{"id":81143,"date":"2026-07-25T00:12:00","date_gmt":"2026-07-24T16:12:00","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/81143.html"},"modified":"2026-07-25T00:12:00","modified_gmt":"2026-07-24T16:12:00","slug":"c-%e7%bb%a7%e6%89%bf%e8%bf%9b%e9%98%b6%ef%bc%9a%e9%bb%98%e8%ae%a4%e6%88%90%e5%91%98%e5%87%bd%e6%95%b0%e3%80%81%e5%a4%9a%e7%bb%a7%e6%89%bf%e3%80%81%e8%99%9a%e7%bb%a7%e6%89%bf%e4%b8%8e%e7%bb%84","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/81143.html","title":{"rendered":"C++ \u7ee7\u627f\u8fdb\u9636\uff1a\u9ed8\u8ba4\u6210\u5458\u51fd\u6570\u3001\u591a\u7ee7\u627f\u3001\u865a\u7ee7\u627f\u4e0e\u7ec4\u5408\u8bbe\u8ba1"},"content":{"rendered":"

C++ \u7ee7\u627f\u8fdb\u9636：\u9ed8\u8ba4\u6210\u5458\u51fd\u6570\u3001\u591a\u7ee7\u627f\u3001\u865a\u7ee7\u627f\u4e0e\u7ec4\u5408\u8bbe\u8ba1<\/h2>\n

\"\u5934\u50cf\"<\/p>\n

🔥 \u661f\u6052\u968f\u98ce：<\/b><\/font>
\n \u4e2a\u4eba\u4e3b\u9875<\/b><\/font><\/p>\n

\u2744\ufe0f \u4e2a\u4eba\u4e13\u680f：<\/b><\/font>
\n \u300a\u6307\u9488\u5408\u96c6\u300b<\/b><\/font>
\n ｜<\/b><\/font>
\n \u300aC\u8bed\u8a00\u57fa\u7840\u300b<\/b><\/font>
\n ｜<\/b><\/font>
\n \u300a\u6570\u636e\u7ed3\u6784\u300b<\/b><\/font>
\n ｜<\/b><\/font>
\n \u300a\u673a\u5668\u5b66\u4e60\u5bfc\u8bba\u300b<\/b><\/font>
\n ｜<\/b><\/font>
\n \u300a\u524d\u7aef\u57fa\u7840\u300b<\/b><\/font>
\n ｜<\/b><\/font>
\n \u300apython\u57fa\u7840\u300b<\/b><\/font>
\n ｜<\/b><\/font>
\n \u300aC++\u4ece\u5165\u95e8\u5230\u5165\u571f\u300b<\/b><\/font> <\/p>\n

\u2728 \u6570\u636e\u5373\u77e5\u8bc6，\u538b\u7f29\u5373\u667a\u80fd<\/b><\/font><\/p>\n

\n

\u6587\u7ae0\u76ee\u5f55<\/h4>\n
    \n
  • C++ \u7ee7\u627f\u8fdb\u9636：\u9ed8\u8ba4\u6210\u5458\u51fd\u6570\u3001\u591a\u7ee7\u627f\u3001\u865a\u7ee7\u627f\u4e0e\u7ec4\u5408\u8bbe\u8ba1<\/li>\n
  • \n
      \n
    • \u524d\u8a00<\/li>\n
    • \u4e00\u3001\u6d3e\u751f\u7c7b\u5bf9\u8c61\u7531\u54ea\u4e9b\u90e8\u5206\u7ec4\u6210？<\/li>\n
    • \n
        \n
      • 1.1 \u57fa\u7c7b\u5b50\u5bf9\u8c61\u548c\u6d3e\u751f\u7c7b\u6210\u5458<\/li>\n
      • 1.2 \u5bf9\u8c61\u521d\u59cb\u5316\u4e0d\u662f\u7b80\u5355\u5730\u6267\u884c\u6784\u9020\u51fd\u6570\u4f53<\/li>\n<\/ul>\n<\/li>\n
      • \u4e8c\u3001\u6d3e\u751f\u7c7b\u6784\u9020\u51fd\u6570\u5982\u4f55\u521d\u59cb\u5316\u57fa\u7c7b？<\/li>\n
      • \n
          \n
        • 2.1 \u57fa\u7c7b\u6709\u9ed8\u8ba4\u6784\u9020\u51fd\u6570<\/li>\n
        • 2.2 \u57fa\u7c7b\u6ca1\u6709\u9ed8\u8ba4\u6784\u9020\u51fd\u6570<\/li>\n<\/ul>\n<\/li>\n
        • \u4e09\u3001\u6d3e\u751f\u7c7b\u7684\u62f7\u8d1d\u6784\u9020<\/li>\n
        • \n
            \n
          • 3.1 \u7f16\u8bd1\u5668\u9ed8\u8ba4\u751f\u6210\u65f6\u4f1a\u5904\u7406\u57fa\u7c7b\u90e8\u5206<\/li>\n
          • 3.2 \u624b\u52a8\u7f16\u5199\u65f6\u8981\u663e\u5f0f\u62f7\u8d1d\u57fa\u7c7b<\/li>\n<\/ul>\n<\/li>\n
          • \u56db\u3001\u6d3e\u751f\u7c7b\u7684\u8d4b\u503c\u8fd0\u7b97\u7b26<\/li>\n
          • \n
              \n
            • 4.1 \u8d4b\u503c\u4e5f\u8981\u5904\u7406\u4e24\u90e8\u5206<\/li>\n
            • 4.2 \u53ef\u4ee5\u4f18\u5148\u4f7f\u7528 = default<\/li>\n<\/ul>\n<\/li>\n
            • \u4e94\u3001\u6784\u9020\u548c\u6790\u6784\u987a\u5e8f<\/li>\n
            • \n
                \n
              • 5.1 \u6784\u9020\u987a\u5e8f<\/li>\n
              • 5.2 \u6790\u6784\u987a\u5e8f<\/li>\n<\/ul>\n<\/li>\n
              • \u516d\u3001\u57fa\u7c7b\u6790\u6784\u51fd\u6570\u4ec0\u4e48\u65f6\u5019\u8981\u52a0 virtual？<\/li>\n
              • \n
                  \n
                • 6.1 \u901a\u8fc7\u57fa\u7c7b\u6307\u9488\u5220\u9664\u6d3e\u751f\u5bf9\u8c61<\/li>\n
                • 6.2 \u54ea\u4e9b\u57fa\u7c7b\u9700\u8981\u865a\u6790\u6784？<\/li>\n<\/ul>\n<\/li>\n
                • \u4e03\u3001\u5982\u4f55\u7981\u6b62\u4e00\u4e2a\u7c7b\u88ab\u7ee7\u627f？<\/li>\n
                • \n
                    \n
                  • 7.1 \u4f7f\u7528 final<\/li>\n
                  • 7.2 \u79c1\u6709\u6784\u9020\u51fd\u6570\u7684\u65e7\u601d\u8def<\/li>\n<\/ul>\n<\/li>\n
                  • \u516b\u3001\u53cb\u5143\u5173\u7cfb\u4e0d\u4f1a\u6cbf\u7ee7\u627f\u94fe\u4f20\u64ad<\/li>\n
                  • \n
                      \n
                    • 8.1 \u57fa\u7c7b\u53cb\u5143\u53ea\u80fd\u8bbf\u95ee\u57fa\u7c7b<\/li>\n
                    • 8.2 \u53cb\u5143\u4e5f\u4e0d\u5177\u6709\u4f20\u9012\u6027<\/li>\n<\/ul>\n<\/li>\n
                    • \u4e5d\u3001\u9759\u6001\u6210\u5458\u5728\u7ee7\u627f\u4f53\u7cfb\u4e2d\u53ea\u6709\u4e00\u4efd<\/li>\n
                    • \n
                        \n
                      • 9.1 \u666e\u901a\u6210\u5458\u6bcf\u4e2a\u5bf9\u8c61\u5404\u6709\u4e00\u4efd<\/li>\n
                      • 9.2 static \u6210\u5458\u5c5e\u4e8e\u7c7b<\/li>\n<\/ul>\n<\/li>\n
                      • \u5341\u3001\u591a\u7ee7\u627f\u662f\u4ec0\u4e48？<\/li>\n
                      • \n
                          \n
                        • 10.1 \u5355\u7ee7\u627f<\/li>\n
                        • 10.2 \u591a\u7ee7\u627f<\/li>\n
                        • 10.3 \u591a\u7ee7\u627f\u4e2d\u7684\u540c\u540d\u6210\u5458\u4e8c\u4e49\u6027<\/li>\n<\/ul>\n<\/li>\n
                        • \u5341\u4e00\u3001\u591a\u7ee7\u627f\u4e2d\u7684\u6307\u9488\u8c03\u6574<\/li>\n
                        • \n
                            \n
                          • 11.1 \u4e0d\u540c\u57fa\u7c7b\u6307\u9488\u53ef\u80fd\u5177\u6709\u4e0d\u540c\u5730\u5740\u503c<\/li>\n
                          • 11.2 \u4e0d\u8981\u4f9d\u8d56\u5177\u4f53\u5e03\u5c40<\/li>\n<\/ul>\n<\/li>\n
                          • \u5341\u4e8c\u3001\u83f1\u5f62\u7ee7\u627f\u4e3a\u4ec0\u4e48\u9ebb\u70e6？<\/li>\n
                          • \n
                              \n
                            • 12.1 \u83f1\u5f62\u7ed3\u6784<\/li>\n
                            • 12.2 \u6570\u636e\u5197\u4f59<\/li>\n
                            • 12.3 \u8bbf\u95ee\u4e8c\u4e49\u6027<\/li>\n<\/ul>\n<\/li>\n
                            • \u5341\u4e09\u3001\u865a\u7ee7\u627f\u5982\u4f55\u89e3\u51b3\u83f1\u5f62\u95ee\u9898？<\/li>\n
                            • \n
                                \n
                              • 13.1 \u58f0\u660e\u865a\u7ee7\u627f<\/li>\n
                              • 13.2 virtual \u5199\u5728\u4ec0\u4e48\u4f4d\u7f6e？<\/li>\n<\/ul>\n<\/li>\n
                              • \u5341\u56db\u3001\u865a\u57fa\u7c7b\u7531\u8c01\u8d1f\u8d23\u6784\u9020？<\/li>\n
                              • \n
                                  \n
                                • 14.1 \u666e\u901a\u7ee7\u627f\u4e2d\u7684\u57fa\u7c7b\u6784\u9020<\/li>\n
                                • 14.2 \u865a\u7ee7\u627f\u4e2d\u7684\u6700\u6d3e\u751f\u7c7b\u89c4\u5219<\/li>\n
                                • 14.3 \u5355\u72ec\u6784\u9020\u4e2d\u95f4\u7c7b\u65f6\u4ecd\u7531\u4e2d\u95f4\u7c7b\u8d1f\u8d23<\/li>\n<\/ul>\n<\/li>\n
                                • \u5341\u4e94\u3001\u6807\u51c6\u5e93\u4e2d\u7684\u865a\u7ee7\u627f\u4f8b\u5b50<\/li>\n
                                • \u5341\u516d\u3001\u7ee7\u627f\u548c\u7ec4\u5408\u5982\u4f55\u9009\u62e9？<\/li>\n
                                • \n
                                    \n
                                  • 16.1 \u7ee7\u627f\u8868\u8fbe is-a<\/li>\n
                                  • 16.2 \u7ec4\u5408\u8868\u8fbe has-a<\/li>\n
                                  • 16.3 \u767d\u76d2\u590d\u7528\u548c\u9ed1\u76d2\u590d\u7528<\/li>\n
                                  • 16.4 \u4f18\u5148\u7ec4\u5408，\u4f46\u4e0d\u662f\u62d2\u7edd\u7ee7\u627f<\/li>\n
                                  • 16.5 \u4e00\u4e2a\u7b80\u5355\u5224\u65ad\u6d41\u7a0b<\/li>\n<\/ul>\n<\/li>\n
                                  • \u5341\u4e03\u3001\u5e38\u89c1\u9519\u8bef\u6574\u7406<\/li>\n
                                  • \n
                                      \n
                                    • 17.1 \u5728\u6784\u9020\u51fd\u6570\u4f53\u4e2d\u201c\u8c03\u7528\u201d\u57fa\u7c7b\u6784\u9020<\/li>\n
                                    • 17.2 \u624b\u52a8\u5199\u62f7\u8d1d\u6784\u9020\u5374\u5fd8\u8bb0\u57fa\u7c7b\u90e8\u5206<\/li>\n
                                    • 17.3 \u6d3e\u751f\u7c7b\u8d4b\u503c\u65f6\u53ea\u590d\u5236\u81ea\u5df1\u7684\u6210\u5458<\/li>\n
                                    • 17.4 \u591a\u6001\u57fa\u7c7b\u6ca1\u6709\u865a\u6790\u6784\u51fd\u6570<\/li>\n
                                    • 17.5 \u628a\u53cb\u5143\u7406\u89e3\u6210\u53ef\u7ee7\u627f\u6743\u9650<\/li>\n
                                    • 17.6 \u8ba4\u4e3a\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u6709\u4e00\u4efd static \u6210\u5458<\/li>\n
                                    • 17.7 \u7528\u7c7b\u57df\u89e3\u51b3\u83f1\u5f62\u7ee7\u627f\u540e\u8ba4\u4e3a\u95ee\u9898\u5168\u90e8\u6d88\u5931<\/li>\n
                                    • 17.8 \u4f9d\u8d56\u591a\u7ee7\u627f\u5bf9\u8c61\u7684\u5177\u4f53\u5185\u5b58\u6392\u5217<\/li>\n
                                    • 17.9 \u4e3a\u4e86\u590d\u7528\u5b9e\u73b0\u968f\u610f\u4f7f\u7528 public \u7ee7\u627f<\/li>\n<\/ul>\n<\/li>\n
                                    • \u603b\u7ed3<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                                      \u524d\u8a00<\/h3>\n

                                      \u638c\u63e1\u7ee7\u627f\u7684\u57fa\u672c\u8bed\u6cd5\u540e，\u63a5\u4e0b\u6765\u4f1a\u9047\u5230\u4e00\u4e9b\u66f4\u5bb9\u6613\u51fa\u9519\u7684\u95ee\u9898：<\/p>\n

                                        \n
                                      • \u6d3e\u751f\u7c7b\u6784\u9020\u65f6，\u57fa\u7c7b\u90e8\u5206\u7531\u8c01\u521d\u59cb\u5316？<\/li>\n
                                      • \u62f7\u8d1d\u6784\u9020\u548c\u8d4b\u503c\u8fd0\u7b97\u7b26\u662f\u5426\u9700\u8981\u5904\u7406\u57fa\u7c7b？<\/li>\n
                                      • \u4e3a\u4ec0\u4e48\u6784\u9020\u987a\u5e8f\u662f\u4ece\u57fa\u7c7b\u5230\u6d3e\u751f\u7c7b，\u6790\u6784\u987a\u5e8f\u5374\u6b63\u597d\u76f8\u53cd？<\/li>\n
                                      • \u57fa\u7c7b\u6790\u6784\u51fd\u6570\u4ec0\u4e48\u65f6\u5019\u5fc5\u987b\u662f\u865a\u51fd\u6570？<\/li>\n
                                      • \u53cb\u5143\u5173\u7cfb\u548c\u9759\u6001\u6210\u5458\u4f1a\u4e0d\u4f1a\u88ab\u7ee7\u627f？<\/li>\n
                                      • \u591a\u7ee7\u627f\u4e3a\u4ec0\u4e48\u4f1a\u4ea7\u751f\u4e8c\u4e49\u6027？<\/li>\n
                                      • \u83f1\u5f62\u7ee7\u627f\u4e3a\u4ec0\u4e48\u4f1a\u9020\u6210\u6570\u636e\u5197\u4f59？<\/li>\n
                                      • \u865a\u7ee7\u627f\u5982\u4f55\u8ba9\u591a\u4e2a\u8def\u5f84\u5171\u4eab\u540c\u4e00\u4e2a\u57fa\u7c7b\u5b50\u5bf9\u8c61？<\/li>\n
                                      • \u7ee7\u627f\u548c\u7ec4\u5408\u5230\u5e95\u5e94\u8be5\u5982\u4f55\u9009\u62e9？<\/li>\n<\/ul>\n

                                        \u8fd9\u4e9b\u5185\u5bb9\u770b\u8d77\u6765\u6bd4\u8f83\u5206\u6563，\u5b9e\u9645\u4e0a\u90fd\u56f4\u7ed5\u4e00\u4e2a\u6838\u5fc3\u95ee\u9898：<\/p>\n

                                        \u4e00\u4e2a\u6d3e\u751f\u7c7b\u5bf9\u8c61\u4e2d，\u4e0d\u4ec5\u6709\u6d3e\u751f\u7c7b\u81ea\u5df1\u7684\u6210\u5458，\u8fd8\u5305\u542b\u57fa\u7c7b\u5b50\u5bf9\u8c61\u3002<\/p>\n

                                        \u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u56f4\u7ed5\u7740\u8fd9\u70b9\u5c55\u5f00<\/p>\n

                                        \n

                                        \u4e00\u3001\u6d3e\u751f\u7c7b\u5bf9\u8c61\u7531\u54ea\u4e9b\u90e8\u5206\u7ec4\u6210？<\/h3>\n

                                        1.1 \u57fa\u7c7b\u5b50\u5bf9\u8c61\u548c\u6d3e\u751f\u7c7b\u6210\u5458<\/h4>\n

                                        \u5047\u8bbe\u6709\u4e0b\u9762\u4e24\u4e2a\u7c7b：<\/p>\n

                                        #<\/span>include<\/span> <string><\/span><\/span>
                                        \nusing<\/span> namespace<\/span> std;<\/span><\/p>\n

                                        class<\/span> Person<\/span>
                                        \n{<\/span>
                                        \nprotected<\/span>:<\/span>
                                        \n string _name;<\/span>
                                        \n int<\/span> _age =<\/span> 0<\/span>;<\/span>
                                        \n}<\/span>;<\/span><\/p>\n

                                        class<\/span> Student<\/span> :<\/span> public<\/span> Person<\/span><\/span>
                                        \n{<\/span>
                                        \nprotected<\/span>:<\/span>
                                        \n int<\/span> _studentId =<\/span> 0<\/span>;<\/span>
                                        \n}<\/span>;<\/span><\/p>\n

                                        \u4e00\u4e2a Student \u5bf9\u8c61\u53ef\u4ee5\u62bd\u8c61\u6210：<\/p>\n

                                        Student \u5bf9\u8c61
                                        \n\u251c\u2500\u2500 Person \u57fa\u7c7b\u5b50\u5bf9\u8c61
                                        \n\u2502 \u251c\u2500\u2500 _name
                                        \n\u2502 \u2514\u2500\u2500 _age
                                        \n\u2514\u2500\u2500 Student \u81ea\u5df1\u7684\u6210\u5458
                                        \n \u2514\u2500\u2500 _studentId<\/p>\n

                                        \u8fd9\u91cc\u7684 Person \u4e0d\u662f\u72ec\u7acb\u4e8e Student \u7684\u53e6\u4e00\u4e2a\u5bf9\u8c61，\u800c\u662f Student \u5bf9\u8c61\u5185\u90e8\u7684\u4e00\u4e2a\u57fa\u7c7b\u5b50\u5bf9\u8c61\u3002<\/p>\n

                                        \u56e0\u6b64，\u6784\u9020 Student \u65f6，\u9700\u8981\u5148\u8ba9 Person \u90e8\u5206\u8fdb\u5165\u6709\u6548\u72b6\u6001，\u518d\u521d\u59cb\u5316\u5b66\u751f\u81ea\u5df1\u7684\u6210\u5458\u3002 \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

                                        1.2 \u5bf9\u8c61\u521d\u59cb\u5316\u4e0d\u662f\u7b80\u5355\u5730\u6267\u884c\u6784\u9020\u51fd\u6570\u4f53<\/h4>\n

                                        \u6784\u9020\u5bf9\u8c61\u65f6，\u771f\u6b63\u7684\u987a\u5e8f\u5927\u81f4\u662f：<\/p>\n

                                        \u865a\u57fa\u7c7b
                                        \n\u2192 \u76f4\u63a5\u975e\u865a\u57fa\u7c7b
                                        \n\u2192 \u6210\u5458\u53d8\u91cf
                                        \n\u2192 \u6d3e\u751f\u7c7b\u6784\u9020\u51fd\u6570\u4f53<\/p>\n

                                        \u5176\u4e2d：<\/p>\n

                                          \n
                                        • \u57fa\u7c7b\u6309\u7167\u7ee7\u627f\u5217\u8868\u4e2d\u7684\u58f0\u660e\u987a\u5e8f\u521d\u59cb\u5316<\/li>\n
                                        • \u6210\u5458\u53d8\u91cf\u6309\u7167\u5b83\u4eec\u5728\u7c7b\u4e2d\u7684\u58f0\u660e\u987a\u5e8f\u521d\u59cb\u5316<\/li>\n
                                        • \u548c\u521d\u59cb\u5316\u5217\u8868\u4e2d\u7684\u4e66\u5199\u5148\u540e\u65e0\u5173<\/li>\n<\/ul>\n

                                          \u56e0\u6b64\u4e0d\u8981\u6545\u610f\u628a\u521d\u59cb\u5316\u5217\u8868\u5199\u6210\u4e0e\u58f0\u660e\u987a\u5e8f\u4e0d\u540c\u7684\u6837\u5b50，\u867d\u7136\u7a0b\u5e8f\u53ef\u80fd\u4ecd\u80fd\u7f16\u8bd1，\u4f46\u9605\u8bfb\u8d77\u6765\u5f88\u5bb9\u6613\u4ea7\u751f\u8bef\u89e3\u3002<\/p>\n

                                          \n

                                          \u4e8c\u3001\u6d3e\u751f\u7c7b\u6784\u9020\u51fd\u6570\u5982\u4f55\u521d\u59cb\u5316\u57fa\u7c7b？<\/h3>\n

                                          2.1 \u57fa\u7c7b\u6709\u9ed8\u8ba4\u6784\u9020\u51fd\u6570<\/h4>\n

                                          #<\/span>include<\/span> <iostream><\/span><\/span>
                                          \n#<\/span>include<\/span> <string><\/span><\/span>
                                          \nusing<\/span> namespace<\/span> std;<\/span><\/p>\n

                                          class<\/span> Person<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n Person<\/span>(<\/span>)<\/span>
                                          \n {<\/span>
                                          \n cout <<<\/span> "Person()"<\/span> <<<\/span> endl;<\/span>
                                          \n }<\/span><\/p>\n

                                          protected<\/span>:<\/span>
                                          \n string _name;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Student<\/span> :<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n Student<\/span>(<\/span>)<\/span>
                                          \n {<\/span>
                                          \n cout <<<\/span> "Student()"<\/span> <<<\/span> endl;<\/span>
                                          \n }<\/span><\/p>\n

                                          private<\/span>:<\/span>
                                          \n int<\/span> _studentId =<\/span> 0<\/span>;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u521b\u5efa\u5bf9\u8c61：<\/p>\n

                                          Student student;<\/span><\/p>\n

                                          \u8f93\u51fa\u987a\u5e8f\u662f：<\/p>\n

                                          Person()
                                          \nStudent()<\/p>\n

                                          \u7f16\u8bd1\u5668\u4f1a\u5148\u6784\u9020\u57fa\u7c7b\u5b50\u5bf9\u8c61，\u518d\u6267\u884c\u6d3e\u751f\u7c7b\u6784\u9020\u51fd\u6570\u3002<\/p>\n

                                          2.2 \u57fa\u7c7b\u6ca1\u6709\u9ed8\u8ba4\u6784\u9020\u51fd\u6570<\/h4>\n

                                          \u5047\u8bbe\u57fa\u7c7b\u53ea\u80fd\u901a\u8fc7\u59d3\u540d\u6784\u9020：<\/p>\n

                                          class<\/span> Person<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n explicit<\/span> Person<\/span>(<\/span>const<\/span> string&<\/span> name)<\/span>
                                          \n :<\/span> _name<\/span>(<\/span>name)<\/span>
                                          \n {<\/span>
                                          \n cout <<<\/span> "Person(const string&)"<\/span> <<<\/span> endl;<\/span>
                                          \n }<\/span><\/p>\n

                                          protected<\/span>:<\/span>
                                          \n string _name;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u6d3e\u751f\u7c7b\u5fc5\u987b\u5728\u521d\u59cb\u5316\u5217\u8868\u4e2d\u660e\u786e\u8c03\u7528\u57fa\u7c7b\u6784\u9020\u51fd\u6570：<\/p>\n

                                          class<\/span> Student<\/span> :<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n Student<\/span>(<\/span>const<\/span> string&<\/span> name,<\/span> int<\/span> studentId)<\/span>
                                          \n :<\/span> Person<\/span>(<\/span>name)<\/span>
                                          \n ,<\/span> _studentId<\/span>(<\/span>studentId)<\/span>
                                          \n {<\/span>
                                          \n cout <<<\/span> "Student(const string&, int)"<\/span> <<<\/span> endl;<\/span>
                                          \n }<\/span><\/p>\n

                                          private<\/span>:<\/span>
                                          \n int<\/span> _studentId;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u4e0d\u80fd\u5199\u6210：<\/p>\n

                                          Student<\/span>(<\/span>const<\/span> string&<\/span> name,<\/span> int<\/span> studentId)<\/span>
                                          \n{<\/span>
                                          \n Person<\/span>(<\/span>name)<\/span>;<\/span>
                                          \n}<\/span><\/p>\n

                                          \u56e0\u4e3a\u6784\u9020\u51fd\u6570\u4f53\u5f00\u59cb\u6267\u884c\u65f6，\u57fa\u7c7b\u5b50\u5bf9\u8c61\u65e9\u5c31\u5e94\u8be5\u5b8c\u6210\u521d\u59cb\u5316\u4e86\u3002<\/p>\n

                                          \u51fd\u6570\u4f53\u4e2d\u7684：<\/p>\n

                                          Person<\/span>(<\/span>name)<\/span>;<\/span><\/p>\n

                                          \u53ea\u4f1a\u521b\u5efa\u4e00\u4e2a\u4e34\u65f6\u7684 Person \u5bf9\u8c61，\u5e76\u4e0d\u80fd\u91cd\u65b0\u521d\u59cb\u5316\u5f53\u524d\u5bf9\u8c61\u4e2d\u7684\u57fa\u7c7b\u90e8\u5206\u3002<\/p>\n

                                          \n

                                          \u4e09\u3001\u6d3e\u751f\u7c7b\u7684\u62f7\u8d1d\u6784\u9020<\/h3>\n

                                          3.1 \u7f16\u8bd1\u5668\u9ed8\u8ba4\u751f\u6210\u65f6\u4f1a\u5904\u7406\u57fa\u7c7b\u90e8\u5206<\/h4>\n

                                          class<\/span> Person<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n Person<\/span>(<\/span>const<\/span> Person&<\/span> other)<\/span>
                                          \n :<\/span> _name<\/span>(<\/span>other.<\/span>_name)<\/span>
                                          \n {<\/span>
                                          \n }<\/span><\/p>\n

                                          protected<\/span>:<\/span>
                                          \n string _name;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Student<\/span> :<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \nprivate<\/span>:<\/span>
                                          \n int<\/span> _studentId =<\/span> 0<\/span>;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u5982\u679c\u6ca1\u6709\u624b\u52a8\u7f16\u5199 Student \u7684\u62f7\u8d1d\u6784\u9020，\u7f16\u8bd1\u5668\u751f\u6210\u7684\u7248\u672c\u4f1a\u4f9d\u6b21\u62f7\u8d1d：<\/p>\n

                                          Person \u57fa\u7c7b\u5b50\u5bf9\u8c61
                                          \nStudent \u81ea\u5df1\u7684\u6210\u5458<\/p>\n

                                          3.2 \u624b\u52a8\u7f16\u5199\u65f6\u8981\u663e\u5f0f\u62f7\u8d1d\u57fa\u7c7b<\/h4>\n

                                          class<\/span> Student<\/span> :<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n Student<\/span>(<\/span>const<\/span> string&<\/span> name,<\/span> int<\/span> studentId)<\/span>
                                          \n :<\/span> Person<\/span>(<\/span>name)<\/span>
                                          \n ,<\/span> _studentId<\/span>(<\/span>studentId)<\/span>
                                          \n {<\/span>
                                          \n }<\/span><\/p>\n

                                          Student<\/span>(<\/span>const<\/span> Student&<\/span> other)<\/span>
                                          \n :<\/span> Person<\/span>(<\/span>other)<\/span>
                                          \n ,<\/span> _studentId<\/span>(<\/span>other.<\/span>_studentId)<\/span>
                                          \n {<\/span>
                                          \n }<\/span><\/p>\n

                                          private<\/span>:<\/span>
                                          \n int<\/span> _studentId;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u5176\u4e2d：<\/p>\n

                                          Person<\/span>(<\/span>other)<\/span><\/p>\n

                                          \u8d1f\u8d23\u8c03\u7528\u57fa\u7c7b\u7684\u62f7\u8d1d\u6784\u9020，\u590d\u5236\u57fa\u7c7b\u90e8\u5206\u3002<\/p>\n

                                          \u5982\u679c\u5fd8\u8bb0\u5199\u8fd9\u4e00\u9879，\u7f16\u8bd1\u5668\u4f1a\u5c1d\u8bd5\u9ed8\u8ba4\u6784\u9020\u57fa\u7c7b，\u800c\u4e0d\u662f\u81ea\u52a8\u731c\u6d4b\u4f60\u60f3\u8c03\u7528\u57fa\u7c7b\u62f7\u8d1d\u6784\u9020\u3002<\/p>\n

                                          \u5982\u679c\u57fa\u7c7b\u6ca1\u6709\u9ed8\u8ba4\u6784\u9020\u51fd\u6570，\u5c31\u4f1a\u76f4\u63a5\u7f16\u8bd1\u5931\u8d25\u3002<\/p>\n

                                          \n

                                          \u56db\u3001\u6d3e\u751f\u7c7b\u7684\u8d4b\u503c\u8fd0\u7b97\u7b26<\/h3>\n

                                          4.1 \u8d4b\u503c\u4e5f\u8981\u5904\u7406\u4e24\u90e8\u5206<\/h4>\n

                                          \u6d3e\u751f\u7c7b\u8d4b\u503c\u65f6，\u9700\u8981\u590d\u5236：<\/p>\n

                                          \u57fa\u7c7b\u90e8\u5206
                                          \n\u6d3e\u751f\u7c7b\u81ea\u5df1\u7684\u90e8\u5206<\/p>\n

                                          \u53ef\u4ee5\u8fd9\u6837\u5b9e\u73b0：<\/p>\n

                                          class<\/span> Student<\/span> :<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n Student<\/span>(<\/span>const<\/span> string&<\/span> name,<\/span> int<\/span> studentId)<\/span>
                                          \n :<\/span> Person<\/span>(<\/span>name)<\/span>
                                          \n ,<\/span> _studentId<\/span>(<\/span>studentId)<\/span>
                                          \n {<\/span>
                                          \n }<\/span><\/p>\n

                                          Student&<\/span> operator<\/span>=<\/span>(<\/span>const<\/span> Student&<\/span> other)<\/span>
                                          \n {<\/span>
                                          \n if<\/span> (<\/span>this<\/span> !=<\/span> &<\/span>other)<\/span>
                                          \n {<\/span>
                                          \n Person::<\/span>operator<\/span>=<\/span>(<\/span>other)<\/span>;<\/span>
                                          \n _studentId =<\/span> other.<\/span>_studentId;<\/span>
                                          \n }<\/span><\/p>\n

                                          return<\/span> *<\/span>this<\/span>;<\/span>
                                          \n }<\/span><\/p>\n

                                          private<\/span>:<\/span>
                                          \n int<\/span> _studentId;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u8fd9\u91cc\u9700\u8981\u660e\u786e\u5199：<\/p>\n

                                          Person::<\/span>operator<\/span>=<\/span>(<\/span>other)<\/span>;<\/span><\/p>\n

                                          \u539f\u56e0\u662f\u6d3e\u751f\u7c7b\u81ea\u5df1\u7684 operator= \u4f1a\u9690\u85cf\u57fa\u7c7b\u4e2d\u7684\u540c\u540d\u51fd\u6570\u3002<\/p>\n

                                          \u5982\u679c\u53ea\u5199：<\/p>\n

                                          operator<\/span>=<\/span>(<\/span>other)<\/span>;<\/span><\/p>\n

                                          \u5f88\u53ef\u80fd\u518d\u6b21\u8c03\u7528\u5f53\u524d\u6d3e\u751f\u7c7b\u7684\u8d4b\u503c\u51fd\u6570，\u5f62\u6210\u9519\u8bef\u9012\u5f52\u3002 \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

                                          4.2 \u53ef\u4ee5\u4f18\u5148\u4f7f\u7528 = default<\/h4>\n

                                          \u5982\u679c\u6210\u5458\u672c\u8eab\u90fd\u652f\u6301\u6b63\u786e\u7684\u62f7\u8d1d\u548c\u8d4b\u503c，\u901a\u5e38\u4e0d\u9700\u8981\u624b\u52a8\u5199\u8fd9\u4e9b\u51fd\u6570\u3002<\/p>\n

                                          class<\/span> Student<\/span> :<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n Student<\/span>(<\/span>const<\/span> Student&<\/span>)<\/span> =<\/span> default<\/span>;<\/span>
                                          \n Student&<\/span> operator<\/span>=<\/span>(<\/span>const<\/span> Student&<\/span>)<\/span> =<\/span> default<\/span>;<\/span><\/p>\n

                                          private<\/span>:<\/span>
                                          \n int<\/span> _studentId =<\/span> 0<\/span>;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u7f16\u8bd1\u5668\u751f\u6210\u7684\u7248\u672c\u4f1a\u81ea\u52a8\u5904\u7406\u57fa\u7c7b\u5b50\u5bf9\u8c61\u548c\u6210\u5458\u53d8\u91cf\u3002<\/p>\n

                                          \u53ea\u6709\u5728\u7c7b\u9700\u8981\u7279\u6b8a\u8d44\u6e90\u7ba1\u7406\u3001\u65e5\u5fd7\u6216\u989d\u5916\u7ea6\u675f\u65f6，\u624d\u6709\u5fc5\u8981\u624b\u52a8\u5b9e\u73b0\u3002<\/p>\n

                                          \n

                                          \u4e94\u3001\u6784\u9020\u548c\u6790\u6784\u987a\u5e8f<\/h3>\n

                                          5.1 \u6784\u9020\u987a\u5e8f<\/h4>\n

                                          \u5047\u8bbe：<\/p>\n

                                          class<\/span> Base<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n Base<\/span>(<\/span>)<\/span>
                                          \n {<\/span>
                                          \n cout <<<\/span> "Base()"<\/span> <<<\/span> endl;<\/span>
                                          \n }<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Member<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n Member<\/span>(<\/span>)<\/span>
                                          \n {<\/span>
                                          \n cout <<<\/span> "Member()"<\/span> <<<\/span> endl;<\/span>
                                          \n }<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Derived<\/span> :<\/span> public<\/span> Base<\/span><\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n Derived<\/span>(<\/span>)<\/span>
                                          \n {<\/span>
                                          \n cout <<<\/span> "Derived()"<\/span> <<<\/span> endl;<\/span>
                                          \n }<\/span><\/p>\n

                                          private<\/span>:<\/span>
                                          \n Member _member;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u521b\u5efa：<\/p>\n

                                          Derived object;<\/span><\/p>\n

                                          \u8f93\u51fa：<\/p>\n

                                          Base()
                                          \nMember()
                                          \nDerived()<\/p>\n

                                          \u6784\u9020\u987a\u5e8f\u4e3a：<\/p>\n

                                          \u57fa\u7c7b
                                          \n\u2192 \u6210\u5458\u5bf9\u8c61
                                          \n\u2192 \u6d3e\u751f\u7c7b\u6784\u9020\u51fd\u6570\u4f53<\/p>\n

                                          \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

                                          5.2 \u6790\u6784\u987a\u5e8f<\/h4>\n

                                          \u5bf9\u8c61\u9500\u6bc1\u65f6\u987a\u5e8f\u53cd\u8fc7\u6765：<\/p>\n

                                          \u6d3e\u751f\u7c7b\u6790\u6784\u51fd\u6570\u4f53
                                          \n\u2192 \u6210\u5458\u5bf9\u8c61
                                          \n\u2192 \u57fa\u7c7b<\/p>\n

                                          \u5982\u679c\u52a0\u5165\u6790\u6784\u8f93\u51fa，\u7ed3\u679c\u5927\u81f4\u662f：<\/p>\n

                                          ~Derived()
                                          \n~Member()
                                          \n~Base()<\/p>\n

                                          \u4e3a\u4ec0\u4e48\u6790\u6784\u8981\u53cd\u8fc7\u6765？<\/p>\n

                                          \u56e0\u4e3a\u6d3e\u751f\u7c7b\u53ef\u80fd\u8fd8\u4f9d\u8d56\u57fa\u7c7b\u63d0\u4f9b\u7684\u72b6\u6001\u3002\u53ea\u6709\u5148\u6e05\u7406\u6700\u5916\u5c42\u7684\u6d3e\u751f\u7c7b，\u518d\u9010\u5c42\u6e05\u7406\u5b83\u4f9d\u8d56\u7684\u5185\u90e8\u90e8\u5206，\u624d\u80fd\u4fdd\u6301\u5bf9\u8c61\u751f\u547d\u5468\u671f\u7684\u5b8c\u6574\u6027\u3002<\/p>\n

                                          \u53ef\u4ee5\u628a\u5b83\u7406\u89e3\u6210\u642d\u79ef\u6728：<\/p>\n

                                          \u642d\u5efa\u65f6：\u5148\u5e95\u5ea7，\u518d\u4e0a\u5c42
                                          \n\u62c6\u9664\u65f6：\u5148\u4e0a\u5c42，\u518d\u5e95\u5ea7<\/p>\n

                                          \n

                                          \u516d\u3001\u57fa\u7c7b\u6790\u6784\u51fd\u6570\u4ec0\u4e48\u65f6\u5019\u8981\u52a0 virtual？<\/h3>\n

                                          6.1 \u901a\u8fc7\u57fa\u7c7b\u6307\u9488\u5220\u9664\u6d3e\u751f\u5bf9\u8c61<\/h4>\n

                                          \u770b\u4e0b\u9762\u7684\u4ee3\u7801：<\/p>\n

                                          class<\/span> Base<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n ~<\/span>Base<\/span>(<\/span>)<\/span>
                                          \n {<\/span>
                                          \n cout <<<\/span> "~Base()"<\/span> <<<\/span> endl;<\/span>
                                          \n }<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Derived<\/span> :<\/span> public<\/span> Base<\/span><\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n ~<\/span>Derived<\/span>(<\/span>)<\/span>
                                          \n {<\/span>
                                          \n cout <<<\/span> "~Derived()"<\/span> <<<\/span> endl;<\/span>
                                          \n }<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u5982\u679c\u6267\u884c：<\/p>\n

                                          Base*<\/span> ptr =<\/span> new<\/span> Derived;<\/span>
                                          \ndelete<\/span> ptr;<\/span><\/p>\n

                                          \u57fa\u7c7b\u6790\u6784\u51fd\u6570\u4e0d\u662f\u865a\u51fd\u6570\u65f6，\u901a\u8fc7\u57fa\u7c7b\u6307\u9488\u5220\u9664\u6d3e\u751f\u5bf9\u8c61\u4f1a\u4ea7\u751f\u672a\u5b9a\u4e49\u884c\u4e3a\u3002<\/p>\n

                                          \u6b63\u786e\u8bbe\u8ba1\u901a\u5e38\u662f：<\/p>\n

                                          class<\/span> Base<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n virtual<\/span> ~<\/span>Base<\/span>(<\/span>)<\/span> =<\/span> default<\/span>;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u6b64\u65f6：<\/p>\n

                                          Base*<\/span> ptr =<\/span> new<\/span> Derived;<\/span>
                                          \ndelete<\/span> ptr;<\/span><\/p>\n

                                          \u4f1a\u5148\u8c03\u7528：<\/p>\n

                                          Derived::~Derived()<\/p>\n

                                          \u518d\u8c03\u7528：<\/p>\n

                                          Base::~Base()<\/p>\n

                                          \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

                                          6.2 \u54ea\u4e9b\u57fa\u7c7b\u9700\u8981\u865a\u6790\u6784？<\/h4>\n

                                          \u5982\u679c\u4e00\u4e2a\u7c7b\u6ee1\u8db3\u4e0b\u9762\u7684\u60c5\u51b5：<\/p>\n

                                          \u5b83\u5177\u6709\u865a\u51fd\u6570
                                          \n\u5b83\u4f1a\u88ab\u5f53\u4f5c\u591a\u6001\u57fa\u7c7b\u4f7f\u7528
                                          \n\u5916\u90e8\u53ef\u80fd\u901a\u8fc7 Base* \u5220\u9664\u6d3e\u751f\u5bf9\u8c61<\/p>\n

                                          \u90a3\u4e48\u5b83\u901a\u5e38\u5e94\u8be5\u5177\u6709\u516c\u6709\u865a\u6790\u6784\u51fd\u6570：<\/p>\n

                                          virtual<\/span> ~<\/span>Base<\/span>(<\/span>)<\/span> =<\/span> default<\/span>;<\/span><\/p>\n

                                          \u5982\u679c\u660e\u786e\u7981\u6b62\u901a\u8fc7\u57fa\u7c7b\u6307\u9488\u5220\u9664\u5bf9\u8c61，\u4e5f\u53ef\u4ee5\u628a\u6790\u6784\u51fd\u6570\u8bbe\u8ba1\u6210\u4fdd\u62a4\u7684\u975e\u865a\u51fd\u6570，\u4f46\u8fd9\u79cd\u8bbe\u8ba1\u9700\u8981\u66f4\u660e\u786e\u7684\u7ea6\u675f\u3002<\/p>\n

                                          \n

                                          \u4e03\u3001\u5982\u4f55\u7981\u6b62\u4e00\u4e2a\u7c7b\u88ab\u7ee7\u627f？<\/h3>\n

                                          7.1 \u4f7f\u7528 final<\/h4>\n

                                          C++11 \u63d0\u4f9b\u4e86 final：<\/p>\n

                                          class<\/span> Utility<\/span> final<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n void<\/span> run<\/span>(<\/span>)<\/span>
                                          \n {<\/span>
                                          \n }<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u4e0b\u9762\u7684\u4ee3\u7801\u4f1a\u7f16\u8bd1\u5931\u8d25：<\/p>\n

                                          class<\/span> Derived<\/span> :<\/span> public<\/span> Utility<\/span><\/span>
                                          \n{<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          final \u660e\u786e\u8868\u793a：<\/p>\n

                                          \u5f53\u524d\u7c7b\u4e0d\u5141\u8bb8\u7ee7\u7eed\u6d3e\u751f\u3002<\/p>\n

                                          \u5b83\u6bd4\u901a\u8fc7\u7279\u6b8a\u6784\u9020\u51fd\u6570\u6743\u9650\u7ed5\u5f00\u7ee7\u627f\u66f4\u52a0\u76f4\u89c2\u3002<\/p>\n

                                          7.2 \u79c1\u6709\u6784\u9020\u51fd\u6570\u7684\u65e7\u601d\u8def<\/h4>\n

                                          \u5728\u65e7\u5f0f\u8bbe\u8ba1\u4e2d，\u4e5f\u53ef\u4ee5\u628a\u57fa\u7c7b\u6784\u9020\u51fd\u6570\u8bbe\u4e3a\u79c1\u6709：<\/p>\n

                                          class<\/span> Base<\/span>
                                          \n{<\/span>
                                          \nprivate<\/span>:<\/span>
                                          \n Base<\/span>(<\/span>)<\/span> =<\/span> default<\/span>;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u6d3e\u751f\u7c7b\u65e0\u6cd5\u8c03\u7528\u57fa\u7c7b\u6784\u9020\u51fd\u6570，\u56e0\u6b64\u901a\u5e38\u65e0\u6cd5\u6b63\u5e38\u6784\u9020\u3002<\/p>\n

                                          \u4e0d\u8fc7\u8fd9\u79cd\u5199\u6cd5\u8868\u8fbe\u610f\u56fe\u4e0d\u591f\u76f4\u63a5，\u4e5f\u4f1a\u5f71\u54cd\u57fa\u7c7b\u672c\u8eab\u7684\u521b\u5efa\u65b9\u5f0f\u3002\u73b0\u4ee3 C++ \u4e2d，\u7981\u6b62\u7ee7\u627f\u4f18\u5148\u4f7f\u7528 final\u3002<\/p>\n

                                          \n

                                          \u516b\u3001\u53cb\u5143\u5173\u7cfb\u4e0d\u4f1a\u6cbf\u7ee7\u627f\u94fe\u4f20\u64ad<\/h3>\n

                                          8.1 \u57fa\u7c7b\u53cb\u5143\u53ea\u80fd\u8bbf\u95ee\u57fa\u7c7b<\/h4>\n

                                          class<\/span> Student<\/span>;<\/span><\/p>\n

                                          class<\/span> Person<\/span>
                                          \n{<\/span>
                                          \n friend<\/span> void<\/span> display<\/span>(<\/span>const<\/span> Person&<\/span>,<\/span> const<\/span> Student&<\/span>)<\/span>;<\/span><\/p>\n

                                          protected<\/span>:<\/span>
                                          \n string _name;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Student<\/span> :<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \nprotected<\/span>:<\/span>
                                          \n int<\/span> _studentId =<\/span> 0<\/span>;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u51fd\u6570：<\/p>\n

                                          void<\/span> display<\/span>(<\/span>const<\/span> Person&<\/span> person,<\/span> const<\/span> Student&<\/span> student)<\/span>
                                          \n{<\/span>
                                          \n cout <<<\/span> person.<\/span>_name <<<\/span> endl;<\/span><\/p>\n

                                          \/\/ cout << student._studentId << endl; \/\/ \u9519\u8bef<\/span>
                                          \n}<\/span><\/p>\n

                                          \u867d\u7136 display \u662f Person \u7684\u53cb\u5143，\u4f46\u5b83\u4e0d\u662f Student \u7684\u53cb\u5143\u3002<\/p>\n

                                          \u53cb\u5143\u5173\u7cfb\u4e0d\u4f1a\u81ea\u52a8\u7ee7\u627f\u3002<\/p>\n

                                          \u5982\u679c\u786e\u5b9e\u9700\u8981\u8bbf\u95ee\u5b66\u751f\u7684\u975e\u516c\u6709\u6210\u5458，\u9700\u8981\u5728 Student \u4e2d\u518d\u6b21\u58f0\u660e：<\/p>\n

                                          class<\/span> Student<\/span> :<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \n friend<\/span> void<\/span> display<\/span>(<\/span>const<\/span> Person&<\/span>,<\/span> const<\/span> Student&<\/span>)<\/span>;<\/span><\/p>\n

                                          protected<\/span>:<\/span>
                                          \n int<\/span> _studentId =<\/span> 0<\/span>;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          8.2 \u53cb\u5143\u4e5f\u4e0d\u5177\u6709\u4f20\u9012\u6027<\/h4>\n

                                          \u5373\u4f7f：<\/p>\n

                                          A \u662f B \u7684\u53cb\u5143
                                          \nB \u662f C \u7684\u53cb\u5143<\/p>\n

                                          \u4e5f\u4e0d\u80fd\u63a8\u51fa：<\/p>\n

                                          A \u662f C \u7684\u53cb\u5143<\/p>\n

                                          \u53cb\u5143\u662f\u4e00\u79cd\u7531\u7c7b\u660e\u786e\u6388\u4e88\u7684\u8bbf\u95ee\u6743\u9650，\u4e0d\u5e94\u5f53\u6cbf\u5173\u7cfb\u94fe\u81ea\u52a8\u6269\u6563\u3002<\/p>\n

                                          \n

                                          \u4e5d\u3001\u9759\u6001\u6210\u5458\u5728\u7ee7\u627f\u4f53\u7cfb\u4e2d\u53ea\u6709\u4e00\u4efd<\/h3>\n

                                          9.1 \u666e\u901a\u6210\u5458\u6bcf\u4e2a\u5bf9\u8c61\u5404\u6709\u4e00\u4efd<\/h4>\n

                                          class<\/span> Person<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n string _name;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Student<\/span> :<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u521b\u5efa：<\/p>\n

                                          Person person;<\/span>
                                          \nStudent student;<\/span><\/p>\n

                                          person._name \u548c student._name \u5c5e\u4e8e\u4e0d\u540c\u5bf9\u8c61，\u5730\u5740\u4e5f\u4e0d\u540c\u3002 \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

                                          9.2 static \u6210\u5458\u5c5e\u4e8e\u7c7b<\/h4>\n

                                          class<\/span> Person<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n static<\/span> int<\/span> _count;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          int<\/span> Person::<\/span>_count =<\/span> 0<\/span>;<\/span><\/p>\n

                                          class<\/span> Student<\/span> :<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u65e0\u8bba\u901a\u8fc7\u54ea\u4e2a\u7c7b\u540d\u8bbf\u95ee：<\/p>\n

                                          Person::<\/span>_count =<\/span> 10<\/span>;<\/span><\/p>\n

                                          cout <<<\/span> Person::<\/span>_count <<<\/span> endl;<\/span>
                                          \ncout <<<\/span> Student::<\/span>_count <<<\/span> endl;<\/span><\/p>\n

                                          \u8bbf\u95ee\u7684\u90fd\u662f\u540c\u4e00\u4e2a\u9759\u6001\u6210\u5458\u3002<\/p>\n

                                          \u4e5f\u53ef\u4ee5\u901a\u8fc7\u5bf9\u8c61\u8bbf\u95ee：<\/p>\n

                                          Person person;<\/span>
                                          \nStudent student;<\/span><\/p>\n

                                          cout <<<\/span> &<\/span>person.<\/span>_count <<<\/span> endl;<\/span>
                                          \ncout <<<\/span> &<\/span>student.<\/span>_count <<<\/span> endl;<\/span><\/p>\n

                                          \u4e24\u4e2a\u5730\u5740\u76f8\u540c\u3002<\/p>\n

                                          \u9759\u6001\u6210\u5458\u4e0d\u5c5e\u4e8e\u67d0\u4e2a\u5177\u4f53\u5bf9\u8c61，\u800c\u5c5e\u4e8e\u6574\u4e2a\u7c7b\u53ca\u5176\u7ee7\u627f\u4f53\u7cfb\u6240\u5f15\u7528\u7684\u90a3\u4e00\u4e2a\u58f0\u660e\u3002<\/p>\n

                                          \n

                                          \u5341\u3001\u591a\u7ee7\u627f\u662f\u4ec0\u4e48？<\/h3>\n

                                          10.1 \u5355\u7ee7\u627f<\/h4>\n

                                          \u4e00\u4e2a\u6d3e\u751f\u7c7b\u53ea\u6709\u4e00\u4e2a\u76f4\u63a5\u57fa\u7c7b：<\/p>\n

                                          class<\/span> Student<\/span> :<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u5173\u7cfb\u4e3a：<\/p>\n

                                          Person
                                          \n \u2193
                                          \nStudent<\/p>\n

                                          10.2 \u591a\u7ee7\u627f<\/h4>\n

                                          \u4e00\u4e2a\u6d3e\u751f\u7c7b\u540c\u65f6\u62e5\u6709\u4e24\u4e2a\u6216\u66f4\u591a\u76f4\u63a5\u57fa\u7c7b：<\/p>\n

                                          class<\/span> Scanner<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n void<\/span> scan<\/span>(<\/span>)<\/span>
                                          \n {<\/span>
                                          \n }<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Printer<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n void<\/span> print<\/span>(<\/span>)<\/span>
                                          \n {<\/span>
                                          \n }<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> AllInOneMachine<\/span> :<\/span> public<\/span> Scanner<\/span>,<\/span> public<\/span> Printer<\/span><\/span>
                                          \n{<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u6b64\u65f6：<\/p>\n

                                          Scanner Printer
                                          \n \\\\ \/
                                          \n \\\\ \/
                                          \n AllInOneMachine<\/p>\n

                                          \u5bf9\u8c61\u53ef\u4ee5\u540c\u65f6\u4f7f\u7528\u4e24\u4e2a\u57fa\u7c7b\u63d0\u4f9b\u7684\u63a5\u53e3：<\/p>\n

                                          AllInOneMachine machine;<\/span><\/p>\n

                                          machine.<\/span>scan<\/span>(<\/span>)<\/span>;<\/span>
                                          \nmachine.<\/span>print<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

                                          10.3 \u591a\u7ee7\u627f\u4e2d\u7684\u540c\u540d\u6210\u5458\u4e8c\u4e49\u6027<\/h4>\n

                                          \u5982\u679c\u4e24\u4e2a\u57fa\u7c7b\u90fd\u6709\u540c\u540d\u51fd\u6570：<\/p>\n

                                          class<\/span> Scanner<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n void<\/span> start<\/span>(<\/span>)<\/span>
                                          \n {<\/span>
                                          \n cout <<<\/span> "Scanner::start()"<\/span> <<<\/span> endl;<\/span>
                                          \n }<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Printer<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n void<\/span> start<\/span>(<\/span>)<\/span>
                                          \n {<\/span>
                                          \n cout <<<\/span> "Printer::start()"<\/span> <<<\/span> endl;<\/span>
                                          \n }<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> AllInOneMachine<\/span> :<\/span> public<\/span> Scanner<\/span>,<\/span> public<\/span> Printer<\/span><\/span>
                                          \n{<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u8c03\u7528：<\/p>\n

                                          AllInOneMachine machine;<\/span><\/p>\n

                                          \/\/ machine.start(); \/\/ \u9519\u8bef：\u4e0d\u77e5\u9053\u8c03\u7528\u54ea\u4e2a start<\/span><\/p>\n

                                          \u9700\u8981\u660e\u786e\u6307\u5b9a\u8def\u5f84：<\/p>\n

                                          machine.<\/span>Scanner<\/span>::<\/span>start<\/span>(<\/span>)<\/span>;<\/span>
                                          \nmachine.<\/span>Printer<\/span>::<\/span>start<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

                                          \u591a\u7ee7\u627f\u4f1a\u8ba9\u540d\u5b57\u67e5\u627e\u3001\u6784\u9020\u8fc7\u7a0b\u548c\u5bf9\u8c61\u8f6c\u6362\u53d8\u5f97\u66f4\u52a0\u590d\u6742，\u56e0\u6b64\u4e0d\u5b9c\u4e3a\u4e86\u7b80\u5355\u590d\u7528\u51e0\u4e2a\u51fd\u6570\u5c31\u968f\u610f\u4f7f\u7528\u3002<\/p>\n

                                          \n

                                          \u5341\u4e00\u3001\u591a\u7ee7\u627f\u4e2d\u7684\u6307\u9488\u8c03\u6574<\/h3>\n

                                          11.1 \u4e0d\u540c\u57fa\u7c7b\u6307\u9488\u53ef\u80fd\u5177\u6709\u4e0d\u540c\u5730\u5740\u503c<\/h4>\n

                                          class<\/span> Base1<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n int<\/span> _value1 =<\/span> 1<\/span>;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Base2<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n int<\/span> _value2 =<\/span> 2<\/span>;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Derived<\/span> :<\/span> public<\/span> Base1<\/span>,<\/span> public<\/span> Base2<\/span><\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n int<\/span> _value3 =<\/span> 3<\/span>;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u6267\u884c：<\/p>\n

                                          Derived object;<\/span><\/p>\n

                                          Base1*<\/span> ptr1 =<\/span> &<\/span>object;<\/span>
                                          \nBase2*<\/span> ptr2 =<\/span> &<\/span>object;<\/span>
                                          \nDerived*<\/span> ptr3 =<\/span> &<\/span>object;<\/span><\/p>\n

                                          \u7f16\u8bd1\u5668\u4f1a\u8ba9\u6bcf\u4e2a\u57fa\u7c7b\u6307\u9488\u6307\u5411\u5b83\u5bf9\u5e94\u7684\u57fa\u7c7b\u5b50\u5bf9\u8c61\u3002<\/p>\n

                                          \u56e0\u6b64，\u4ece Derived* \u8f6c\u6362\u4e3a\u67d0\u4e2a\u57fa\u7c7b\u6307\u9488\u65f6，\u7f16\u8bd1\u5668\u53ef\u80fd\u9700\u8981\u8c03\u6574\u5730\u5740\u3002<\/p>\n

                                          \u53ef\u4ee5\u62bd\u8c61\u7406\u89e3\u4e3a：<\/p>\n

                                          Derived \u5bf9\u8c61
                                          \n\u251c\u2500\u2500 Base1 \u5b50\u5bf9\u8c61 \u2190 Base1*
                                          \n\u251c\u2500\u2500 Base2 \u5b50\u5bf9\u8c61 \u2190 Base2*
                                          \n\u2514\u2500\u2500 Derived \u6210\u5458<\/p>\n

                                          11.2 \u4e0d\u8981\u4f9d\u8d56\u5177\u4f53\u5e03\u5c40<\/h4>\n

                                          \u67d0\u4e9b\u7f16\u8bd1\u5668\u4e2d，\u7b2c\u4e00\u4e2a\u975e\u865a\u57fa\u7c7b\u5b50\u5bf9\u8c61\u53ef\u80fd\u4f4d\u4e8e\u5bf9\u8c61\u8d77\u59cb\u4f4d\u7f6e，\u7b2c\u4e8c\u4e2a\u57fa\u7c7b\u4f1a\u4ea7\u751f\u504f\u79fb\u3002<\/p>\n

                                          \u4f46\u5177\u4f53\u5bf9\u8c61\u5e03\u5c40\u548c\u504f\u79fb\u5c5e\u4e8e\u5b9e\u73b0\u76f8\u5173\u7ec6\u8282，\u4e0d\u80fd\u628a\u67d0\u4e2a\u7f16\u8bd1\u5668\u89c2\u5bdf\u5230\u7684\u5730\u5740\u5173\u7cfb\u5f53\u6210\u901a\u7528\u8bed\u8a00\u89c4\u5219\u3002<\/p>\n

                                          \u5e94\u5f53\u4f9d\u8d56 C++ \u7684\u7c7b\u578b\u8f6c\u6362，\u8ba9\u7f16\u8bd1\u5668\u5b8c\u6210\u6b63\u786e\u7684\u6307\u9488\u8c03\u6574，\u800c\u4e0d\u662f\u624b\u52a8\u8ba1\u7b97\u5730\u5740\u3002<\/p>\n

                                          \n

                                          \u5341\u4e8c\u3001\u83f1\u5f62\u7ee7\u627f\u4e3a\u4ec0\u4e48\u9ebb\u70e6？<\/h3>\n

                                          12.1 \u83f1\u5f62\u7ed3\u6784<\/h4>\n

                                          \u8003\u8651\u4e0b\u9762\u7684\u7c7b\u5c42\u6b21：<\/p>\n

                                          class<\/span> Person<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n string _name;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Student<\/span> :<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \nprotected<\/span>:<\/span>
                                          \n int<\/span> _studentId =<\/span> 0<\/span>;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Teacher<\/span> :<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \nprotected<\/span>:<\/span>
                                          \n int<\/span> _teacherId =<\/span> 0<\/span>;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Assistant<\/span> :<\/span> public<\/span> Student<\/span>,<\/span> public<\/span> Teacher<\/span><\/span>
                                          \n{<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u7ed3\u6784\u4e3a：<\/p>\n

                                          Person
                                          \n \/ \\\\
                                          \n Student Teacher
                                          \n \\\\ \/
                                          \n Assistant<\/p>\n

                                          \u5f62\u72b6\u50cf\u4e00\u4e2a\u83f1\u5f62，\u56e0\u6b64\u79f0\u4e3a\u83f1\u5f62\u7ee7\u627f\u3002 \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

                                          12.2 \u6570\u636e\u5197\u4f59<\/h4>\n

                                          Student \u4e2d\u6709\u4e00\u4efd Person \u5b50\u5bf9\u8c61\u3002<\/p>\n

                                          Teacher \u4e2d\u4e5f\u6709\u4e00\u4efd Person \u5b50\u5bf9\u8c61\u3002<\/p>\n

                                          \u56e0\u6b64 Assistant \u4e2d\u4f1a\u51fa\u73b0\u4e24\u4efd\u666e\u901a\u7684 Person \u5b50\u5bf9\u8c61：<\/p>\n

                                          Assistant
                                          \n\u251c\u2500\u2500 Student
                                          \n\u2502 \u2514\u2500\u2500 Person
                                          \n\u2502 \u2514\u2500\u2500 _name
                                          \n\u2514\u2500\u2500 Teacher
                                          \n \u2514\u2500\u2500 Person
                                          \n \u2514\u2500\u2500 _name<\/p>\n

                                          \u4e00\u4e2a\u52a9\u6559\u5bf9\u8c61\u4e2d\u51fa\u73b0\u4e24\u4e2a\u59d3\u540d，\u901a\u5e38\u4e0d\u662f\u6211\u4eec\u771f\u6b63\u60f3\u8868\u8fbe\u7684\u6a21\u578b\u3002<\/p>\n

                                          12.3 \u8bbf\u95ee\u4e8c\u4e49\u6027<\/h4>\n

                                          Assistant assistant;<\/span><\/p>\n

                                          \/\/ assistant._name = "\u5c0f\u738b"; \/\/ \u9519\u8bef：\u8bbf\u95ee\u8def\u5f84\u4e0d\u660e\u786e<\/span><\/p>\n

                                          \u7f16\u8bd1\u5668\u4e0d\u77e5\u9053\u8981\u8bbf\u95ee：<\/p>\n

                                          assistant.<\/span>Student::<\/span>_name<\/p>\n

                                          \u8fd8\u662f：<\/p>\n

                                          assistant.<\/span>Teacher::<\/span>_name<\/p>\n

                                          \u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u7c7b\u57df\u89e3\u51b3\u8bbf\u95ee\u4e8c\u4e49\u6027：<\/p>\n

                                          assistant.<\/span>Student::<\/span>_name =<\/span> "\u5b66\u751f\u8def\u5f84"<\/span>;<\/span>
                                          \nassistant.<\/span>Teacher::<\/span>_name =<\/span> "\u6559\u5e08\u8def\u5f84"<\/span>;<\/span><\/p>\n

                                          \u4f46\u4e24\u4efd\u6570\u636e\u4ecd\u7136\u5b58\u5728，\u6240\u4ee5\u6570\u636e\u5197\u4f59\u6ca1\u6709\u6d88\u5931\u3002<\/p>\n

                                          \n

                                          \u5341\u4e09\u3001\u865a\u7ee7\u627f\u5982\u4f55\u89e3\u51b3\u83f1\u5f62\u95ee\u9898？<\/h3>\n

                                          13.1 \u58f0\u660e\u865a\u7ee7\u627f<\/h4>\n

                                          \u8ba9\u4e2d\u95f4\u5c42\u865a\u7ee7\u627f Person：<\/p>\n

                                          class<\/span> Student<\/span> :<\/span> virtual<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \nprotected<\/span>:<\/span>
                                          \n int<\/span> _studentId =<\/span> 0<\/span>;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Teacher<\/span> :<\/span> virtual<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \nprotected<\/span>:<\/span>
                                          \n int<\/span> _teacherId =<\/span> 0<\/span>;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Assistant<\/span> :<\/span> public<\/span> Student<\/span>,<\/span> public<\/span> Teacher<\/span><\/span>
                                          \n{<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u6b64\u65f6，\u6700\u6d3e\u751f\u7684 Assistant \u5bf9\u8c61\u4e2d\u53ea\u4fdd\u7559\u4e00\u4efd\u5171\u4eab\u7684 Person \u865a\u57fa\u7c7b\u5b50\u5bf9\u8c61：<\/p>\n

                                          Person
                                          \n \u2197 \u2196
                                          \n Student Teacher
                                          \n \u2198 \u2199
                                          \n Assistant<\/p>\n

                                          \u5bf9\u8c61\u53ef\u4ee5\u62bd\u8c61\u6210：<\/p>\n

                                          Assistant
                                          \n\u251c\u2500\u2500 Student \u90e8\u5206
                                          \n\u251c\u2500\u2500 Teacher \u90e8\u5206
                                          \n\u251c\u2500\u2500 Assistant \u81ea\u5df1\u7684\u6210\u5458
                                          \n\u2514\u2500\u2500 \u5171\u4eab\u7684 Person \u865a\u57fa\u7c7b\u5b50\u5bf9\u8c61<\/p>\n

                                          \u4e8e\u662f：<\/p>\n

                                          Assistant assistant;<\/span>
                                          \nassistant.<\/span>_name =<\/span> "\u5c0f\u738b"<\/span>;<\/span><\/p>\n

                                          \u4e0d\u518d\u6709\u4e24\u4efd\u666e\u901a Person \u5b50\u5bf9\u8c61\u9020\u6210\u7684\u4e8c\u4e49\u6027\u3002 \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

                                          13.2 virtual \u5199\u5728\u4ec0\u4e48\u4f4d\u7f6e？<\/h4>\n

                                          \u4e0b\u9762\u4e24\u79cd\u5199\u6cd5\u7b49\u4ef7：<\/p>\n

                                          class<\/span> Student<\/span> :<\/span> virtual<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Student<\/span> :<\/span> public<\/span> virtual<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u4e00\u822c\u4f7f\u7528\u7b2c\u4e00\u79cd\u6216\u56e2\u961f\u7edf\u4e00\u7684\u98ce\u683c\u5373\u53ef\u3002<\/p>\n

                                          \n

                                          \u5341\u56db\u3001\u865a\u57fa\u7c7b\u7531\u8c01\u8d1f\u8d23\u6784\u9020？<\/h3>\n

                                          \u8fd9\u662f\u865a\u7ee7\u627f\u4e2d\u6700\u5bb9\u6613\u5ffd\u7565\u7684\u89c4\u5219\u3002<\/p>\n

                                          14.1 \u666e\u901a\u7ee7\u627f\u4e2d\u7684\u57fa\u7c7b\u6784\u9020<\/h4>\n

                                          \u666e\u901a\u7ee7\u627f\u4e2d，\u76f4\u63a5\u6d3e\u751f\u7c7b\u8d1f\u8d23\u6784\u9020\u81ea\u5df1\u7684\u76f4\u63a5\u57fa\u7c7b：<\/p>\n

                                          class<\/span> Student<\/span> :<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n Student<\/span>(<\/span>const<\/span> string&<\/span> name)<\/span>
                                          \n :<\/span> Person<\/span>(<\/span>name)<\/span>
                                          \n {<\/span>
                                          \n }<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

                                          14.2 \u865a\u7ee7\u627f\u4e2d\u7684\u6700\u6d3e\u751f\u7c7b\u89c4\u5219<\/h4>\n

                                          \u865a\u57fa\u7c7b\u7531\u6700\u6d3e\u751f\u7c7b\u8d1f\u8d23\u521d\u59cb\u5316\u3002<\/p>\n

                                          class<\/span> Person<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n explicit<\/span> Person<\/span>(<\/span>const<\/span> string&<\/span> name)<\/span>
                                          \n :<\/span> _name<\/span>(<\/span>name)<\/span>
                                          \n {<\/span>
                                          \n }<\/span><\/p>\n

                                          protected<\/span>:<\/span>
                                          \n string _name;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Student<\/span> :<\/span> virtual<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n Student<\/span>(<\/span>const<\/span> string&<\/span> name,<\/span> int<\/span> studentId)<\/span>
                                          \n :<\/span> Person<\/span>(<\/span>name)<\/span>
                                          \n ,<\/span> _studentId<\/span>(<\/span>studentId)<\/span>
                                          \n {<\/span>
                                          \n }<\/span><\/p>\n

                                          private<\/span>:<\/span>
                                          \n int<\/span> _studentId;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Teacher<\/span> :<\/span> virtual<\/span> public<\/span> Person<\/span><\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n Teacher<\/span>(<\/span>const<\/span> string&<\/span> name,<\/span> int<\/span> teacherId)<\/span>
                                          \n :<\/span> Person<\/span>(<\/span>name)<\/span>
                                          \n ,<\/span> _teacherId<\/span>(<\/span>teacherId)<\/span>
                                          \n {<\/span>
                                          \n }<\/span><\/p>\n

                                          private<\/span>:<\/span>
                                          \n int<\/span> _teacherId;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u6700\u7ec8\u6d3e\u751f\u7c7b：<\/p>\n

                                          class<\/span> Assistant<\/span> :<\/span> public<\/span> Student<\/span>,<\/span> public<\/span> Teacher<\/span><\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n Assistant<\/span>(<\/span>const<\/span> string&<\/span> name)<\/span>
                                          \n :<\/span> Person<\/span>(<\/span>name)<\/span>
                                          \n ,<\/span> Student<\/span>(<\/span>"Student \u8def\u5f84"<\/span>,<\/span> 1001<\/span>)<\/span>
                                          \n ,<\/span> Teacher<\/span>(<\/span>"Teacher \u8def\u5f84"<\/span>,<\/span> 2001<\/span>)<\/span>
                                          \n {<\/span>
                                          \n }<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u521b\u5efa：<\/p>\n

                                          Assistant assistant<\/span>(<\/span>"\u6700\u7ec8\u59d3\u540d"<\/span>)<\/span>;<\/span><\/p>\n

                                          \u5171\u4eab\u7684\u865a\u57fa\u7c7b Person \u4f7f\u7528\u7684\u662f：<\/p>\n

                                          Person<\/span>(<\/span>name)<\/span><\/p>\n

                                          \u4e5f\u5c31\u662f Assistant \u521d\u59cb\u5316\u5217\u8868\u4e2d\u7684\u53c2\u6570\u3002<\/p>\n

                                          Student \u548c Teacher \u521d\u59cb\u5316\u5217\u8868\u4e2d\u5bf9 Person \u7684\u6784\u9020，\u5728\u521b\u5efa\u6700\u6d3e\u751f\u7684 Assistant \u5bf9\u8c61\u65f6\u4e0d\u4f1a\u8d1f\u8d23\u6700\u7ec8\u865a\u57fa\u7c7b\u7684\u521d\u59cb\u5316\u3002<\/p>\n

                                          14.3 \u5355\u72ec\u6784\u9020\u4e2d\u95f4\u7c7b\u65f6\u4ecd\u7531\u4e2d\u95f4\u7c7b\u8d1f\u8d23<\/h4>\n

                                          \u5982\u679c\u76f4\u63a5\u521b\u5efa：<\/p>\n

                                          Student student<\/span>(<\/span>"\u5b66\u751f\u59d3\u540d"<\/span>,<\/span> 1001<\/span>)<\/span>;<\/span><\/p>\n

                                          \u6b64\u65f6 Student \u672c\u8eab\u5c31\u662f\u6700\u6d3e\u751f\u7c7b，\u6240\u4ee5\u5b83\u8d1f\u8d23\u521d\u59cb\u5316\u865a\u57fa\u7c7b Person\u3002<\/p>\n

                                          \u201c\u6700\u6d3e\u751f\u7c7b\u201d\u4e0d\u662f\u56fa\u5b9a\u6307\u67d0\u4e2a\u7c7b\u540d，\u800c\u662f\u6307\u8fd9\u4e00\u6b21\u5b9e\u9645\u521b\u5efa\u5bf9\u8c61\u65f6\u6700\u5916\u5c42\u7684\u5b8c\u6574\u7c7b\u578b\u3002<\/p>\n

                                          \n

                                          \u5341\u4e94\u3001\u6807\u51c6\u5e93\u4e2d\u7684\u865a\u7ee7\u627f\u4f8b\u5b50<\/h3>\n

                                          C++ \u8f93\u5165\u8f93\u51fa\u6d41\u4f53\u7cfb\u662f\u865a\u7ee7\u627f\u7684\u7ecf\u5178\u4f8b\u5b50\u3002<\/p>\n

                                          \u53ef\u4ee5\u7b80\u5316\u7406\u89e3\u4e3a：<\/p>\n

                                          basic_ios
                                          \n \/ \\\\
                                          \n basic_istream basic_ostream
                                          \n \\\\ \/
                                          \n basic_iostream<\/p>\n

                                          \u8f93\u5165\u6d41\u548c\u8f93\u51fa\u6d41\u90fd\u9700\u8981\u5171\u4eab\u57fa\u7840\u7684\u6d41\u72b6\u6001\u3002<\/p>\n

                                          \u5982\u679c\u91c7\u7528\u666e\u901a\u83f1\u5f62\u7ee7\u627f，basic_iostream \u4e2d\u4f1a\u51fa\u73b0\u4e24\u4efd\u57fa\u7840\u6d41\u72b6\u6001\u3002\u4f7f\u7528\u865a\u7ee7\u627f\u540e，\u6700\u6d3e\u751f\u6d41\u5bf9\u8c61\u53ea\u4fdd\u7559\u4e00\u4efd\u5171\u4eab\u7684 basic_ios \u865a\u57fa\u7c7b\u5b50\u5bf9\u8c61\u3002<\/p>\n

                                          \u8fd9\u8bf4\u660e\u865a\u7ee7\u627f\u5e76\u975e\u5b8c\u5168\u4e0d\u80fd\u4f7f\u7528\u3002<\/p>\n

                                          \u4f46\u5b83\u9002\u5408\u771f\u6b63\u5b58\u5728\u5171\u4eab\u57fa\u7c7b\u8bed\u4e49\u7684\u573a\u666f，\u800c\u4e0d\u662f\u4e3a\u4e86\u5c55\u793a\u8bed\u6cd5\u800c\u4e3b\u52a8\u8bbe\u8ba1\u590d\u6742\u83f1\u5f62\u7ed3\u6784\u3002<\/p>\n

                                          \n

                                          \u5341\u516d\u3001\u7ee7\u627f\u548c\u7ec4\u5408\u5982\u4f55\u9009\u62e9？<\/h3>\n

                                          16.1 \u7ee7\u627f\u8868\u8fbe is-a<\/h4>\n

                                          \u516c\u6709\u7ee7\u627f\u901a\u5e38\u8868\u8fbe：<\/p>\n

                                          Derived is a Base<\/p>\n

                                          \u4f8b\u5982：<\/p>\n

                                          Student is a Person
                                          \nCircle is a Shape
                                          \nDog is an Animal<\/p>\n

                                          \u6d3e\u751f\u7c7b\u5e94\u5f53\u80fd\u591f\u5728\u9700\u8981\u57fa\u7c7b\u7684\u5730\u65b9\u81ea\u7136\u66ff\u4ee3\u57fa\u7c7b\u3002 \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

                                          16.2 \u7ec4\u5408\u8868\u8fbe has-a<\/h4>\n

                                          \u7ec4\u5408\u8868\u793a\u4e00\u4e2a\u7c7b\u62e5\u6709\u53e6\u4e00\u4e2a\u7c7b\u5bf9\u8c61：<\/p>\n

                                          class<\/span> Tire<\/span>
                                          \n{<\/span>
                                          \nprivate<\/span>:<\/span>
                                          \n string _brand =<\/span> "Michelin"<\/span>;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          class<\/span> Car<\/span>
                                          \n{<\/span>
                                          \nprivate<\/span>:<\/span>
                                          \n Tire _frontLeft;<\/span>
                                          \n Tire _frontRight;<\/span>
                                          \n Tire _rearLeft;<\/span>
                                          \n Tire _rearRight;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u5173\u7cfb\u4e3a：<\/p>\n

                                          Car has Tires
                                          \n\u6c7d\u8f66\u62e5\u6709\u8f6e\u80ce<\/p>\n

                                          \u6c7d\u8f66\u4e0d\u662f\u4e00\u79cd\u8f6e\u80ce，\u56e0\u6b64\u4e0d\u5e94\u8be5\u5199：<\/p>\n

                                          class<\/span> Car<\/span> :<\/span> public<\/span> Tire<\/span><\/span>
                                          \n{<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          16.3 \u767d\u76d2\u590d\u7528\u548c\u9ed1\u76d2\u590d\u7528<\/h4>\n

                                          \u7ee7\u627f\u6709\u65f6\u88ab\u79f0\u4e3a\u767d\u76d2\u590d\u7528\u3002<\/p>\n

                                          \u6d3e\u751f\u7c7b\u80fd\u591f\u770b\u5230\u57fa\u7c7b\u7684\u516c\u6709\u548c\u4fdd\u62a4\u6210\u5458，\u5bb9\u6613\u4f9d\u8d56\u57fa\u7c7b\u5185\u90e8\u5b9e\u73b0\u3002\u57fa\u7c7b\u4e00\u65e6\u53d1\u751f\u6539\u53d8，\u6d3e\u751f\u7c7b\u53ef\u80fd\u53d7\u5230\u8f83\u5927\u5f71\u54cd\u3002<\/p>\n

                                          \u7ec4\u5408\u901a\u5e38\u88ab\u79f0\u4e3a\u9ed1\u76d2\u590d\u7528\u3002<\/p>\n

                                          \u7ec4\u5408\u7c7b\u4e3b\u8981\u901a\u8fc7\u53e6\u4e00\u4e2a\u5bf9\u8c61\u7684\u516c\u6709\u63a5\u53e3\u4f7f\u7528\u5b83，\u4e0d\u9700\u8981\u4e86\u89e3\u5176\u5185\u90e8\u7ec6\u8282，\u8026\u5408\u5ea6\u901a\u5e38\u66f4\u4f4e\u3002<\/p>\n

                                          16.4 \u4f18\u5148\u7ec4\u5408，\u4f46\u4e0d\u662f\u62d2\u7edd\u7ee7\u627f<\/h4>\n

                                          \u201c\u4f18\u5148\u7ec4\u5408\u800c\u4e0d\u662f\u7ee7\u627f\u201d\u4e0d\u662f\u8bf4\u7ee7\u627f\u4e0d\u80fd\u4f7f\u7528\u3002<\/p>\n

                                          \u66f4\u51c6\u786e\u7684\u7406\u89e3\u662f：<\/p>\n

                                          \u53ea\u6709\u786e\u5b9e\u5b58\u5728\u7a33\u5b9a\u7684 is-a \u5173\u7cfb\u65f6，\u624d\u4f7f\u7528 public \u7ee7\u627f\u3002
                                          \n\u53ea\u662f\u4e3a\u4e86\u590d\u7528\u5b9e\u73b0\u65f6，\u4f18\u5148\u8003\u8651\u7ec4\u5408\u3002<\/p>\n

                                          \u4f8b\u5982，\u6808\u5185\u90e8\u4f7f\u7528 vector：<\/p>\n

                                          template<\/span><<\/span>class<\/span> T<\/span>><\/span>
                                          \nclass<\/span> Stack<\/span>
                                          \n{<\/span>
                                          \npublic<\/span>:<\/span>
                                          \n void<\/span> push<\/span>(<\/span>const<\/span> T&<\/span> value)<\/span>
                                          \n {<\/span>
                                          \n _data.<\/span>push_back<\/span>(<\/span>value)<\/span>;<\/span>
                                          \n }<\/span><\/p>\n

                                          void<\/span> pop<\/span>(<\/span>)<\/span>
                                          \n {<\/span>
                                          \n _data.<\/span>pop_back<\/span>(<\/span>)<\/span>;<\/span>
                                          \n }<\/span><\/p>\n

                                          T&<\/span> top<\/span>(<\/span>)<\/span>
                                          \n {<\/span>
                                          \n return<\/span> _data.<\/span>back<\/span>(<\/span>)<\/span>;<\/span>
                                          \n }<\/span><\/p>\n

                                          private<\/span>:<\/span>
                                          \n vector<<\/span>T><\/span> _data;<\/span>
                                          \n}<\/span>;<\/span><\/p>\n

                                          \u8fd9\u91cc：<\/p>\n

                                          Stack has a vector<\/p>\n

                                          \u6bd4：<\/p>\n

                                          Stack is a vector<\/p>\n

                                          \u66f4\u7b26\u5408\u5b9e\u9645\u8bed\u4e49\u3002<\/p>\n

                                          16.5 \u4e00\u4e2a\u7b80\u5355\u5224\u65ad\u6d41\u7a0b<\/h4>\n

                                          \u8bbe\u8ba1\u7c7b\u5173\u7cfb\u65f6，\u53ef\u4ee5\u4f9d\u6b21\u95ee：<\/p>\n

                                          1. \u6d3e\u751f\u7c7b\u80fd\u5426\u81ea\u7136\u66ff\u4ee3\u57fa\u7c7b？
                                          \n \u80fd：\u8003\u8651 public \u7ee7\u627f<\/p>\n

                                          2. \u5f53\u524d\u7c7b\u53ea\u662f\u9700\u8981\u53e6\u4e00\u4e2a\u7c7b\u63d0\u4f9b\u80fd\u529b？
                                          \n \u662f：\u8003\u8651\u7ec4\u5408<\/p>\n

                                          3. \u53ea\u662f\u4e3a\u4e86\u590d\u7528\u51e0\u6bb5\u5b9e\u73b0\u4ee3\u7801？
                                          \n \u662f：\u4f18\u5148\u7ec4\u5408\u6216\u666e\u901a\u6210\u5458\u51fd\u6570\u590d\u7528<\/p>\n

                                          4. \u662f\u5426\u9700\u8981\u8fd0\u884c\u65f6\u591a\u6001？
                                          \n \u662f：\u901a\u5e38\u9700\u8981\u57fa\u7c7b\u63a5\u53e3\u548c public \u7ee7\u627f<\/p>\n

                                          \n

                                          \u5341\u4e03\u3001\u5e38\u89c1\u9519\u8bef\u6574\u7406<\/h3>\n

                                          17.1 \u5728\u6784\u9020\u51fd\u6570\u4f53\u4e2d\u201c\u8c03\u7528\u201d\u57fa\u7c7b\u6784\u9020<\/h4>\n

                                          \u9519\u8bef：<\/p>\n

                                          Student<\/span>(<\/span>const<\/span> string&<\/span> name)<\/span>
                                          \n{<\/span>
                                          \n Person<\/span>(<\/span>name)<\/span>;<\/span>
                                          \n}<\/span><\/p>\n

                                          \u6b63\u786e：<\/p>\n

                                          Student<\/span>(<\/span>const<\/span> string&<\/span> name)<\/span>
                                          \n :<\/span> Person<\/span>(<\/span>name)<\/span>
                                          \n{<\/span>
                                          \n}<\/span><\/p>\n

                                          17.2 \u624b\u52a8\u5199\u62f7\u8d1d\u6784\u9020\u5374\u5fd8\u8bb0\u57fa\u7c7b\u90e8\u5206<\/h4>\n

                                          \u9519\u8bef：<\/p>\n

                                          Student<\/span>(<\/span>const<\/span> Student&<\/span> other)<\/span>
                                          \n :<\/span> _studentId<\/span>(<\/span>other.<\/span>_studentId)<\/span>
                                          \n{<\/span>
                                          \n}<\/span><\/p>\n

                                          \u6b63\u786e：<\/p>\n

                                          Student<\/span>(<\/span>const<\/span> Student&<\/span> other)<\/span>
                                          \n :<\/span> Person<\/span>(<\/span>other)<\/span>
                                          \n ,<\/span> _studentId<\/span>(<\/span>other.<\/span>_studentId)<\/span>
                                          \n{<\/span>
                                          \n}<\/span><\/p>\n

                                          17.3 \u6d3e\u751f\u7c7b\u8d4b\u503c\u65f6\u53ea\u590d\u5236\u81ea\u5df1\u7684\u6210\u5458<\/h4>\n

                                          \u9519\u8bef：<\/p>\n

                                          Student&<\/span> operator<\/span>=<\/span>(<\/span>const<\/span> Student&<\/span> other)<\/span>
                                          \n{<\/span>
                                          \n _studentId =<\/span> other.<\/span>_studentId;<\/span>
                                          \n return<\/span> *<\/span>this<\/span>;<\/span>
                                          \n}<\/span><\/p>\n

                                          \u6b63\u786e：<\/p>\n

                                          Student&<\/span> operator<\/span>=<\/span>(<\/span>const<\/span> Student&<\/span> other)<\/span>
                                          \n{<\/span>
                                          \n if<\/span> (<\/span>this<\/span> !=<\/span> &<\/span>other)<\/span>
                                          \n {<\/span>
                                          \n Person::<\/span>operator<\/span>=<\/span>(<\/span>other)<\/span>;<\/span>
                                          \n _studentId =<\/span> other.<\/span>_studentId;<\/span>
                                          \n }<\/span><\/p>\n

                                          return<\/span> *<\/span>this<\/span>;<\/span>
                                          \n}<\/span><\/p>\n

                                          17.4 \u591a\u6001\u57fa\u7c7b\u6ca1\u6709\u865a\u6790\u6784\u51fd\u6570<\/h4>\n

                                          \u5982\u679c\u4f1a\u901a\u8fc7\u57fa\u7c7b\u6307\u9488\u5220\u9664\u6d3e\u751f\u5bf9\u8c61，\u5e94\u5f53\u4f7f\u7528：<\/p>\n

                                          virtual<\/span> ~<\/span>Base<\/span>(<\/span>)<\/span> =<\/span> default<\/span>;<\/span><\/p>\n

                                          17.5 \u628a\u53cb\u5143\u7406\u89e3\u6210\u53ef\u7ee7\u627f\u6743\u9650<\/h4>\n

                                          \u57fa\u7c7b\u7684\u53cb\u5143\u4e0d\u662f\u6d3e\u751f\u7c7b\u7684\u53cb\u5143\u3002<\/p>\n

                                          \u6bcf\u4e2a\u7c7b\u90fd\u9700\u8981\u5355\u72ec\u6388\u4e88\u53cb\u5143\u6743\u9650\u3002<\/p>\n

                                          17.6 \u8ba4\u4e3a\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u6709\u4e00\u4efd static \u6210\u5458<\/h4>\n

                                          \u9759\u6001\u6210\u5458\u5c5e\u4e8e\u7c7b，\u4e0d\u5c5e\u4e8e\u5177\u4f53\u5bf9\u8c61\u3002\u7ee7\u627f\u4f53\u7cfb\u4e2d\u5f15\u7528\u7684\u662f\u540c\u4e00\u4e2a\u57fa\u7c7b\u9759\u6001\u6210\u5458\u58f0\u660e\u3002<\/p>\n

                                          17.7 \u7528\u7c7b\u57df\u89e3\u51b3\u83f1\u5f62\u7ee7\u627f\u540e\u8ba4\u4e3a\u95ee\u9898\u5168\u90e8\u6d88\u5931<\/h4>\n

                                          \u6307\u5b9a：<\/p>\n

                                          assistant.<\/span>Student::<\/span>_name<\/p>\n

                                          \u53ea\u80fd\u89e3\u51b3\u8bbf\u95ee\u8def\u5f84\u4e8c\u4e49\u6027\u3002<\/p>\n

                                          \u666e\u901a\u83f1\u5f62\u7ee7\u627f\u4e2d\u7684\u4e24\u4efd Person \u6570\u636e\u4ecd\u7136\u5b58\u5728\u3002<\/p>\n

                                          17.8 \u4f9d\u8d56\u591a\u7ee7\u627f\u5bf9\u8c61\u7684\u5177\u4f53\u5185\u5b58\u6392\u5217<\/h4>\n

                                          \u4e0d\u540c\u7f16\u8bd1\u5668\u548c ABI \u53ef\u80fd\u91c7\u7528\u4e0d\u540c\u5e03\u5c40\u3002<\/p>\n

                                          \u6b63\u786e\u505a\u6cd5\u662f\u901a\u8fc7\u8bed\u8a00\u63d0\u4f9b\u7684\u6307\u9488\u8f6c\u6362\u8bbf\u95ee\u57fa\u7c7b\u5b50\u5bf9\u8c61，\u800c\u4e0d\u662f\u624b\u5de5\u8ba1\u7b97\u504f\u79fb\u3002<\/p>\n

                                          17.9 \u4e3a\u4e86\u590d\u7528\u5b9e\u73b0\u968f\u610f\u4f7f\u7528 public \u7ee7\u627f<\/h4>\n

                                          public \u7ee7\u627f\u4f1a\u5efa\u7acb\u516c\u5f00\u7684\u7c7b\u578b\u66ff\u4ee3\u5173\u7cfb\u3002<\/p>\n

                                          \u5982\u679c\u53ea\u9700\u8981\u53e6\u4e00\u4e2a\u7c7b\u63d0\u4f9b\u7684\u529f\u80fd，\u7ec4\u5408\u901a\u5e38\u66f4\u5408\u9002\u3002<\/p>\n

                                          \n

                                          \u603b\u7ed3<\/h3>\n

                                          \u7ee7\u627f\u8fdb\u9636\u90e8\u5206\u7684\u89c4\u5219\u867d\u7136\u591a，\u4f46\u90fd\u53ef\u4ee5\u4ece\u201c\u6d3e\u751f\u7c7b\u5bf9\u8c61\u5305\u542b\u57fa\u7c7b\u5b50\u5bf9\u8c61\u201d\u8fd9\u4e00\u70b9\u51fa\u53d1\u7406\u89e3\u3002<\/p>\n

                                          \u9700\u8981\u91cd\u70b9\u638c\u63e1：<\/p>\n

                                        • \u6784\u9020\u6d3e\u751f\u7c7b\u65f6，\u5fc5\u987b\u5148\u521d\u59cb\u5316\u57fa\u7c7b\u5b50\u5bf9\u8c61<\/li>\n
                                        • \u624b\u52a8\u5b9e\u73b0\u62f7\u8d1d\u6784\u9020\u548c\u8d4b\u503c\u65f6，\u8981\u540c\u65f6\u5904\u7406\u57fa\u7c7b\u90e8\u5206<\/li>\n
                                        • \u6784\u9020\u987a\u5e8f\u662f\u57fa\u7c7b\u5230\u6d3e\u751f\u7c7b，\u6790\u6784\u987a\u5e8f\u76f8\u53cd<\/li>\n
                                        • \u901a\u8fc7\u57fa\u7c7b\u6307\u9488\u5220\u9664\u6d3e\u751f\u5bf9\u8c61\u65f6，\u57fa\u7c7b\u901a\u5e38\u9700\u8981\u865a\u6790\u6784\u51fd\u6570<\/li>\n
                                        • final \u53ef\u4ee5\u660e\u786e\u7981\u6b62\u4e00\u4e2a\u7c7b\u7ee7\u7eed\u88ab\u7ee7\u627f<\/li>\n
                                        • \u53cb\u5143\u5173\u7cfb\u4e0d\u4f1a\u7ee7\u627f，\u9759\u6001\u6210\u5458\u5728\u7ee7\u627f\u4f53\u7cfb\u4e2d\u5171\u4eab<\/li>\n
                                        • \u591a\u7ee7\u627f\u53ef\u80fd\u4ea7\u751f\u540d\u5b57\u4e8c\u4e49\u6027\u548c\u6307\u9488\u8c03\u6574<\/li>\n
                                        • \u666e\u901a\u83f1\u5f62\u7ee7\u627f\u4f1a\u4ea7\u751f\u57fa\u7c7b\u6570\u636e\u5197\u4f59<\/li>\n
                                        • \u865a\u7ee7\u627f\u8ba9\u591a\u4e2a\u8def\u5f84\u5171\u4eab\u4e00\u4e2a\u865a\u57fa\u7c7b\u5b50\u5bf9\u8c61<\/li>\n
                                        • \u865a\u57fa\u7c7b\u7531\u6700\u6d3e\u751f\u7c7b\u8d1f\u8d23\u521d\u59cb\u5316<\/li>\n
                                        • public \u7ee7\u627f\u8868\u8fbe is-a，\u7ec4\u5408\u8868\u8fbe has-a<\/li>\n
                                        • \u4ec5\u4e3a\u4e86\u590d\u7528\u5b9e\u73b0\u65f6，\u901a\u5e38\u4f18\u5148\u8003\u8651\u7ec4\u5408<\/li>\n

                                          \u7ee7\u627f\u672c\u8eab\u4e0d\u662f\u8d8a\u591a\u8d8a\u597d\u3002<\/p>\n

                                          \u4e00\u4e2a\u6e05\u6670\u3001\u7a33\u5b9a\u7684\u7c7b\u5c42\u6b21\u53ef\u4ee5\u51cf\u5c11\u91cd\u590d\u5e76\u652f\u6301\u591a\u6001；\u4e00\u4e2a\u52c9\u5f3a\u62fc\u51fa\u6765\u7684\u7ee7\u627f\u4f53\u7cfb，\u5219\u4f1a\u8ba9\u8bbf\u95ee\u6743\u9650\u3001\u5bf9\u8c61\u751f\u547d\u5468\u671f\u548c\u4f9d\u8d56\u5173\u7cfb\u8d8a\u6765\u8d8a\u590d\u6742\u3002<\/p>\n

                                          \u8bbe\u8ba1\u7ee7\u627f\u5173\u7cfb\u65f6，\u5148\u5224\u65ad\u7c7b\u578b\u8bed\u4e49，\u518d\u8003\u8651\u4ee3\u7801\u590d\u7528，\u901a\u5e38\u4f1a\u66f4\u52a0\u7a33\u59a5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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