u5f00\u5934\u7684\u65e7\u4e60<\/td>\n\u9996\u5b57\u6bcd\u5927\u5199 + \u89c1\u540d\u77e5\u4e49：Show()<\/td>\n<\/tr>\n
          \u5f62\u53c2\u5b9e\u53c2\u7c7b\u578b\u4e0d\u5339\u914d<\/td>\n\u7ed9 int a \u4f20 7.8 \u62a5\u9519<\/td>\n\u7c7b\u578b\u4e00\u81f4，\u6216\u4f20\u53ef\u9690\u5f0f\u8f6c\u6362\u7684 byte\u3001short<\/td>\n<\/tr>\n
          return \u4e0e break \u6df7\u4e3a\u4e00\u8c08<\/td>\n\u60f3\u5728\u65b9\u6cd5\u4e2d\u95f4\u7528 break \u63d0\u524d\u6536\u5de5<\/td>\nreturn \u7ed3\u675f\u6574\u4e2a\u65b9\u6cd5；break \u53ea\u9000\u51fa\u5faa\u73af<\/td>\n<\/tr>\n
          \u91cd\u8f7d\u53c2\u6570\u5217\u8868\u76f8\u540c<\/td>\n\u5199\u4e24\u4e2a Sum(int, int) \u62a5\u9519<\/td>\n\u540c\u540d + \u53c2\u6570\u5217\u8868\u4e0d\u540c（\u6570\u91cf\/\u7c7b\u578b\u4e0d\u540c）<\/td>\n<\/tr>\n
          \u8eab\u4efd\u8bc1 17 \u4f4d\u7528 int \u5b58<\/td>\nint.Parse \u6ea2\u51fa\u62a5\u9519<\/td>\n\u7528 long.Parse<\/td>\n<\/tr>\n
          long \u5f3a\u8f6c int \u6570\u636e\u9519\u4e71<\/td>\n(int)(l % 10) \u4e2d\u95f4\u6570\u636e\u5168\u9519<\/td>\n\u76f4\u63a5\u7edf\u4e00\u7528 long \u7c7b\u578b，\u907f\u514d\u5f3a\u8f6c<\/td>\n<\/tr>\n
          \u65b9\u6cd5\u53ea\u6709\u58f3\u6ca1\u6709\u5b9e\u73b0<\/td>\n\u7a7a\u65b9\u6cd5\u8c03\u7528\u540e"\u6ca1\u53cd\u5e94"<\/td>\n\u5148\u586b\u65b9\u6cd5\u4f53\u518d\u8c03\u7528（\u5192\u6ce1\/\u62fc\u63a5\u5199\u5b8c\u6574）<\/td>\n<\/tr>\n
          \u6392\u5e8f\u526f\u4f5c\u7528\u6539\u539f\u6570\u7ec4<\/td>\nGetMax \u6392\u5e8f\u540e GetMaxIndex \u7ed3\u679c\u53d8\u4e86<\/td>\n\u8bb0\u4f4f Array.Sort \u4f1a\u6539\u52a8\u539f\u6570\u7ec4，\u7559\u610f\u8c03\u7528\u987a\u5e8f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u4eca\u65e5\u4fee\u70bc\u603b\u7ed3<\/h3>\n

          \u4eca\u65e5\u5fc3\u6cd5，\u53ef\u5f52\u7eb3\u4e3a\u516b\u5c42：<\/p>\n

        • \u65b9\u6cd5：\u5c01\u88c5\u4e00\u6bb5\u5b8c\u6574\u529f\u80fd\u7684\u529f\u6cd5，\u5199\u5728\u7c7b\u91cc，\u516c\u5f00\u7ed9\u522b\u4eba\u7528\u2014\u2014\u4ee5\u540e\u4e0a\u73ed\u5c31\u662f\u5199\u65b9\u6cd5；<\/li>\n
        • \u53d8\u91cf\u51fa\u8eab：\u7c7b\u4e2d\u5b9e\u4f8b\u53d8\u91cf（\u6210\u5458\/\u5168\u5c40\/\u5c5e\u6027）\u968f new \u81ea\u52a8\u521d\u59cb\u5316\u6709\u9ed8\u8ba4\u503c；\u65b9\u6cd5\u5185\u5c40\u90e8\u53d8\u91cf\u5fc5\u987b\u624b\u52a8\u8d4b\u503c，\u4f5c\u7528\u57df\u53ea\u5728\u65b9\u6cd5\u5185；<\/li>\n
        • \u4e94\u8981\u7d20：\u4fee\u9970\u8bcd public \u2192 \u8fd4\u56de\u7c7b\u578b（void\/\u6570\u636e\u7c7b\u578b）\u2192 \u65b9\u6cd5\u540d（\u5927\u5199+\u89c1\u540d\u77e5\u4e49）\u2192 \u5f62\u53c2\u5217\u8868 \u2192 \u65b9\u6cd5\u4f53 + return；<\/li>\n
        • \u56db\u5927\u5206\u7c7b：\u65e0\u53c2\u65e0\u8fd4\u56de\u503c \/ \u6709\u53c2\u65e0\u8fd4\u56de\u503c \/ \u65e0\u53c2\u6709\u8fd4\u56de\u503c \/ \u6709\u53c2\u6709\u8fd4\u56de\u503c，\u540e\u4e24\u7c7b\u7528\u5f97\u6700\u591a；<\/li>\n
        • \u8c03\u7528\u94c1\u5f8b：\u6709\u53c2\u5fc5\u4f20\u5b9e\u53c2\u4e14\u7c7b\u578b\u5339\u914d；\u6709\u8fd4\u56de\u503c\u5148\u63a5\u6536\u518d\u8f93\u51fa；\u7c7b\u5185\u8c03\u7528\u4e0d new；return \u7ed3\u675f\u65b9\u6cd5\u3001break \u9000\u51fa\u5faa\u73af；<\/li>\n
        • \u91cd\u8f7d：\u540c\u540d\u4e0d\u540c\u53c2，\u6309\u5b9e\u53c2\u81ea\u52a8\u5339\u914d，\u53c2\u6570\u5217\u8868\u76f8\u540c\u5fc5\u62a5\u9519\u2014\u2014Console.WriteLine\u3001Random.Next \u7686\u662f\u91cd\u8f7d；<\/li>\n
        • \u53cd\u63a8\u6cd5：\u5148\u5199\u8c03\u7528\u65b9，\u62a5\u9519\u5904\u5c42\u5c42\u8865\u65b9\u6cd5；\u8eab\u4efd\u8bc1\u6821\u9a8c = \u6743\u91cd\u6c42\u548c + \u53d6\u6a21 + \u6620\u5c04，long \u9632\u6ea2\u51fa；<\/li>\n
        • \u9759\u6001：static \u65b9\u6cd5\u7c7b\u540d\u76f4\u63a5\u70b9\u3001\u65e0\u9700 new；Console\u3001Array\u3001Math \u90fd\u662f\u5b98\u65b9\u9759\u6001\u529f\u6cd5，\u672c\u6b21\u4f5c\u4e1a\u4e0d\u7528 static\u3002<\/li>\n

          \u5cf0\u4e3b\u6709\u8a00：\u65b9\u6cd5\u7684\u4fee\u70bc\u91cd\u5728\u4e00\u4e2a"\u5c01"\u5b57\u2014\u2014\u628a\u529f\u80fd\u5c01\u8d77\u6765，\u628a\u8c03\u7528\u9732\u51fa\u53bb\u3002\u4eca\u65e5\u516b\u5c42\u5fc3\u6cd5\u82e5\u53ea\u8bb0\u4f4f\u4e00\u53e5，\u5c31\u8bb0"\u6709\u8fd4\u56de\u503c\u5148\u63a5\u6536\u3001\u518d\u8f93\u51fa；\u91cd\u8f7d\u540c\u540d\u4e0d\u540c\u53c2"\u3002<\/p>\n

          \n

          \u7b2c\u4e8c\u90e8\u5206 \u5b9e\u64cd 02<\/h2>\n

          \u7406\u8bba\u65e2\u660e，\u4eca\u65e5\u6b63\u5f0f\u4e0a\u624b\u65b9\u6cd5\u5b9e\u6218\u3002\u5cf0\u4e3b\u8bf4\u4eca\u5929\u7684\u4f5c\u4e1a\u8981\u81ea\u5df1\u52a8\u624b\u628a\u65b9\u6cd5\u4e00\u4e2a\u4e2a"\u6413"\u51fa\u6765：\u5224\u65ad\u95f0\u5e74\u3001\u767b\u5f55\u6821\u9a8c\u3001\u4ea4\u6362\u53d8\u91cf\u3001\u6570\u7ec4\u6c42\u548c\u3001\u91cd\u8f7d\u53d6\u6700\u503c\u3001\u6761\u7801\u6821\u9a8c\u2014\u2014\u516d\u9053\u9898\u51e0\u4e4e\u8986\u76d6\u4e86\u65b9\u6cd5\u7684\u6240\u6709\u7528\u6cd5\u3002\u4ee5\u4e0b\u4e3a\u4eca\u65e5\u4fee\u70bc\u5b9e\u5f55，\u5168\u90e8\u529f\u6cd5\u5747\u5df2\u5728 .NET \u63a7\u5236\u53f0\u5e94\u7528\u4e2d\u7f16\u8bd1\u8fd0\u884c\u901a\u8fc7，\u8fd0\u884c\u6548\u679c\u5747\u4e3a\u771f\u5b9e\u8dd1\u51fa\u7684\u8f93\u51fa\u3002<\/p>\n

          \u4eca\u65e5\u529f\u6cd5\u901f\u89c8<\/h3>\n\n\u529f\u6cd5 \/ \u6cd5\u5668\u7528\u9014\u8bf4\u660e<\/tr>\n\n\n\n\n\n\n
          \u65b9\u6cd5\u5c01\u88c5<\/td>\n\u628a\u5224\u65ad\u3001\u8ba1\u7b97\u3001\u4ea4\u6362\u903b\u8f91\u5199\u8fdb\u65b9\u6cd5，Main \u91cc\u53ea\u8d1f\u8d23\u8c03\u7528<\/td>\n<\/tr>\n
          \u5c5e\u6027 set \u5224\u65ad<\/td>\n\u767b\u5f55\u6821\u9a8c\u5199\u5728 set \u91cc，\u8f93\u5165\u5373\u62e6\u622a<\/td>\n<\/tr>\n
          \u91cd\u8f7d ZSum<\/td>\nint \/ double \/ char \u4e09\u7248\u540c\u540d\u65b9\u6cd5\u53d6\u6700\u5927\u503c<\/td>\n<\/tr>\n
          \u52a0\u6743\u6c42\u548c<\/td>\nEAN-13 \u6821\u9a8c\u4f4d\u7b97\u6cd5，\u4e0e\u7406\u8bba\u7bc7\u8eab\u4efd\u8bc1\u6821\u9a8c\u540c\u6e90<\/td>\n<\/tr>\n
          \u503c\u4f20\u9012<\/td>\n\u65b9\u6cd5\u5185\u4ea4\u6362\u53d8\u91cf\u4e0d\u5f71\u54cd\u5b9e\u53c2（\u9898 3 \u7684\u5751）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u57fa\u7840\u9898\u4e00：\u5e73\u5e74\u8fd8\u662f\u95f0\u5e74<\/h3>\n

          \u3010\u9898\u76ee\u8981\u6c42\u3011 \u5199\u4e00\u4e2a\u65b9\u6cd5，\u5224\u65ad\u662f\u5e73\u5e74\u8fd8\u662f\u95f0\u5e74：\u80fd\u88ab 4 \u6574\u9664\u4e0d\u80fd\u88ab 100 \u6574\u9664，\u6216\u8005\u80fd\u88ab 400 \u6574\u9664\u3002<\/p>\n

          \u3010\u4fee\u70bc\u601d\u8def\u3011 \u5efa\u4e00\u4e2a Year \u7c7b，\u5199\u4e00\u4e2a Pdyear(int year) \u65b9\u6cd5，\u628a\u95f0\u5e74\u7684\u4e24\u4e2a\u6761\u4ef6\u7528 &&\u3001|| \u4e32\u8d77\u6765，\u6ee1\u8db3\u6761\u4ef6\u8fd4\u56de"\u95f0\u5e74"，\u5426\u5219\u8fd4\u56de"\u5e73\u5e74"\u3002\u8fd9\u662f\u5178\u578b\u7684\u6709\u53c2\u6709\u8fd4\u56de\u503c\u65b9\u6cd5\u2014\u2014\u4f20\u4e00\u4e2a\u5e74\u4efd\u8fdb\u53bb，\u8fd4\u56de\u4e00\u4e2a\u5224\u65ad\u7ed3\u679c\u3002<\/p>\n

          \u3010\u4ee3\u7801\u3011<\/p>\n

          \/\/\u7c7b<\/span>
          \nclass<\/span> Year<\/span>
          \n{<\/span>
          \n \/\/\u5c5e\u6027<\/span>
          \n public<\/span> string<\/span><\/span> Pdyear<\/span>(<\/span>int<\/span><\/span> year)<\/span>
          \n {<\/span>
          \n \/\/\u5224\u65ad<\/span>
          \n if<\/span> (<\/span>year %<\/span> 4<\/span> ==<\/span> 0<\/span> &&<\/span> year %<\/span> 100<\/span> !=<\/span> 0<\/span> ||<\/span> year %<\/span> 400<\/span> ==<\/span> 0<\/span>)<\/span>
          \n {<\/span>
          \n return<\/span> "\u95f0\u5e74"<\/span>;<\/span>
          \n }<\/span>
          \n return<\/span> "\u5e73\u5e74"<\/span>;<\/span>
          \n }<\/span>
          \n}<\/span><\/p>\n

          \/\/\u5b9e\u4f8b\u5316<\/span>
          \nYear<\/span> a =<\/span> new<\/span> Year<\/span>(<\/span>)<\/span>;<\/span>
          \n\/\/\u8c03\u7528Pdyear\u65b9\u6cd5<\/span>
          \nstring<\/span><\/span> year =<\/span> a.<\/span>Pdyear<\/span>(<\/span>2026<\/span>)<\/span>;<\/span>
          \nConsole.<\/span>WriteLine<\/span>(<\/span>year)<\/span>;<\/span><\/p>\n

          \u3010\u8fd0\u884c\u6548\u679c\u3011<\/p>\n

          \u5e73\u5e74<\/p>\n

          （\u518d\u9a8c\u4e00\u53d1 2024：Pdyear(2024) \u8f93\u51fa \u95f0\u5e74\u2014\u20142024 \u80fd\u88ab 4 \u6574\u9664\u4e14\u4e0d\u80fd\u88ab 100 \u6574\u9664\u3002）<\/p>\n

          \u3010\u4fee\u70bc\u8981\u70b9\u3011 % \u53d6\u4f59\u5224\u65ad\u6574\u9664：year % 4 == 0 \u8868\u793a\u80fd\u88ab 4 \u6574\u9664；&& \u4f18\u5148\u7ea7\u9ad8\u4e8e ||，\u6574\u6761\u5224\u65ad\u5199\u6210 year % 4 == 0 && year % 100 != 0 || year % 400 == 0 \u5c31\u662f"（\u80fd\u88ab4\u6574\u9664 \u4e14 \u4e0d\u80fd\u88ab100\u6574\u9664）\u6216 \u80fd\u88ab400\u6574\u9664"\u3002\u65b9\u6cd5\u540d Pdyear（\u5224\u65ad\u5e74）+ \u9996\u5b57\u6bcd\u5927\u5199，\u7b26\u5408\u89c1\u540d\u77e5\u4e49\u89c4\u8303\u3002<\/p>\n

          \u57fa\u7840\u9898\u4e8c：\u767b\u5f55\u6821\u9a8c<\/h3>\n

          \u3010\u9898\u76ee\u8981\u6c42\u3011 \u5206\u522b\u63d0\u793a\u7528\u6237\u8f93\u5165\u7528\u6237\u540d\u548c\u5bc6\u7801，\u5199\u4e00\u4e2a\u65b9\u6cd5\u5224\u65ad\u7528\u6237\u8f93\u5165\u662f\u5426\u6b63\u786e，\u8fd4\u56de\u7ed9\u7528\u6237\u4e00\u4e2a\u767b\u5f55\u7ed3\u679c，\u5e76\u4e14\u8fd8\u8981\u5355\u72ec\u8fd4\u56de\u767b\u5f55\u4fe1\u606f：\u7528\u6237\u540d\u9519\u8bef\u6216\u5bc6\u7801\u9519\u8bef\u65f6，\u9664\u4e86\u8fd4\u56de\u767b\u5f55\u7ed3\u679c，\u8fd8\u8981\u8fd4\u56de"\u7528\u6237\u9519\u8bef"\u6216"\u5bc6\u7801\u9519\u8bef"\u3002<\/p>\n

          \u3010\u4fee\u70bc\u601d\u8def\u3011 \u5efa\u4e00\u4e2a User \u7c7b，\u628a\u5224\u65ad\u5199\u8fdb\u5c5e\u6027\u7684 set \u91cc\u2014\u2014\u7528\u6237\u540d\u7ed9 Name \u5c5e\u6027，\u5bc6\u7801\u7ed9 Password \u5c5e\u6027，\u8d4b\u503c\u7684\u4e00\u77ac\u95f4\u5c31\u5b8c\u6210\u6821\u9a8c\u8f93\u51fa\u3002\u6b63\u786e\u8d26\u53f7：\u7528\u6237\u540d root，\u5bc6\u7801 1@3$5^7*8(0\u3002\u8fd9\u5c31\u662f\u7406\u8bba\u7bc7"\u5c5e\u6027 set \u91cc\u53ef\u4ee5\u8bbe\u6761\u4ef6"\u7684\u5b9e\u6218\u5e94\u7528\u3002<\/p>\n

          \u3010\u4ee3\u7801\u3011<\/p>\n

          \/\/\u5b9a\u4e49\u7528\u6237\u7c7b<\/span>
          \nclass<\/span> User<\/span>
          \n{<\/span>
          \n \/\/\u5b9a\u4e49\u8d26\u6237\u548c\u5bc6\u7801\u5b57\u6bb5<\/span>
          \n private<\/span> string<\/span><\/span> _name;<\/span>
          \n private<\/span> string<\/span><\/span> _password;<\/span>
          \n \/\/\u5224\u65ad\u7528\u6237\u540d\u8f93\u5165<\/span>
          \n public<\/span> string<\/span><\/span> Name
          \n {<\/span>
          \n get<\/span>
          \n {<\/span>
          \n return<\/span> _name;<\/span>
          \n }<\/span>
          \n set<\/span>
          \n {<\/span>
          \n if<\/span> (<\/span>value<\/span> ==<\/span> "root"<\/span>)<\/span>
          \n {<\/span>
          \n _name =<\/span> "root"<\/span>;<\/span>
          \n }<\/span>
          \n else<\/span>
          \n {<\/span>
          \n Console.<\/span>WriteLine<\/span>(<\/span>"\u767b\u5f55\u5931\u8d25"<\/span>)<\/span>;<\/span>
          \n \/\/\u8fd4\u56de\u6a21\u7cca\u9519\u8bef<\/span>
          \n Console.<\/span>WriteLine<\/span>(<\/span>"\u7528\u6237\u540d\u6216\u8005\u5bc6\u7801\u9519\u8bef"<\/span>)<\/span>;<\/span>
          \n }<\/span>
          \n }<\/span>
          \n }<\/span>
          \n \/\/\u5224\u65ad\u5bc6\u7801\u8f93\u5165<\/span>
          \n public<\/span> string<\/span><\/span> Password
          \n {<\/span>
          \n get<\/span>
          \n {<\/span>
          \n return<\/span> _password;<\/span>
          \n }<\/span>
          \n set<\/span>
          \n {<\/span>
          \n if<\/span> (<\/span>value<\/span> ==<\/span> "1@3$5^7*8(0"<\/span>)<\/span>
          \n {<\/span>
          \n _password =<\/span> "1@3$5^7*8(0"<\/span>;<\/span>
          \n Console.<\/span>WriteLine<\/span>(<\/span>"\u767b\u5f55\u6210\u529f"<\/span>)<\/span>;<\/span>
          \n Console.<\/span>WriteLine<\/span>(<\/span>$"<\/span>{<\/span>_name<\/span>}<\/span><\/span>，\u6b22\u8fce\u4f60"<\/span><\/span>)<\/span>;<\/span>
          \n }<\/span>
          \n else<\/span>
          \n {<\/span>
          \n Console.<\/span>WriteLine<\/span>(<\/span>"\u767b\u5f55\u5931\u8d25"<\/span>)<\/span>;<\/span>
          \n Console.<\/span>WriteLine<\/span>(<\/span>"\u7528\u6237\u540d\u6216\u8005\u5bc6\u7801\u9519\u8bef"<\/span>)<\/span>;<\/span>
          \n }<\/span>
          \n }<\/span>
          \n }<\/span>
          \n}<\/span><\/p>\n

          \/\/\u8c03\u7528<\/span>
          \nUser<\/span> b =<\/span> new<\/span> User<\/span>(<\/span>)<\/span>;<\/span>
          \nConsole.<\/span>Write<\/span>(<\/span>"\u8bf7\u8f93\u5165\u7528\u6237\u540d："<\/span>)<\/span>;<\/span>
          \nb.<\/span>Name =<\/span> Console.<\/span>ReadLine<\/span>(<\/span>)<\/span>;<\/span>
          \nConsole.<\/span>Write<\/span>(<\/span>"\u8bf7\u8f93\u5165\u5bc6\u7801："<\/span>)<\/span>;<\/span>
          \nb.<\/span>Password =<\/span> Console.<\/span>ReadLine<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          \u3010\u8fd0\u884c\u6548\u679c\u3011<\/p>\n

          \u6b63\u786e\u767b\u5f55（\u7528\u6237\u540d root\u3001\u5bc6\u7801 1@3$5^7*8(0）：<\/p>\n

          \u8bf7\u8f93\u5165\u7528\u6237\u540d：root
          \n\u8bf7\u8f93\u5165\u5bc6\u7801：1@3$5^7*8(0
          \n\u767b\u5f55\u6210\u529f
          \nroot，\u6b22\u8fce\u4f60<\/p>\n

          \u5bc6\u7801\u9519\u8bef（\u7528\u6237\u540d root\u3001\u5bc6\u7801 123456）：<\/p>\n

          \u8bf7\u8f93\u5165\u7528\u6237\u540d：root
          \n\u8bf7\u8f93\u5165\u5bc6\u7801：123456
          \n\u767b\u5f55\u5931\u8d25
          \n\u7528\u6237\u540d\u6216\u8005\u5bc6\u7801\u9519\u8bef<\/p>\n

          \u3010\u4fee\u70bc\u8981\u70b9\u3011 set \u91cc value \u5c31\u662f\u8d4b\u503c\u4f20\u8fdb\u6765\u7684\u503c，if (value == "root") \u5c31\u662f"\u8f93\u5165\u7684\u662f\u4e0d\u662f root"\u3002\u8fd9\u91cc\u6709\u4e2a\u9690\u85cf\u9690\u60a3：\u7528\u6237\u540d\u9519\u8bef\u65f6 _name \u6ca1\u88ab\u8d4b\u503c，\u82e5\u6b64\u65f6\u5bc6\u7801\u53cd\u800c\u8f93\u5bf9\u4e86，\u7a0b\u5e8f\u4f1a\u5148\u62a5"\u767b\u5f55\u5931\u8d25"，\u968f\u540e\u53c8\u8f93\u51fa"\u767b\u5f55\u6210\u529f"\u548c\u4e00\u53e5\u6ca1\u6709\u540d\u5b57\u7684\u6b22\u8fce\u8bed（\u5b9e\u6d4b\u8f93\u51fa \u767b\u5f55\u6210\u529f\u3001，\u6b22\u8fce\u4f60）\u3002\u771f\u6b63\u4e25\u8c28\u7684\u5199\u6cd5\u5e94\u8be5\u8ba9"\u7528\u6237\u540d\u9519\u8bef"\u76f4\u63a5\u62e6\u4f4f\u540e\u7eed\u6821\u9a8c\u2014\u2014\u5cf0\u4e3b\u8bf4\u8fc7，\u5c5e\u6027 set \u91cc\u53ef\u4ee5\u52a0\u6761\u4ef6，\u4e5f\u53ef\u4ee5\u76f4\u63a5"\u62e6\u622a"，\u8fd9\u6b63\u662f\u5c01\u88c5\u7684\u672c\u610f\u3002<\/p>\n

          \u57fa\u7840\u9898\u4e09：\u4ea4\u6362\u4e24\u4e2a int \u53d8\u91cf<\/h3>\n

          \u3010\u9898\u76ee\u8981\u6c42\u3011 \u4f7f\u7528\u65b9\u6cd5\u4ea4\u6362\u4e24\u4e2a int \u7c7b\u578b\u7684\u53d8\u91cf\u3002<\/p>\n

          \u3010\u4fee\u70bc\u601d\u8def\u3011 \u5efa\u4e00\u4e2a IntExchange \u7c7b，\u5199 IE(int a, int b) \u65b9\u6cd5，\u7528\u7ecf\u5178\u4e09\u884c\u4ea4\u6362\u6cd5（temp \u6682\u5b58 \u2192 a \u6362 b \u2192 b \u6362 temp），\u4ea4\u6362\u540e\u628a\u7ed3\u679c\u6253\u5370\u51fa\u6765\u3002\u6ce8\u610f\u89c2\u5bdf\u8fd0\u884c\u6548\u679c\u91cc\u7684\u7384\u673a\u2014\u2014\u89c1\u4fee\u70bc\u8981\u70b9\u3002<\/p>\n

          \u3010\u4ee3\u7801\u3011<\/p>\n

          \/\/\u5b9a\u4e49\u7c7b<\/span>
          \nclass<\/span> IntExchange<\/span>
          \n{<\/span>
          \n \/\/\u65b9\u6cd5<\/span>
          \n public<\/span> int<\/span><\/span> IE<\/span>(<\/span>int<\/span><\/span> a,<\/span> int<\/span><\/span> b)<\/span>
          \n {<\/span>
          \n int<\/span><\/span> temp =<\/span> a;<\/span>
          \n a =<\/span> b;<\/span>
          \n b =<\/span> temp;<\/span>
          \n Console.<\/span>WriteLine<\/span>(<\/span>$"<\/span>{<\/span>a<\/span>}<\/span><\/span>\\\\n<\/span>{<\/span>b<\/span>}<\/span><\/span>"<\/span><\/span>)<\/span>;<\/span>
          \n return<\/span> –<\/span>1<\/span>;<\/span>
          \n }<\/span>
          \n}<\/span><\/p>\n

          \/\/\u5b9e\u4f8b\u5316<\/span>
          \nIntExchange<\/span> a =<\/span> new<\/span> IntExchange<\/span>(<\/span>)<\/span>;<\/span>
          \nint<\/span><\/span> one =<\/span> 23<\/span>;<\/span>
          \nint<\/span><\/span> two =<\/span> 30<\/span>;<\/span>
          \na.<\/span>IE<\/span>(<\/span>one,<\/span> two)<\/span>;<\/span><\/p>\n

          \u3010\u8fd0\u884c\u6548\u679c\u3011<\/p>\n

          30
          \n23<\/p>\n

          \u3010\u4fee\u70bc\u8981\u70b9\u3011 \u65b9\u6cd5\u5185\u90e8\u786e\u5b9e\u628a a\u3001b \u4ea4\u6362\u4e86（\u8f93\u51fa 30 \u548c 23），\u4f46\u6ce8\u610f\u2014\u2014\u5b9e\u53c2 one\u3001two \u672c\u8eab\u6ca1\u6709\u88ab\u6539\u53d8，\u8c03\u7528\u7ed3\u675f\u540e one \u4ecd\u662f 23\u3001two \u4ecd\u662f 30\u3002\u8fd9\u5c31\u662f C# \u7684\u503c\u4f20\u9012：\u65b9\u6cd5\u62ff\u5230\u7684\u662f\u503c\u7684"\u590d\u5370\u4ef6"，\u6539\u590d\u5370\u4ef6\u4e0d\u5f71\u54cd\u539f\u4ef6\u3002\u60f3\u771f\u6b63\u4ea4\u6362\u5916\u9762\u7684\u53d8\u91cf，\u5f97\u9760\u5f15\u7528\u7c7b\u578b\u53c2\u6570\u6216\u540e\u7eed\u5b66\u7684 ref\/\u6570\u7ec4，\u8fd9\u662f\u672c\u9898\u6700\u5927\u7684\u5751，\u4e5f\u662f\u65e5\u540e\u6700\u5bb9\u6613\u8e29\u7684\u96f7\u3002<\/p>\n

          \u57fa\u7840\u9898\u56db：\u4efb\u610f\u957f\u5ea6\u6570\u7ec4\u6c42\u548c<\/h3>\n

          \u3010\u9898\u76ee\u8981\u6c42\u3011 \u6c42\u4efb\u610f\u957f\u5ea6\u6570\u7ec4\u7684\u548c（\u6574\u578b\u6570\u7ec4）\u3002<\/p>\n

          \u3010\u4fee\u70bc\u601d\u8def\u3011 \u5efa\u4e00\u4e2a Arrsum \u7c7b，\u5199 Asum(int[] a) \u65b9\u6cd5，\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4，\u628a\u6bcf\u4e2a\u5143\u7d20\u7d2f\u52a0\u5230 sum，\u6700\u540e return\u3002\u53c2\u6570\u76f4\u63a5\u4f20\u6570\u7ec4\u2014\u2014\u8fd9\u662f\u65b9\u6cd5\u5f62\u53c2\u7684\u65b0\u73a9\u6cd5：\u5f62\u53c2\u53ef\u4ee5\u662f\u4e00\u4e2a\u6570\u7ec4\u53d8\u91cf\u3002<\/p>\n

          \u3010\u4ee3\u7801\u3011<\/p>\n

          \/\/\u5b9a\u4e49\u7c7b<\/span>
          \nclass<\/span> Arrsum<\/span>
          \n{<\/span>
          \n public<\/span> int<\/span><\/span> Asum<\/span>(<\/span>int<\/span>[<\/span>]<\/span><\/span> a)<\/span>
          \n {<\/span>
          \n int<\/span><\/span> sum =<\/span> 0<\/span>;<\/span>
          \n \/\/\u904d\u5386\u7d2f\u52a0<\/span>
          \n for<\/span> (<\/span>int<\/span><\/span> i =<\/span> 0<\/span>;<\/span> i <<\/span> a.<\/span>Length;<\/span> i++<\/span>)<\/span>
          \n {<\/span>
          \n sum +=<\/span> a[<\/span>i]<\/span>;<\/span>
          \n }<\/span>
          \n return<\/span> sum;<\/span>
          \n }<\/span>
          \n}<\/span><\/p>\n

          \/\/\u5b9e\u4f8b\u5316<\/span>
          \nArrsum<\/span> a =<\/span> new<\/span> Arrsum<\/span>(<\/span>)<\/span>;<\/span>
          \nint<\/span>[<\/span>]<\/span><\/span> arr =<\/span> new<\/span> int<\/span><\/span>[<\/span>10<\/span>]<\/span> {<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 2<\/span>,<\/span> 5<\/span>,<\/span> 6<\/span>,<\/span> 7<\/span>,<\/span> 1<\/span>,<\/span> 7<\/span>,<\/span> 6<\/span>,<\/span> 7<\/span> }<\/span>;<\/span>
          \nConsole.<\/span>WriteLine<\/span>(<\/span>a.<\/span>Asum<\/span>(<\/span>arr)<\/span>)<\/span>;<\/span><\/p>\n

          \u3010\u8fd0\u884c\u6548\u679c\u3011<\/p>\n

          48<\/p>\n

          （3+4+2+5+6+7+1+7+6+7 = 48，\u5b9e\u8dd1\u9a8c\u8bc1\u65e0\u8bef\u3002）<\/p>\n

          \u3010\u4fee\u70bc\u8981\u70b9\u3011 int[] a \u4f5c\u4e3a\u5f62\u53c2，\u5b9e\u53c2\u4f20\u4e00\u4e2a\u6570\u7ec4\u8fdb\u6765，\u65b9\u6cd5\u91cc a.Length \u62ff\u5230\u6570\u7ec4\u957f\u5ea6，a[i] \u9010\u4e2a\u53d6\u5143\u7d20\u3002\u4e0d\u7ba1\u6570\u7ec4\u591a\u957f\u90fd\u80fd\u6c42\u2014\u2014\u8fd9\u5c31\u662f"\u4efb\u610f\u957f\u5ea6"\u7684\u542b\u4e49，\u4e5f\u662f"\u65b9\u6cd5\u5c01\u88c5"\u5e26\u6765\u7684\u590d\u7528\u4ef7\u503c：\u4ee5\u540e\u6240\u6709\u6570\u7ec4\u6c42\u548c，\u4e00\u884c a.Asum(arr) \u641e\u5b9a\u3002<\/p>\n

          \u57fa\u7840\u9898\u4e94：\u91cd\u8f7d\u6c42\u6700\u5927\u503c<\/h3>\n

          \u3010\u9898\u76ee\u8981\u6c42\u3011 \u521b\u5efa\u65b9\u6cd5\u6c42\u4e24\u4e2a\u6570\u7684\u6700\u5927\u503c，\u4e24\u4e2a\u6570\u53ef\u4ee5\u662f\u6574\u6570\u3001\u5c0f\u6570\u6216\u5b57\u7b26，\u8981\u6c42\u4f7f\u7528\u91cd\u8f7d\u3002<\/p>\n

          \u3010\u4fee\u70bc\u601d\u8def\u3011 \u5efa\u4e00\u4e2a Sum \u7c7b，\u5199\u4e09\u4e2a\u540c\u540d ZSum \u65b9\u6cd5：\u6574\u578b\u7248\u8fd4\u56de int\u3001\u5c0f\u6570\u7248\u8fd4\u56de double\u3001\u5b57\u7b26\u7248\u8fd4\u56de char，\u53c2\u6570\u5217\u8868\u5404\u4e0d\u76f8\u540c\u2014\u2014\u8fd9\u5c31\u662f\u7406\u8bba\u7bc7\u7684\u65b9\u6cd5\u91cd\u8f7d\u3002\u8c03\u7528\u65f6\u4f20\u6574\u6570\u8d70\u6574\u578b\u7248\u3001\u4f20\u5c0f\u6570\u8d70\u5c0f\u6570\u7248\u3001\u4f20\u5b57\u7b26\u8d70\u5b57\u7b26\u7248，\u7f16\u8bd1\u5668\u81ea\u52a8\u5339\u914d\u3002<\/p>\n

          \u3010\u4ee3\u7801\u3011<\/p>\n

          class<\/span> Sum<\/span>
          \n{<\/span>
          \n \/\/\u65b9\u6cd5 \u6574\u578b<\/span>
          \n public<\/span> int<\/span><\/span> ZSum<\/span>(<\/span>int<\/span><\/span> a,<\/span> int<\/span><\/span> b)<\/span>
          \n {<\/span>
          \n if<\/span> (<\/span>a >=<\/span> b)<\/span>
          \n {<\/span>
          \n return<\/span> a;<\/span>
          \n }<\/span>
          \n else<\/span>
          \n {<\/span>
          \n return<\/span> b;<\/span>
          \n }<\/span>
          \n }<\/span>
          \n \/\/\u65b9\u6cd5\u91cd\u8f7d，\u5c0f\u6570<\/span>
          \n public<\/span> double<\/span><\/span> ZSum<\/span>(<\/span>double<\/span><\/span> a,<\/span> double<\/span><\/span> b)<\/span>
          \n {<\/span>
          \n if<\/span> (<\/span>a >=<\/span> b)<\/span>
          \n {<\/span>
          \n return<\/span> a;<\/span>
          \n }<\/span>
          \n else<\/span>
          \n {<\/span>
          \n return<\/span> b;<\/span>
          \n }<\/span>
          \n }<\/span>
          \n \/\/\u65b9\u6cd5\u91cd\u8f7d，\u5b57\u7b26<\/span>
          \n public<\/span> char<\/span><\/span> ZSum<\/span>(<\/span>char<\/span><\/span> a,<\/span> char<\/span><\/span> b)<\/span>
          \n {<\/span>
          \n if<\/span> (<\/span>a >=<\/span> b)<\/span>
          \n {<\/span>
          \n return<\/span> a;<\/span>
          \n }<\/span>
          \n else<\/span>
          \n {<\/span>
          \n return<\/span> b;<\/span>
          \n }<\/span>
          \n }<\/span>
          \n}<\/span><\/p>\n

          Sum<\/span> a =<\/span> new<\/span> Sum<\/span>(<\/span>)<\/span>;<\/span>
          \nConsole.<\/span>WriteLine<\/span>(<\/span>a.<\/span>ZSum<\/span>(<\/span>35<\/span>,<\/span> 67<\/span>)<\/span>)<\/span>;<\/span>
          \nConsole.<\/span>WriteLine<\/span>(<\/span>a.<\/span>ZSum<\/span>(<\/span>3.5<\/span>,<\/span> 6.7<\/span>)<\/span>)<\/span>;<\/span>
          \nConsole.<\/span>WriteLine<\/span>(<\/span>a.<\/span>ZSum<\/span>(<\/span>'a'<\/span>,<\/span> 'A'<\/span>)<\/span>)<\/span>;<\/span><\/p>\n

          \u3010\u8fd0\u884c\u6548\u679c\u3011<\/p>\n

          67
          \n6.7
          \na<\/p>\n

          \u3010\u4fee\u70bc\u8981\u70b9\u3011 \u4e09\u4e2a\u65b9\u6cd5\u540d\u90fd\u53eb ZSum，\u53c2\u6570\u5217\u8868\u5206\u522b\u662f (int,int)\u3001(double,double)\u3001(char,char)\u2014\u2014\u65b9\u6cd5\u540d\u4e00\u81f4 + \u53c2\u6570\u5217\u8868\u4e0d\u540c = \u91cd\u8f7d\u3002ZSum(35, 67) \u8d70\u6574\u578b\u7248\u8fd4\u56de 67；ZSum(3.5, 6.7) \u8d70\u5c0f\u6570\u7248\u8fd4\u56de 6.7；ZSum('a', 'A') \u8d70\u5b57\u7b26\u7248\u8fd4\u56de a\u2014\u2014\u5b57\u7b26\u6bd4\u8f83\u7684\u662f Unicode \u7801\u503c，\u5c0f\u5199 a（97）\u6bd4\u5927\u5199 A（65）\u5927\u3002\u5b57\u7b26\u7c7b\u578b\u7528\u5355\u5f15\u53f7，\u548c\u5b57\u7b26\u4e32\u7684\u53cc\u5f15\u53f7\u8981\u5206\u6e05\u3002<\/p>\n

          \u57fa\u7840\u9898\u516d：EAN-13 \/ UPC-A \u96f6\u552e\u5546\u54c1\u6761\u7801\u6821\u9a8c<\/h3>\n

          \u3010\u9898\u76ee\u8981\u6c42\u3011 13 \u4f4d（\u6216 12 \u4f4d）\u6570\u5b57，\u6700\u540e\u4e00\u4f4d\u662f\u6821\u9a8c\u4f4d\u3002\u4ee5 EAN-13 \u4e3a\u4f8b：\u4ece\u53f3\u5f80\u5de6（\u4e0d\u542b\u6821\u9a8c\u4f4d）\u4ea4\u66ff\u4e58\u4ee5\u6743\u91cd 1\u30013，\u52a0\u6743\u6c42\u548c\u540e\u53d6 S mod 10，(10 – S mod 10) mod 10 \u5f97\u5230\u6821\u9a8c\u4f4d；\u603b\u548c\u52a0\u4e0a\u6821\u9a8c\u4f4d\u540e\u5fc5\u987b\u662f 10 \u7684\u500d\u6570\u624d\u5408\u6cd5\u3002<\/p>\n

          \u3010\u4fee\u70bc\u601d\u8def\u3011 \u5efa\u4e00\u4e2a Ean \u7c7b，\u5199 Jqqh(int[] a)（\u52a0\u6743\u6c42\u548c）\u65b9\u6cd5：\u904d\u5386\u6570\u7ec4\u524d 12 \u4f4d，\u5076\u6570\u4f4d（\u6309\u672c\u5b9e\u73b0\u53e3\u5f84，\u5373\u4ece\u5de6\u6570\u7b2c 2\u30014\u30016\u2026\u2026\u4f4d）\u4e58\u4ee5 3，\u7d2f\u52a0\u540e\u518d\u52a0\u4e0a\u6821\u9a8c\u4f4d\u672c\u8eab，\u8fd4\u56de\u603b\u548c；Main \u91cc\u5224\u65ad\u603b\u548c\u80fd\u5426\u88ab 10 \u6574\u9664，\u8f93\u51fa"\u5408\u6cd5 \/ \u4e0d\u5408\u6cd5"\u3002\u8fd9\u548c\u7406\u8bba\u7bc7\u8eab\u4efd\u8bc1\u6821\u9a8c\u7684"\u52a0\u6743\u6c42\u548c"\u662f\u540c\u95e8\u529f\u6cd5\u3002<\/p>\n

          \u3010\u4ee3\u7801\u3011<\/p>\n

          class<\/span> Ean<\/span>
          \n{<\/span>
          \n \/\/\u52a0\u6743\u6c42\u548c<\/span>
          \n public<\/span> int<\/span><\/span> Jqqh<\/span>(<\/span>int<\/span>[<\/span>]<\/span><\/span> a)<\/span>
          \n {<\/span>
          \n int<\/span><\/span> sum =<\/span> 0<\/span>;<\/span>
          \n for<\/span> (<\/span>int<\/span><\/span> i =<\/span> 0<\/span>;<\/span> i <<\/span> a.<\/span>Length –<\/span> 1<\/span>;<\/span> i++<\/span>)<\/span>
          \n {<\/span>
          \n \/\/\u5224\u65ad\u5076\u6570\u4f4d<\/span>
          \n if<\/span> (<\/span>(<\/span>i +<\/span> 1<\/span>)<\/span> %<\/span> 2<\/span> ==<\/span> 0<\/span>)<\/span>
          \n {<\/span>
          \n a[<\/span>i]<\/span> *=<\/span> 3<\/span>;<\/span>
          \n }<\/span>
          \n sum +=<\/span> a[<\/span>i]<\/span>;<\/span>
          \n }<\/span>
          \n return<\/span> sum +<\/span> a[<\/span>a.<\/span>Length –<\/span> 1<\/span>]<\/span>;<\/span>
          \n }<\/span>
          \n}<\/span><\/p>\n

          Ean<\/span> a =<\/span> new<\/span> Ean<\/span>(<\/span>)<\/span>;<\/span>
          \nint<\/span>[<\/span>]<\/span><\/span> arr =<\/span> new<\/span> int<\/span><\/span>[<\/span>13<\/span>]<\/span> {<\/span> 6<\/span>,<\/span> 9<\/span>,<\/span> 2<\/span>,<\/span> 5<\/span>,<\/span> 3<\/span>,<\/span> 0<\/span>,<\/span> 3<\/span>,<\/span> 7<\/span>,<\/span> 0<\/span>,<\/span> 1<\/span>,<\/span> 7<\/span>,<\/span> 5<\/span>,<\/span> 8<\/span> }<\/span>;<\/span>
          \nint<\/span><\/span> number =<\/span> a.<\/span>Jqqh<\/span>(<\/span>arr)<\/span>;<\/span>
          \nif<\/span> (<\/span>number %<\/span> 10<\/span> ==<\/span> 0<\/span>)<\/span>
          \n{<\/span>
          \n Console.<\/span>WriteLine<\/span>(<\/span>"\u5408\u6cd5"<\/span>)<\/span>;<\/span>
          \n}<\/span>
          \nelse<\/span>
          \n{<\/span>
          \n Console.<\/span>WriteLine<\/span>(<\/span>"\u4e0d\u5408\u6cd5"<\/span>)<\/span>;<\/span>
          \n}<\/span><\/p>\n

          \u3010\u8fd0\u884c\u6548\u679c\u3011<\/p>\n

          \u52a0\u6743\u6c42\u548c = 110
          \n\u5408\u6cd5<\/p>\n

          （\u5b9e\u6d4b：6 + 9\u00d73 + 2 + 5\u00d73 + 3 + 0\u00d73 + 3 + 7\u00d73 + 0 + 1\u00d73 + 7 + 5\u00d73 + 8 = 110，110 % 10 == 0 \u2192 \u5408\u6cd5\u3002）<\/p>\n

          \u3010\u4fee\u70bc\u8981\u70b9\u3011 \u8fd9\u662f"\u52a0\u6743\u6c42\u548c + \u53d6\u6a21\u5224\u65ad"\u7684\u5178\u578b\u5e94\u7528，\u548c\u8eab\u4efd\u8bc1\u6821\u9a8c\u540c\u5b97\u540c\u6e90\u3002\u4e24\u4e2a\u7ec6\u8282\u8981\u7559\u5fc3：\u5176\u4e00，\u672c\u4ee3\u7801\u6309"\u4ece\u5de6\u6570\u5076\u6570\u4f4d \u00d73"\u5b9e\u73b0（(i+1) % 2 == 0 \u65f6 a[i] *= 3），\u800c\u9898\u76ee\u8bf4\u660e\u7684 EAN-13 \u6807\u51c6\u53e3\u5f84\u662f"\u4ece\u53f3\u5f80\u5de6\u6570（\u6821\u9a8c\u4f4d\u4e0d\u7b97，\u7b2c 2\u30014\u30016\u2026\u2026\u4f4d \u00d73）"\u2014\u2014\u4e24\u79cd\u53e3\u5f84\u5bf9\u540c\u4e00\u4e32\u6570\u5b57\u7ed3\u679c\u53ef\u80fd\u4e0d\u540c，\u8fd0\u884c\u4ee5\u672c\u4ee3\u7801\u5b9e\u9645\u8f93\u51fa\u4e3a\u51c6；\u5176\u4e8c，a[i] *= 3 \u4f1a\u76f4\u63a5\u4fee\u6539\u539f\u6570\u7ec4，\u548c\u7406\u8bba\u7bc7\u6392\u5e8f\u7684\u526f\u4f5c\u7528\u4e00\u6837，\u8981\u5fc3\u91cc\u6709\u6570\u3002<\/p>\n

          \u8d70\u706b\u5165\u9b54\u9884\u8b66<\/h3>\n\n\u53cd\u566c\u7c7b\u578b\u9519\u8bef\u672f\u5f0f\u6b63\u786e\u672f\u5f0f<\/tr>\n\n\n\n\n\n\n\n\n
          \u95f0\u5e74\u6761\u4ef6\u5199\u9519\u4f18\u5148\u7ea7<\/td>\n`year % 4 == 0<\/td>\n<\/td>\n<\/tr>\n
          \u4ea4\u6362\u65b9\u6cd5"\u770b\u4f3c\u751f\u6548"<\/td>\n\u4ee5\u4e3a a.IE(one, two) \u540e one\u3001two \u5df2\u4e92\u6362<\/td>\n\u503c\u4f20\u9012\u53ea\u4ea4\u6362\u65b9\u6cd5\u5185\u526f\u672c，\u5b9e\u53c2\u4e0d\u53d8；\u8981\u6539\u5916\u90e8\u53d8\u91cf\u9700\u5f15\u7528\/\u6570\u7ec4\/ref<\/td>\n<\/tr>\n
          \u7528\u6237\u540d\u9519\u8bef\u8fd8\u7ee7\u7eed\u8d70\u5bc6\u7801<\/td>\n\u7528\u6237\u540d\u9519\u4e86 _name \u6ca1\u8d4b\u503c，\u5bc6\u7801\u5bf9\u65f6\u8f93\u51fa"\u767b\u5f55\u6210\u529f，\u6b22\u8fce\u4f60"\u7f3a\u540d\u5b57<\/td>\n\u7528\u6237\u540d\u9519\u8bef\u5e94\u76f4\u63a5\u62e6\u622a，\u4e0d\u8fdb\u5165\u5bc6\u7801\u6821\u9a8c<\/td>\n<\/tr>\n
          \u5b57\u7b26\u5f53\u5b57\u7b26\u4e32\u7528<\/td>\na.Gender = "\u7537" \u62a5\u9519（\u672c\u65e5 'a'\u3001'A' \u540c\u7406）<\/td>\nchar \u7528\u5355\u5f15\u53f7，string \u7528\u53cc\u5f15\u53f7<\/td>\n<\/tr>\n
          \u91cd\u8f7d\u7248\u6b21\u4e71\u5199<\/td>\n\u4e24\u4e2a\u65b9\u6cd5\u53c2\u6570\u5217\u8868\u76f8\u540c\u8fd8\u53eb\u91cd\u8f7d<\/td>\n\u540c\u540d + \u53c2\u6570\u5217\u8868\u4e0d\u540c（\u6570\u91cf\/\u7c7b\u578b\u4e0d\u540c）<\/td>\n<\/tr>\n
          \u52a0\u6743\u6c42\u548c\u65b9\u5411\u641e\u6df7<\/td>\n\u6807\u51c6"\u4ece\u53f3\u5f80\u5de6"\u4e0e\u5b9e\u73b0"\u4ece\u5de6\u5076\u6570\u4f4d"\u6df7\u7528<\/td>\n\u660e\u786e\u672c\u4ee3\u7801\u53e3\u5f84，\u4ee5\u8fd0\u884c\u8f93\u51fa\u4e3a\u51c6<\/td>\n<\/tr>\n
          \u52a0\u6743\u65f6\u6539\u4e86\u539f\u6570\u7ec4<\/td>\na[i] *= 3 \u540e\u6570\u7ec4\u503c\u88ab\u6c61\u67d3，\u540e\u7eed\u590d\u7528\u51fa\u9519<\/td>\n\u9700\u8981\u4fdd\u7559\u539f\u503c\u65f6\u53e6\u5f00\u6570\u7ec4\u5b58\u50a8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u4eca\u65e5\u4fee\u70bc\u603b\u7ed3<\/h3>\n

          \u516d\u9053\u4f5c\u4e1a\u9898\u8d70\u4e0b\u6765，\u65b9\u6cd5\u7684\u5168\u5957\u7528\u6cd5\u5df2\u8fc7\u4e00\u904d：<\/p>\n

            \n
          • \u6709\u53c2\u6709\u8fd4\u56de\u503c：\u9898 1 \u5224\u65ad\u95f0\u5e74\u3001\u9898 4 \u6570\u7ec4\u6c42\u548c\u3001\u9898 5 \u91cd\u8f7d\u53d6\u6700\u5927\u503c\u3001\u9898 6 \u6761\u7801\u6821\u9a8c\u2014\u2014\u4f20\u53c2\u8fdb\u53bb，\u8fd4\u56de\u7ed3\u679c；<\/li>\n
          • \u5c5e\u6027 set \u505a\u5224\u65ad：\u9898 2 \u767b\u5f55\u6821\u9a8c，\u628a\u62e6\u622a\u903b\u8f91\u5199\u8fdb\u5c5e\u6027\u8d4b\u503c\u7684\u4e00\u77ac\u95f4；<\/li>\n
          • \u503c\u4f20\u9012\u7684\u5751：\u9898 3 \u4ea4\u6362\u65b9\u6cd5\u5185\u6709\u6548\u3001\u5b9e\u53c2\u4e0d\u52a8\u2014\u2014\u8fd9\u662f\u4eca\u65e5\u6700\u503c\u5f97\u8bb0\u7684\u6559\u8bad；<\/li>\n
          • \u91cd\u8f7d\u5b9e\u6218：\u9898 5 \u540c\u4e00\u65b9\u6cd5\u540d\u4e09\u7248（int\/double\/char）\u81ea\u52a8\u5339\u914d，\u6b63\u662f\u7406\u8bba\u7bc7\u91cd\u8f7d\u7684\u4f5c\u4e1a\u7248；<\/li>\n
          • \u52a0\u6743\u6c42\u548c：\u9898 6 \u4e0e\u7406\u8bba\u7bc7\u8eab\u4efd\u8bc1\u6821\u9a8c\u540c\u6e90，\u6761\u7801\u3001\u8eab\u4efd\u8bc1\u4e00\u6cd5\u901a\u5403\u3002<\/li>\n<\/ul>\n

            \u5cf0\u4e3b\u8bf4\u4eca\u5929\u4f5c\u4e1a"\u4e0d\u96be\u4f46\u6781\u8003\u7ec6\u5fc3"：\u91cd\u8f7d\u53c2\u6570\u5217\u8868\u3001\u503c\u4f20\u9012\u3001\u5b57\u7b26\u5355\u5f15\u53f7\u3001\u52a0\u6743\u65b9\u5411，\u54ea\u4e00\u5904\u8d70\u795e\u90fd\u4f1a\u7f16\u8bd1\u62a5\u9519\u6216\u7ed3\u679c\u8dd1\u504f\u3002\u529f\u6cd5\u7686\u5df2\u5b9e\u6d4b\u8dd1\u901a\u2014\u2014\u516d\u9898\u8f93\u51fa \u5e73\u5e74 \/ \u767b\u5f55\u6210\u529f \/ 30 23 \/ 48 \/ 67 6.7 a \/ 110 \u5408\u6cd5，\u5168\u90e8\u771f\u5b9e\u53ef\u590d\u73b0\u3002\u4e3a\u660e\u65e5\u65b9\u6cd5\u8fdb\u9636（\u9759\u6001\u3001\u5c5e\u6027\u3001\u6784\u9020\u51fd\u6570\u7ee7\u7eed\u6df1\u5316）\u6253\u4e0b\u5730\u57fa\u3002<\/p>\n

            \u4e0b\u4e00\u5173，\u6211\u4eec\u7ee7\u7eed\u3002<\/p>\n

            （\u672c\u6587\u4e3a\u4e2a\u4eba\u4fee\u70bc\u8bb0\u5f55，\u529f\u6cd5\u5747\u53ef\u5728 .NET \u63a7\u5236\u53f0\u5e94\u7528\u4e0b\u7f16\u8bd1\u8fd0\u884c\u901a\u8fc7\u3002\u5982\u6709\u8c2c\u8bef\u6b22\u8fce\u6307\u6b63，\u4e00\u540c\u7cbe\u8fdb\u3002）<\/p>\n","protected":false},"excerpt":{"rendered":"

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