![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250729201750-68892c6ece72c.jpg\")
<\/p>\nhello，\u6211\u662f\u4e91\u8fb9\u6709\u4e2a\u7a3b\u8349\u4eba，C++\u9886\u57df\u4e07\u7c89\u535a\u4e3b，\u4e0e\u4f60\u5206\u4eab\u4e13\u4e1a\u77e5\u8bc6^(*￣(oo)￣)^！<\/p>\n
\u300aC++\u300b\u672c\u7bc7\u6587\u7ae0\u6240\u5c5e\u4e13\u680f\u2014\u6301\u7eed\u66f4\u65b0\u4e2d\u2014\u6b22\u8fce\u8ba2\u9605！<\/p>\n
<\/p>\n
\u76ee\u5f55<\/p>\n
\u4e00\u3001\u7ee7\u627f\u7684\u6982\u5ff5\u4e0e\u5b9a\u4e49<\/p>\n
1.2 \u7ee7\u627f\u5b9a\u4e49<\/p>\n
\u3010\u5b9a\u4e49\u683c\u5f0f\u3011<\/p>\n
\u3010\u7ee7\u627f\u57fa\u7c7b\u6210\u5458\u8bbf\u95ee\u65b9\u5f0f\u7684\u53d8\u5316\u3011<\/p>\n
1.3 \u7ee7\u627f\u7c7b\u6a21\u7248<\/p>\n
\u3010\u6ce8\u610f\u573a\u666f\u3011<\/p>\n
\u4e8c\u3001\u57fa\u7c7b\u548c\u6d3e\u2f63\u7c7b\u95f4\u7684\u8f6c\u6362<\/p>\n
\u4e09\u3001\u7ee7\u627f\u4e2d\u7684\u4f5c\u7528\u57df<\/p>\n
3.1 \u9690\u85cf\u89c4\u5219<\/p>\n
3.2 \u8003\u5bdf\u7ee7\u627f\u4f5c\u7528\u57df\u76f8\u5173\u9009\u62e9\u9898<\/p>\n
\u3010A\u548cB\u7c7b\u4e2d\u7684\u4e24\u4e2afun\u6784\u6210\u4ec0\u4e48\u5173\u7cfb（）\u3011<\/p>\n
\u3010\u4e0b\u2faf\u7a0b\u5e8f\u7684\u7f16\u8bd1\u8fd0\u2f8f\u7ed3\u679c\u662f\u4ec0\u4e48（）\u3011<\/p>\n
\u56db\u3001\u6d3e\u2f63\u7c7b\u7684\u9ed8\u8ba4\u6210\u5458\u51fd\u6570<\/p>\n
4.1\u00a04\u4e2a\u5e38\u2ec5\u9ed8\u8ba4\u6210\u5458\u51fd\u6570<\/p>\n
\u3010\u6709\u5173\u4e0a\u9762\u7b2c\u56db\u70b9\u3011\u00a0<\/p>\n
4.2\u00a0\u5b9e\u73b0\u2f00\u4e2a\u4e0d\u80fd\u88ab\u7ee7\u627f\u7684\u7c7b<\/p>\n
\u4e94\u3001\u7ee7\u627f\u4e0e\u53cb\u5143<\/p>\n
\u516d\u3001\u7ee7\u627f\u4e0e\u9759\u6001\u6210\u5458<\/p>\n
\u4e03\u3001\u591a\u7ee7\u627f\u53ca\u5176\u83f1\u5f62\u7ee7\u627f\u95ee\u9898<\/p>\n
7.1\u00a0\u7ee7\u627f\u6a21\u578b<\/p>\n
7.2 \u865a\u7ee7\u627f<\/p>\n
\u00a0\u3010\u5c0f\u9898\u76ee\u3011<\/p>\n
7.3\u00a0\u591a\u7ee7\u627f\u4e2d\u6307\u9488\u504f\u79fb\u95ee\u9898？<\/p>\n
7.4\u00a0IO\u5e93\u4e2d\u7684\u83f1\u5f62\u865a\u62df\u7ee7\u627f<\/p>\n
\u516b\u3001\u7ee7\u627f\u4e0e\u7ec4\u5408<\/p>\n
\u573a\u666f1：\u7ee7\u627f\u793a\u4f8b（is-a\u5173\u7cfb）<\/p>\n
\u573a\u666f2：\u7ec4\u5408\u793a\u4f8b（has-a\u5173\u7cfb）<\/p>\n
\u573a\u666f3：\u7ee7\u627f+\u7ec4\u5408\u6df7\u5408\u4f7f\u7528<\/p>\n
\u7ee7\u627f vs \u7ec4\u5408\u7684\u9009\u62e9\u539f\u5219<\/p>\n
\u518d\u4e3e\u4e00\u4f8b<\/p>\n
\u6b63\u6587\u5f00\u59cb\u2014\u2014<\/p>\n<\/p>\n
1.1 \u7ee7\u627f\u7684\u6982\u5ff5<\/p>\n
\u7ee7\u627f(inheritance)\u673a\u5236<\/span><\/span>\u662f\u2faf\u5411\u5bf9\u8c61\u7a0b\u5e8f\u8bbe\u8ba1<\/span>\u4f7f\u4ee3\u7801\u53ef\u4ee5\u590d\u2f64<\/span>\u7684\u6700\u91cd\u8981\u7684\u2f3f\u6bb5，\u5b83\u5141\u8bb8\u6211\u4eec\u5728\u4fdd\u6301\u539f\u6709\u7c7b\u7279\u6027\u7684\u57fa\u7840\u4e0a\u8fdb\u2f8f\u6269\u5c55，\u589e\u52a0\u2f45\u6cd5(\u6210\u5458\u51fd\u6570)\u548c\u5c5e\u6027(\u6210\u5458\u53d8\u91cf)，\u8fd9\u6837\u4ea7\u2f63\u65b0\u7684\u7c7b，\u79f0<\/span>\u6d3e\u2f63\u7c7b<\/span><\/span>\u3002\u7ee7\u627f\u5448\u73b0\u4e86\u2faf\u5411\u5bf9\u8c61\u7a0b\u5e8f\u8bbe\u8ba1\u7684\u5c42\u6b21\u7ed3\u6784，\u4f53\u73b0\u4e86\u7531\u7b80\u5355\u5230\u590d\u6742\u7684\u8ba4\u77e5\u8fc7\u7a0b\u3002\u4ee5\u524d\u6211\u4eec\u63a5\u89e6\u7684\u51fd\u6570\u5c42\u6b21\u7684\u590d\u2f64，\u7ee7\u627f\u662f\u7c7b\u8bbe\u8ba1\u5c42\u6b21\u7684<\/span>\u590d\u7528<\/span>\u3002<\/span><\/p>\n \u4e0b\u2faf\u6211\u4eec\u770b\u5230\u6ca1\u6709\u7ee7\u627f\u4e4b\u524d\u6211\u4eec\u8bbe\u8ba1\u4e86\u4e24\u4e2a\u7c7bStudent\u548cTeacher，Student\u548cTeacher\u90fd\u6709\u59d3\u540d\/\u5730\u5740\/ \u7535\u8bdd\/\u5e74\u9f84\u7b49\u6210\u5458\u53d8\u91cf，\u90fd\u6709identity\u2f9d\u4efd\u8ba4\u8bc1\u7684\u6210\u5458\u51fd\u6570，\u8bbe\u8ba1\u5230\u4e24\u4e2a\u7c7b\u2fa5\u2faf\u5c31\u662f\u5197\u4f59<\/span><\/span>\u7684\u3002\u5f53\u7136\u4ed6\u4eec\u4e5f\u6709\u2f00\u4e9b\u4e0d\u540c\u7684\u6210\u5458\u53d8\u91cf\u548c\u51fd\u6570，\u2f50\u5982\u2f7c\u5e08\u72ec\u6709\u6210\u5458\u53d8\u91cf\u662f\u804c\u79f0，\u5b66\u2f63\u7684\u72ec\u6709\u6210\u5458\u53d8\u91cf\u662f\u5b66\u53f7；\u5b66\u2f63\u7684\u72ec\u6709\u6210\u5458\u51fd\u6570\u662f\u5b66\u4e60，\u2f7c\u5e08\u7684\u72ec\u6709\u6210\u5458\u51fd\u6570\u662f\u6388\u8bfe\u3002<\/p>\n class Student class Teacher protected: \u00a0\u4e0b\u9762\u6211\u4eec\u516c\u5171\u7684\u6210\u5458<\/span>\u90fd\u653e\u5230Person\u7c7b\u4e2d，Student\u548cTeacher\u90fd\u7ee7\u627fPerson，\u5c31\u53ef\u4ee5\u590d\u7528\u8fd9\u4e9b\u6210\u5458，\u5c31\u4e0d\u9700\u8981\u91cd\u590d\u5b9a\u4e49\u4e86，\u7701\u53bb\u4e86\u5f88\u591a\u9ebb\u70e6\u3002<\/p>\n class Person class Student : public Person class Teacher : public Person \u4e0b\u2faf\u6211\u4eec\u770b\u5230Person\u662f\u57fa\u7c7b<\/span>，\u4e5f\u79f0\u4f5c\u2f57\u7c7b\u3002Student\u662f\u6d3e\u2f63\u7c7b<\/span>，\u4e5f\u79f0\u4f5c\u2f26\u7c7b\u3002(\u56e0\u4e3a\u7ffb\u8bd1\u7684\u539f\u56e0，\u6240\u4ee5\u65e2\u53eb\u57fa\u7c7b\/\u6d3e\u2f63\u7c7b，\u4e5f\u53eb\u2f57\u7c7b\/\u2f26\u7c7b)<\/p>\n class Person \/\/\u5982\u679c_age\u5728\u57fa\u7c7b\u4e2d\u662fprivate\u6210\u5458，\u53ef\u4ee5\u5728\u57fa\u7c7b\u6210\u5458\u51fd\u6570\u4e2d\u8bbf\u95ee\u8be5\u6210\u5458\u53d8\u91cf，\u6d3e\u751f\u7c7b\u7531\u4e8e\u7ee7\u627f\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u8be5public\u51fd\u6570，\u5b9e\u73b0\u4e86\u95f4\u63a5\u8bbf\u95eeprivate\u6210\u5458\u53d8\u91cf class Student : public Person class Teacher : public Person int main() return 0; \u8fd9\u91cc\u9700\u8981\u6ce8\u610f，\u7ee7\u627f\u7c7b\u6a21\u7248，\u5728\u6d3e\u751f\u7c7b\u4e2d\u60f3\u8981\u4f7f\u7528\u57fa\u7c7b\u7684\u6210\u5458\u51fd\u6570\u9700\u8981\u6307\u5b9a\u7c7b\u57df，\u5426\u5219\u5c31\u4f1a\u62a5\u9519，\u663e\u793a\u627e\u4e0d\u5230\u6807\u8bc6\u7b26\u3002stack<int>\u5b9e\u4f8b\u5316\u65f6\u867d\u7136\u4e5f\u5b9e\u4f8b\u5316\u4e86vector<int>，\u4f46\u662f\u6a21\u7248\u662f\u6309\u9700\u5b9e\u4f8b\u5316<\/span>（\u7531\u7c7b\u6a21\u7248\u5b9e\u4f8b\u5316\u4e00\u4e2a\u7c7b\u65f6\u5e76\u4e0d\u4f1a\u5c06\u7c7b\u4e2d\u6240\u6709\u7684\u6210\u5458\u51fd\u6570\u90fd\u8fdb\u884c\u5b9e\u4f8b\u5316，\u800c\u662f\u7528\u54ea\u4e00\u4e2a\u6210\u5458\u51fd\u6570\u624d\u4f1a\u5b9e\u4f8b\u5316\u54ea\u4e2a\u6210\u5458\u51fd\u6570），\u4e5f\u5c31\u662fvector<int>\u867d\u7136\u5b9e\u4f8b\u5316\u4e86，\u4f46\u662fvector<int>\u91cc\u9762\u7684push_back\u5e76\u672a\u8fdb\u884c\u5b9e\u4f8b\u5316；\u6b64\u65f6\u8c03\u7528stack<int>\u91cc\u9762push，push\u91cc\u9762\u53c8\u8c03\u7528\u4e86push_back，\u4f46\u662fpush_back\u8fd8\u6ca1\u6709\u8fdb\u884c\u5b9e\u4f8b\u5316\u5c31\u8c03\u7528\u4e0d\u5230，\u6240\u4ee5\u8981\u6307\u5b9a\u7c7b\u57dfvector<int>\u53bb\u5b9e\u4f8b\u5316\u8be5\u51fd\u6570\u3002<\/p>\n namespace lrq int main() while (!st.empty()) cout << endl;<\/p>\n return 0; template<class Continer> \/\/\u6216\u8005\u76f4\u63a5\u7528auto while (it != c.end()) class Person class Student : public Person int main() double d = 1.1; string s1 = "123456"; \/\/ \u6d3e\u2f63\u7c7b\u5bf9\u8c61\u53ef\u4ee5\u8d4b\u503c\u7ed9\u57fa\u7c7b\u7684\u5bf9\u8c61\u662f\u901a\u8fc7\u8c03\u2f64\u540e\u2faf\u4f1a\u8bb2\u89e3\u7684\u57fa\u7c7b\u7684\u62f7\u2ec9\u6784\u9020\u5b8c\u6210\u7684 \/\/2.\u57fa\u7c7b\u5bf9\u8c61\u4e0d\u80fd\u8d4b\u503c\u7ed9\u6d3e\u2f63\u7c7b\u5bf9\u8c61，\u8fd9\u2fa5\u4f1a\u7f16\u8bd1\u62a5\u9519 return 0; \u4e0b\u9762\u5c31\u662f\u4e0a\u9762\u7b2c\u4e8c\u70b9\u4e2d\u9610\u8ff0\u7684\u573a\u666f，\u5f53\u57fa\u7c7b\u548c\u6d3e\u751f\u7c7b\u4e2d\u6709\u540c\u540d\u6210\u5458\u53d8\u91cf，\u90a3\u4e48\u6d3e\u751f\u7c7b\u4e2d\u7684\u6210\u5458\u51fd\u6570\u8bbf\u95ee\u7684\u540c\u540d\u53d8\u91cf\u662f\u57fa\u7c7b\u4e2d\u7684\u8fd8\u662f\u6d3e\u751f\u7c7b\u4e2d\u7684\u5462？\u7b54\u6848\u662f\u6d3e\u751f\u7c7b\u3002\u5148\u5230\u6d3e\u751f\u7c7b\u4e2d\u53bb\u627e，\u518d\u5230\u57fa\u7c7b\u4e2d\u53bb\u627e，\u518d\u5230\u5168\u5c40\u57df\u4e2d\u53bb\u5bfb\u627e\u3002<\/span><\/p>\n class Person class Student : public Person public: int main() return 0; A. \u91cd\u8f7d B. \u9690\u85cf C.\u6ca1\u5173\u7cfb<\/p>\n B\u3002\u89e3\u6790：\u91cd\u8f7d\u8981\u6c42\u5728\u540c\u4e00\u4e2a\u4f5c\u7528\u57df，\u8fd9\u91cc\u89c1\u4e0a\u9762\u7b2c\u4e09\u70b9，\u5982\u679c\u662f\u6210\u5458\u51fd\u6570\u7684\u9690\u85cf，\u53ea\u9700\u8981\u51fd\u6570\u540d\u76f8\u540c<\/span>\u5c31\u6784\u6210\u9690\u85cf\u3002<\/p>\n A. \u7f16\u8bd1\u62a5\u9519 B. \u8fd0\u2f8f\u62a5\u9519 C. \u6b63\u5e38\u8fd0\u2f8f<\/p>\n A\u3002\u89e3\u6790：\u57fa\u7c7b\u548c\u6d3e\u751f\u7c7b\u91cc\u9762\u7684\u540c\u540d\u51fd\u6570\u6784\u6210\u4e86\u9690\u85cf\u5173\u7cfb，\u6d3e\u2f63\u7c7b\u6210\u5458fun\u51fd\u6570\u5c06\u5c4f\u853d\u57fa\u7c7b\u5bf9\u540c\u540d\u6210\u5458\u7684\u76f4\u63a5\u8bbf\u95ee，\u5c31\u8c03\u4e0d\u5230\u57fa\u7c7b\u91cc\u9762\u7684fun\u51fd\u6570，\u6ca1\u6709\u4f20\u53c2，\u5c31\u662f\u7f16\u8bd1\u62a5\u9519（\u8bed\u6cd5\u9519\u8bef）\u3002b.A::fun();\u8fd9\u91cc\u6307\u5b9a\u7c7b\u57df\u5c31\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u4e86<\/p>\n class A int main() return 0; 6\u4e2a\u9ed8\u8ba4\u6210\u5458\u51fd\u6570，\u9ed8\u8ba4\u7684\u610f\u601d\u5c31\u662f\u6307\u6211\u4eec\u4e0d\u5199，\u7f16\u8bd1\u5668\u4f1a\u53d8\u6211\u4eec\u2f83\u52a8\u2f63\u6210\u2f00\u4e2a，\u90a3\u4e48\u5728\u6d3e\u2f63\u7c7b\u4e2d，\u8fd9\u2f0f\u4e2a\u6210\u5458\u51fd\u6570\u662f\u5982\u4f55\u2f63\u6210\u7684\u5462？<\/p>\n #include<iostream> using namespace std;<\/p>\n class Person Person(const Person& p) Person& operator=(const Person& p) ~Person() protected: class Student : public Person Student(const Student& s) Student& operator=(const Student& s) ~Student() protected: };<\/p>\n \/\/\u8981\u70b9 \/\/\u7279\u70b9：\u628a\u5b50\u7c7b\u4e2d\u7ee7\u627f\u4e0b\u6765\u7684\u7236\u7c7b\u6210\u5458\u5f53\u505a\u4e00\u4e2a\u6574\u4f53\u5bf9\u8c61<\/p>\n \/\/\u6784\u9020 \/\/\u62f7\u8d1d\u6784\u9020，\u9ed8\u8ba4\u751f\u6210\u7684\u5c31\u591f\u7528\u4e0d\u7528\u81ea\u5df1\u5199 \/\/\u8d4b\u503c\u91cd\u8f7d，\u7c7b\u4f3c\u4e8e\u62f7\u8d1d\u6784\u9020，\u9ed8\u8ba4\u751f\u6210\u7684\u884c\u4e3a\u5c31OK<\/p>\n \/\/\u6790\u6784 int main() Student s3 = s2;<\/p>\n return 0; \u2f45\u6cd51：\u57fa\u7c7b\u7684\u6784\u9020\u51fd\u6570\u79c1\u6709，\u6d3e\u2f63\u7c7b\u7684\u6784\u6210\u5fc5\u987b\u8c03\u2f64\u57fa\u7c7b\u7684\u6784\u9020\u51fd\u6570，\u4f46\u662f\u57fa\u7c7b\u7684\u6784\u6210\u51fd\u6570\u79c1\u6709\u5316\u4ee5\u540e，\u6d3e\u2f63\u7c7b\u770b\u4e0d\u2ec5\u5c31\u4e0d\u80fd\u8c03\u2f64\u4e86，\u90a3\u4e48\u6d3e\u2f63\u7c7b\u5c31\u2f46\u6cd5\u5b9e\u4f8b\u5316\u51fa\u5bf9\u8c61\u3002 <\/span><\/p>\n class Base class Derive :public Base \u2f45\u6cd52：C++11\u65b0\u589e\u4e86\u2f00\u4e2afinal\u5173\u952e\u5b57，final\u4fee\u6539\u57fa\u7c7b，\u6d3e\u2f63\u7c7b\u5c31\u4e0d\u80fd\u7ee7\u627f\u4e86\u3002<\/span><\/p>\n class Base final Base() protected: };<\/p>\n class Derive :public Base int main() \u53cb\u5143\u5173\u7cfb\u4e0d\u80fd\u7ee7\u627f，\u4e5f\u5c31\u662f\u8bf4\u57fa\u7c7b\u53cb\u5143\u4e0d\u80fd\u8bbf\u95ee\u6d3e\u2f63\u7c7b\u79c1\u6709\u548c\u4fdd\u62a4\u6210\u5458\u3002<\/p>\n class Student;<\/p>\n class Person class Student : public Person void Display(const Person& p, const Student& s) \u57fa\u7c7b\u5b9a\u4e49\u4e86static\u9759\u6001\u6210\u5458，\u5219\u6574\u4e2a\u7ee7\u627f\u4f53\u7cfb\u2fa5\u2faf\u53ea\u6709\u2f00\u4e2a\u8fd9\u6837\u7684\u6210\u5458\u3002\u2f46\u8bba\u6d3e\u2f63\u51fa\u591a\u5c11\u4e2a\u6d3e\u2f63\u7c7b，\u90fd \u53ea\u6709\u2f00\u4e2astatic\u6210\u5458\u5b9e\u4f8b\u3002<\/p>\n class Person \/\/ \u8fd9\u2fa5\u7684\u8fd0\u2f8f\u7ed3\u679c\u53ef\u4ee5\u770b\u5230\u9759\u6001\u6210\u5458_count\u7684\u5730\u5740\u662f\u2f00\u6837\u7684 \/\/ \u516c\u6709\u7684\u60c5\u51b5\u4e0b，\u2f57\u6d3e\u2f63\u7c7b\u6307\u5b9a\u7c7b\u57df\u90fd\u53ef\u4ee5\u8bbf\u95ee\u9759\u6001\u6210\u5458 return 0; \u5355\u7ee7\u627f：\u2f00\u4e2a\u6d3e\u2f63\u7c7b\u53ea\u6709\u2f00\u4e2a\u76f4\u63a5\u57fa\u7c7b<\/span>\u65f6\u79f0\u8fd9\u4e2a\u7ee7\u627f\u5173\u7cfb\u4e3a\u5355\u7ee7\u627f<\/p>\n \u591a\u7ee7\u627f：\u2f00\u4e2a\u6d3e\u2f63\u7c7b\u6709\u4e24\u4e2a\u6216\u4ee5\u4e0a\u76f4\u63a5\u57fa\u7c7b\u65f6<\/span>\u79f0\u8fd9\u4e2a\u7ee7\u627f\u5173\u7cfb\u4e3a\u591a\u7ee7\u627f，\u591a\u7ee7\u627f\u5bf9\u8c61\u5728\u5185\u5b58\u4e2d\u7684\u6a21\u578b\u662f，\u5148\u7ee7\u627f\u7684\u57fa\u7c7b\u5728\u524d\u2faf，\u540e\u2faf\u7ee7\u627f\u7684\u57fa\u7c7b\u5728\u540e\u2faf，\u6d3e\u2f63\u7c7b\u6210\u5458\u5728\u653e\u5230\u6700\u540e\u2faf\u3002<\/p>\n \u83f1\u5f62\u7ee7\u627f：\u83f1\u5f62\u7ee7\u627f\u662f\u591a\u7ee7\u627f\u7684\u2f00\u79cd\u7279\u6b8a\u60c5\u51b5\u3002\u83f1\u5f62\u7ee7\u627f\u7684\u95ee\u9898，\u4ece\u4e0b\u2faf\u7684\u5bf9\u8c61\u6210\u5458\u6a21\u578b\u6784\u9020，\u53ef\u4ee5\u770b\u51fa\u83f1\u5f62\u7ee7\u627f\u6709\u6570\u636e\u5197\u4f59（\u5b58\u5728\u4e24\u4efd，\u6d6a\u8d39\u7a7a\u95f4）\u548c\u4e8c\u4e49\u6027（\u8bbf\u95ee\u7684\u65f6\u5019\u4e0d\u77e5\u9053\u8bbf\u95ee\u7684\u662f\u8c01）<\/span>\u7684\u95ee\u9898，\u5728Assistant\u7684\u5bf9\u8c61\u4e2dPerson\u6210\u5458\u4f1a\u6709\u4e24\u4efd\u3002\u2f40\u6301\u591a\u7ee7\u627f\u5c31 \u2f00\u5b9a\u4f1a\u6709\u83f1\u5f62\u7ee7\u627f，\u50cfJava\u5c31\u76f4\u63a5\u4e0d\u2f40\u6301\u591a\u7ee7\u627f，\u89c4\u907f\u6389\u4e86\u8fd9\u2fa5\u7684\u95ee\u9898，\u6240\u4ee5\u5b9e\u8df5\u4e2d\u6211\u4eec\u4e5f\u662f\u4e0d\u5efa\u8bae\u8bbe\u8ba1\u51fa\u83f1\u5f62\u7ee7\u627f\u8fd9\u6837\u7684\u6a21\u578b\u7684\u3002<\/p>\n class Person class Student : public Person class Teacher : public Person class Assistant : public Student, public Teacher int main() \/\/ \u9700\u8981\u663e\u2f70\u6307\u5b9a\u8bbf\u95ee\u54ea\u4e2a\u57fa\u7c7b\u7684\u6210\u5458\u53ef\u4ee5\u89e3\u51b3\u2f06\u4e49\u6027\u95ee\u9898，\u4f46\u662f\u6570\u636e\u5197\u4f59\u95ee\u9898\u2f46\u6cd5\u89e3\u51b3 \u5f88\u591a\u2f08\u8bf4C++\u8bed\u6cd5\u590d\u6742，\u5176\u5b9e\u591a\u7ee7\u627f\u5c31\u662f\u2f00\u4e2a\u4f53\u73b0\u3002\u6709\u4e86\u591a\u7ee7\u627f，\u5c31\u5b58\u5728\u83f1\u5f62\u7ee7\u627f，\u6709\u4e86\u83f1\u5f62\u7ee7\u627f\u5c31\u6709\u83f1\u5f62\u865a\u62df\u7ee7\u627f，\u5e95\u5c42\u5b9e\u73b0\u5c31\u5f88\u590d\u6742，\u6027\u80fd\u4e5f\u4f1a\u6709\u2f00\u4e9b\u635f\u5931，\u6240\u4ee5\u6700\u597d\u4e0d\u8981\u8bbe\u8ba1\u51fa\u83f1\u5f62\u7ee7\u627f\u3002\u591a\u7ee7\u627f\u53ef\u4ee5\u8ba4\u4e3a\u662fC++\u7684\u7f3a\u9677\u4e4b\u2f00，\u540e\u6765\u7684\u2f00\u4e9b\u7f16\u7a0b\u8bed\u2f94\u90fd\u6ca1\u6709\u591a\u7ee7\u627f，\u5982Java\u3002<\/p>\n class Person \/\/ \u4f7f\u2f64\u865a\u7ee7\u627fPerson\u7c7b \/\/ \u4f7f\u2f64\u865a\u7ee7\u627fPerson\u7c7b \/\/ \u6559\u6388\u52a9\u7406 int main() \u6211\u4eec\u53ef\u4ee5\u8bbe\u8ba1\u51fa\u591a\u7ee7\u627f，\u4f46\u662f\u4e0d\u5efa\u8bae\u8bbe\u8ba1\u51fa\u83f1\u5f62\u7ee7\u627f，\u56e0\u4e3a\u83f1\u5f62\u865a\u62df\u7ee7\u627f\u4ee5\u540e，\u2f46\u8bba\u662f\u4f7f\u2f64\u8fd8\u662f\u5e95\u5c42 \u90fd\u4f1a\u590d\u6742\u5f88\u591a\u3002\u5f53\u7136\u6709\u591a\u7ee7\u627f\u8bed\u6cd5\u2f40\u6301，\u5c31\u2f00\u5b9a\u5b58\u5728\u4f1a\u8bbe\u8ba1\u51fa\u83f1\u5f62\u7ee7\u627f，\u50cfJava\u662f\u4e0d\u2f40\u6301\u591a\u7ee7\u627f\u7684， \u5c31\u907f\u5f00\u4e86\u83f1\u5f62\u7ee7\u627f\u3002<\/p>\n class Person class Student : virtual public Person class Teacher : virtual public Person \/\/ \u4e0d\u8981\u53bb\u73a9\u83f1\u5f62\u7ee7\u627f int main() \u00a0\u57fa\u7c7bPerson\u672c\u8eab，Student\u91cc\u9762\u7684\u57fa\u7c7bPerson，Teacher\u91cc\u9762\u7684\u57fa\u7c7bPerson，\u4e09\u4e2a\u90fd\u521d\u59cb\u5316\u5417？\u4e0d\u662f，\u53ea\u521d\u59cb\u5316\u539f\u672c\u7684Person\u2014\u201c\u738b\u4e94\u201d<\/p>\n \u4e0b\u9762\u8bf4\u6cd5\u6b63\u786e\u7684\u662f（）<\/p>\n A：p1 == p2 == p3 B：p1 < p2 < p3 C：p1 == p3 != p2 D：p1 != p2 != p3<\/p>\n class Base1 class Base2 class Derive : public Base1, public Base2 int main() return 0; \u3010\u89e3\u6790\u3011\u00a0<\/p>\n template<class CharT, class Traits = std::char_traits<CharT>> };<\/p>\n template<class CharT, class Traits = std::char_traits<CharT>> }; <\/p>\n \/\/ \u57fa\u7c7b：\u52a8\u7269 \/\/ \u6d3e\u751f\u7c7b：\u72d7（\u7ee7\u627fAnimal） \/\/ \u4f7f\u7528 \u8bbe\u8ba1\u610f\u56fe：<\/p>\n \/\/ \u7ec4\u4ef6\u7c7b：\u5f15\u64ce \/\/ \u7ec4\u4ef6\u7c7b：\u8f66\u8f6e \/\/ \u7ec4\u5408\u7c7b：\u6c7d\u8f66 \/\/ \u4f7f\u7528 \u8bbe\u8ba1\u610f\u56fe：<\/p>\n \/\/ \u57fa\u7c7b：\u6e38\u620f\u89d2\u8272 \/\/ \u6b66\u5668\u7ec4\u4ef6 class Sword : public Weapon { class Bow : public Weapon { \/\/ \u6d3e\u751f\u7c7b：\u6218\u58eb（\u7ee7\u627fCharacter，\u7ec4\u5408Weapon） void attack() const { void changeWeapon(Weapon* newWeapon) { ~Warrior() { delete weapon; } \/\/ \u4f7f\u7528 \u8bbe\u8ba1\u610f\u56fe：<\/p>\n \u5178\u578b\u5e94\u7528\u573a\u666f：<\/p>\n \/\/ Tire(\u8f6e\u80ce)\u548cCar(\u2ecb)\u66f4\u7b26\u5408has-a\u7684\u5173\u7cfb public: \u5b8c\u2014\u2014<\/p>\n \u661f\u5149\u4e0b\u7684\u68a6\u60f3_\u6a58\u732b\u70e7\u9cb7\u9c7c<\/p>\n \u81f3\u6b64\u7ed3\u675f\u2014\u2014<\/p>\n \u6211\u662f\u4e91\u8fb9\u6709\u4e2a\u7a3b\u8349\u4eba<\/span><\/p>\n \u671f\u5f85\u4e0e\u4f60\u7684\u4e0b\u4e00\u6b21\u76f8\u9047……<\/p><\/p>\n","protected":false},"excerpt":{"rendered":" \u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.3w\u6b21\uff0c\u70b9\u8d5e122\u6b21\uff0c\u6536\u85cf111\u6b21\u3002\u6458\u8981\uff1a\u672c\u6587\u8be6\u7ec6\u8bb2\u89e3\u4e86C++\u7ee7\u627f\u673a\u5236\u53ca\u5176\u76f8\u5173\u7279\u6027\uff0c\u5305\u62ec\u7ee7\u627f\u6982\u5ff5\u3001\u5b9a\u4e49\u683c\u5f0f\u3001\u8bbf\u95ee\u65b9\u5f0f\u53d8\u5316\u3001\u57fa\u7c7b\u6d3e\u751f\u7c7b\u8f6c\u6362\u3001\u4f5c\u7528\u57df\u89c4\u5219\u3001\u6d3e\u751f\u7c7b\u6210\u5458\u51fd\u6570\u5b9e\u73b0\u7b49\u6838\u5fc3\u5185\u5bb9\u3002\u91cd\u70b9\u5206\u6790\u4e86\u591a\u7ee7\u627f\u5e26\u6765\u7684\u83f1\u5f62\u7ee7\u627f\u95ee\u9898\u53ca\u865a\u7ee7\u627f\u89e3\u51b3\u65b9\u6848\uff0c\u5e76\u901a\u8fc7\u4ee3\u7801\u793a\u4f8b\u5bf9\u6bd4\u4e86\u7ee7\u627f\u4e0e\u7ec4\u5408\u7684\u8bbe\u8ba1\u5dee\u5f02\u3002\u6587\u7ae0\u8fd8\u63a2\u8ba8\u4e86\u7ee7\u627f\u4e0e\u53cb\u5143\u3001\u9759\u6001\u6210\u5458\u7684\u5173\u7cfb\uff0c\u4ee5\u53ca\u5982\u4f55\u5b9e\u73b0\u4e0d\u53ef\u7ee7\u627f\u7684\u7c7b\u7b49\u5b9e\u7528\u6280\u5de7\u3002\u6700\u540e\u603b\u7ed3\u4e86\u7ee7\u627f\u4e0e\u7ec4\u5408\u7684\u9009\u62e9\u539f\u5219\uff0c\u5f3a\u8c03\u5e94\u6839\u636e\u5b9e\u9645\u9700\u6c42\u5408\u7406\u4f7f\u7528\u8fd9\u4e24\u79cd\u4ee3\u7801\u590d\u7528\u65b9\u5f0f\u3002\u5168\u6587\u5185\u5bb9\u7cfb\u7edf\u5168\u9762\uff0c\u9002\u5408C++\u5f00\u53d1\u8005\u6df1\u5165\u5b66\u4e60\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u7684\u7ee7\u627f\u673a\u5236\u3002<\/p>\n","protected":false},"author":2,"featured_media":46823,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,4464,4463,4465,4467,4466,4468],"topic":[],"class_list":["post-46837","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-c","tag-4464","tag-4463","tag-4465","tag-4467","tag-4466","tag-4468"],"yoast_head":"\n
\n{
\npublic:
\n\/\/ \u8fdb\u2f0a\u6821\u56ed\/\u56fe\u4e66\u9986\/\u5b9e\u9a8c\u5ba4\u5237\u2f06\u7ef4\u7801\u7b49\u2f9d\u4efd\u8ba4\u8bc1
\nvoid identity()
\n{
\n\/\/ …
\n}
\n\/\/ \u5b66\u4e60
\nvoid study()
\n{
\n\/\/ …
\n}
\nprotected:
\nstring _name = "peter"; \/\/ \u59d3\u540d
\nstring _address; \/\/ \u5730\u5740
\nstring _tel; \/\/ \u7535\u8bdd
\nint _age = 18; \/\/ \u5e74\u9f84
\nint _stuid;
\n};<\/p>\n
\n{
\npublic:
\n\/\/ \u8fdb\u2f0a\u6821\u56ed\/\u56fe\u4e66\u9986\/\u5b9e\u9a8c\u5ba4\u5237\u2f06\u7ef4\u7801\u7b49\u2f9d\u4efd\u8ba4\u8bc1
\nvoid identity()
\n{
\n\/\/ …
\n}
\n\/\/ \u6388\u8bfe
\nvoid teaching()
\n{
\n\/\/…
\n}<\/p>\n
\nstring _name = "\u5f20\u4e09"; \/\/ \u59d3\u540d
\nint _age = 18; \/\/ \u5e74\u9f84
\nstring _address; \/\/ \u5730\u5740
\nstring _tel; \/\/ \u7535\u8bdd
\nstring _title; \/\/ \u804c\u79f0
\n};<\/p>\n
\n{
\npublic:
\n\/\/ \u8fdb\u2f0a\u6821\u56ed\/\u56fe\u4e66\u9986\/\u5b9e\u9a8c\u5ba4\u5237\u2f06\u7ef4\u7801\u7b49\u2f9d\u4efd\u8ba4\u8bc1
\nvoid identity()
\n{
\ncout << "void identity()" << _name << endl;
\n}
\nprotected:
\nstring _name = "\u5f20\u4e09"; \/\/\u59d3\u540d
\nstring _address;\/\/\u5730\u5740
\nstring _tel;\/\/\u7535\u8bdd
\nint _age = 18;\/\/\u5e74\u9f84
\n};<\/p>\n
\n{
\npublic:
\n\/\/ \u5b66\u4e60
\nvoid study()
\n{
\n\/\/ …
\n}
\nprotected:
\nint _stuid; \/\/ \u5b66\u53f7
\n};<\/p>\n
\n{
\npublic:
\n\/\/ \u6388\u8bfe
\nvoid teaching()
\n{
\n\/\/…
\n}
\nprotected:
\nstring title; \/\/ \u804c\u79f0
\n}; <\/p>\n1.2 \u7ee7\u627f\u5b9a\u4e49<\/h5>\n
\u3010\u5b9a\u4e49\u683c\u5f0f\u3011<\/h6>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250729201751-68892c6f27314.png\")
<\/p>\n\u3010\u7ee7\u627f\u57fa\u7c7b\u6210\u5458\u8bbf\u95ee\u65b9\u5f0f\u7684\u53d8\u5316\u3011<\/h6>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250729201752-68892c70378dc.png\")
<\/p>\n<\/p>\n
\n{
\npublic:
\n\/\/ \u8fdb\u2f0a\u6821\u56ed\/\u56fe\u4e66\u9986\/\u5b9e\u9a8c\u5ba4\u5237\u2f06\u7ef4\u7801\u7b49\u2f9d\u4efd\u8ba4\u8bc1
\nvoid identity()
\n{
\ncout << "void identity()" << _name << endl;<\/p>\n
\ncout << _age << endl;
\n}
\nprotected:
\nstring _name = "\u5f20\u4e09"; \/\/\u59d3\u540d
\nstring _address;\/\/\u5730\u5740
\nstring _tel;\/\/\u7535\u8bdd
\nint _age = 18;\/\/\u5e74\u9f84
\n};<\/p>\n
\n{
\npublic:
\n\/\/ \u5b66\u4e60
\nvoid study()
\n{
\n\/\/ …
\n}
\n\/\/protected\u53ef\u4ee5\u8bbf\u95ee
\n\/\/void func()
\n\/\/{
\n\/\/_age++;
\n\/\/}
\nprotected:
\nint _stuid; \/\/ \u5b66\u53f7
\n};<\/p>\n
\n{
\npublic:
\n\/\/ \u6388\u8bfe
\nvoid teaching()
\n{
\n\/\/…
\n}
\nprotected:
\nstring title; \/\/ \u804c\u79f0
\n};<\/p>\n
\n{
\nStudent s;
\ns.identity();<\/p>\n
\n} <\/p>\n1.3 \u7ee7\u627f\u7c7b\u6a21\u7248<\/h5>\n
\n{
\ntemplate<class T>
\nclass stack :public vector<T>
\n{
\npublic:
\nvoid push(const T& x)
\n{
\n\/\/\u8fd9\u91cc\u8981\u6307\u5b9a\u7c7b\u57df
\n\/\/\u57fa\u7c7b\u662f\u7c7b\u6a21\u7248\u65f6，\u9700\u8981\u6307\u5b9a\u4e00\u4e0b\u7c7b\u57df
\n\/\/\u5426\u5219\u7f16\u8bd1\u62a5\u9519:error C3861: \u201cpush_back\u201d: \u627e\u4e0d\u5230\u6807\u8bc6\u7b26
\n\/\/\u56e0\u4e3astack<int>\u5b9e\u4f8b\u5316\u65f6，\u4e5f\u5b9e\u4f8b\u5316\u4e86vector<int>
\n\/\/\u4f46\u662f\u6a21\u7248\u662f\u6309\u9700\u5b9e\u4f8b\u5316，push_back\u7b49\u6210\u5458\u51fd\u6570\u672a\u5b9e\u4f8b\u5316
\nvector<T>::push_back(x);
\n\/\/push_back(x);
\n}
\nvoid pop()
\n{
\nvector<int>::pop_back();
\n}
\nconst T& top()
\n{
\nreturn vector<int>::back();
\n}
\nbool empty()
\n{
\nreturn vector<int>::empty();
\n}
\n};
\n}<\/p>\n
\n{
\nlrq::stack<int> st;
\nst.push(1);
\nst.push(2);
\nst.push(3);
\nst.push(4);<\/p>\n
\n{
\ncout << st.top() << " ";
\nst.pop();
\n}<\/p>\n
\n}<\/p>\n\u3010\u6ce8\u610f\u573a\u666f\u3011<\/h6>\n
\nvoid Print(const Continer& c)
\n{
\n\/\/const_iterator\u53ef\u80fd\u662f\u9759\u6001\u6210\u5458\u53d8\u91cf，\u4e5f\u53ef\u80fd\u662f\u5185\u5d4c\u7c7b\u578b（\u5185\u90e8\u7c7b，typedef）
\n\/\/\u867d\u7136\u6307\u5b9a\u4e86\u7c7b\u57dfContiner，\u4f46\u662fContiner\u53ea\u662f\u4e2a\u6a21\u7248，\u5e76\u6ca1\u6709\u8fdb\u884c\u5b9e\u4f8b\u5316，\u6a21\u7248\u5185\u90e8\u4e5f\u662f\u65e0\u6cd5\u786e\u5b9a\u7684，\u662f\u4e0d\u80fd\u53bb\u90a3\u91cc\u627e\u4e1c\u897f\u7684（\u53ea\u6709\u5b9e\u4f8b\u5316\u624d\u53ef\u4ee5）
\n\/\/\u6dfb\u52a0typename\/class\u610f\u5728\u544a\u8bc9\u7f16\u8bd1\u5668Continer::const_iterator\u662f\u4e00\u4e2a\u7c7b\u578b
\ntypename Continer::const_iterator it = c.begin();<\/p>\n
\n\/\/auto const_iterator it = c.begin();<\/p>\n
\n{
\ncout << *it << " ";
\n}
\ncout << endl;
\n} <\/p>\n
\n\u4e8c\u3001\u57fa\u7c7b\u548c\u6d3e\u2f63\u7c7b\u95f4\u7684\u8f6c\u6362<\/h4>\n
\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250729201753-68892c71c025c.png\")
<\/p>\n![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250729201758-68892c76505eb.png\")
<\/p>\n
\n{
\nprotected:
\nstring _name;
\nstring _sex;
\npublic:
\nint _age = 18;
\n};<\/p>\n
\n{
\npublic:
\nint _No;
\n};<\/p>\n
\n{
\nStudent sobj;
\n\/\/\u8d4b\u503c\u517c\u5bb9\u8f6c\u6362
\n\/\/1.\u6d3e\u751f\u7c7b\u5bf9\u8c61\u53ef\u4ee5\u8d4b\u503c\u7ed9\u57fa\u7c7b\u7684\u6307\u9488\u6216\u5f15\u7528
\nPerson* pp = &sobj;
\nPerson& rp = sobj;
\nrp._age++;<\/p>\n
\nconst int& i = d;<\/p>\n
\nconst string& s2 = "123456";<\/p>\n
\nPerson pobj = sobj;<\/p>\n
\nsobj = pobj;<\/p>\n
\n} <\/p>\n
\n\u4e09\u3001\u7ee7\u627f\u4e2d\u7684\u4f5c\u7528\u57df<\/h4>\n
3.1 \u9690\u85cf\u89c4\u5219<\/h5>\n
\n{
\nprotected:
\nstring _name; \/\/\u59d3\u540d
\nint _num = 456; \/\/\u8eab\u4efd\u8bc1\u53f7
\n};<\/p>\n
\n{
\nprotected:
\nint _num = 123; \/\/\u5b66\u53f7<\/p>\n
\nvoid Print()
\n{
\ncout << _num << endl;\/\/\u8fd9\u91cc\u8bbf\u95ee\u7684\u662f\u54ea\u4e2a_num?\u6d3e\u751f\u7c7b\u4e2d\u7684
\n \/\/\u5728\u6d3e\u2f63\u7c7b\u6210\u5458\u51fd\u6570\u4e2d，\u53ef\u4ee5\u4f7f\u2f64 \u57fa\u7c7b::\u57fa\u7c7b\u6210\u5458 \u663e\u2f70\u8bbf\u95ee
\n cout << Person::_num << endl;\/\/\u8fd9\u6837\u5c31\u53ef\u4ee5\u8bbf\u95ee\u5230\u57fa\u7c7b\u7684_num
\n}
\n};<\/p>\n
\n{
\nStudent s;
\ns.Print();<\/p>\n
\n} <\/p>\n3.2 \u8003\u5bdf\u7ee7\u627f\u4f5c\u7528\u57df\u76f8\u5173\u9009\u62e9\u9898<\/h5>\n
\u3010A\u548cB\u7c7b\u4e2d\u7684\u4e24\u4e2afun\u6784\u6210\u4ec0\u4e48\u5173\u7cfb（）\u3011<\/h6>\n
\u3010\u4e0b\u2faf\u7a0b\u5e8f\u7684\u7f16\u8bd1\u8fd0\u2f8f\u7ed3\u679c\u662f\u4ec0\u4e48（）\u3011<\/h6>\n
\n{
\npublic:
\nvoid fun()
\n{
\ncout << "func()" << endl;
\n}
\n};
\nclass B : public A
\n{
\npublic:
\nvoid fun(int i)
\n{
\ncout << "func(int i)" << i << endl;
\n}
\n};<\/p>\n
\n{
\nB b;
\nb.fun(10);
\nb.fun();<\/p>\n
\n}; <\/p>\n
\n\u56db\u3001\u6d3e\u2f63\u7c7b\u7684\u9ed8\u8ba4\u6210\u5458\u51fd\u6570<\/h4>\n
4.1\u00a04\u4e2a\u5e38\u2ec5\u9ed8\u8ba4\u6210\u5458\u51fd\u6570<\/h5>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250729201801-68892c7971151.png\")
<\/p>\n\u3010\u6709\u5173\u4e0a\u9762\u7b2c\u56db\u70b9\u3011\u00a0<\/h6>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250729201802-68892c7a727c5.png\")
<\/p>\n
\n#include<string><\/p>\n
\n{
\npublic:
\nPerson(const char* name)
\n:_name(name)
\n{
\ncout << "Person()" << endl;
\n}<\/p>\n
\n:_name(p._name)
\n{
\ncout << "Person(const Person& p)" << endl;
\n}<\/p>\n
\n{
\ncout << "Person& operator=(const Person& p)" << endl;
\nif (this != &p)
\n_name = p._name;
\nreturn *this;
\n}<\/p>\n
\n{
\ncout << "~Person()" << endl;
\n}<\/p>\n
\nstring _name; \/\/\u59d3\u540d
\n};<\/p>\n
\n{
\npublic:
\nStudent(int num,string address,const char* name)\/\/\u4e0b\u9762\u662f\u6309\u58f0\u660e\u7684\u987a\u5e8f\u8fdb\u884c\u521d\u59cb\u5316\u7684，\u6700\u5148\u521d\u59cb\u5316\u7684\u5c31\u662fPerson，\u518d\u662f\u6309\u58f0\u660e\u7684\u987a\u5e8f
\n:_num(num)
\n,_address(address)
\n,Person(name)\/\/\u8fd9\u91cc\u5c06\u7236\u7c7b\u5f53\u505a\u4e00\u4e2a\u6574\u4f53
\n{
\ncout << "Student()" << endl;
\n}<\/p>\n
\n\/\/\u6b64\u5904\u8c03\u7528\u7684\u662f\u7236\u7c7b\u7684\u62f7\u8d1d\u6784\u9020，\u4f20\u7684\u662f\u4e00\u6574\u4e2a\u5b50\u7c7b，\u5176\u5b9e\u6211\u4eec\u5e94\u8be5\u50cf\u4e0a\u9762\u90a3\u6837\u4f20\u5c5e\u4e8e\u7236\u7c7b\u7684\u90a3\u4e00\u90e8\u5206，\u4f46\u662f\u8fd9\u91cc\u5e94\u7528\u4e86\u6211\u4eec\u524d\u9762\u5b66\u7684\u5207\u7247
\n\/\/\u5c06\u6d3e\u751f\u7c7b\u5bf9\u8c61\u8d4b\u503c\u7ed9\u57fa\u7c7b\u7684\u5f15\u7528，\u81ea\u52a8\u5207\u5c5e\u4e8e\u57fa\u7c7b\u7684\u90a3\u4e00\u90e8\u5206
\n:Person(s)
\n,_num(s._num)
\n,_address(s._address)
\n{
\ncout << "Student(const Student& s)" << endl;
\n}<\/p>\n
\n{
\ncout << "Student& operator=(const Student& s)" << endl;
\nif (this != &s)
\n{
\n_num = s._num;
\n_address = s._address;
\nPerson::operator=(s);\/\/\u8fd9\u91cc\u548c\u57fa\u7c7b\u4e2d\u6210\u5458\u51fd\u6570\u540c\u540d，\u6784\u6210\u9690\u85cf\u5173\u7cfb，\u9700\u8981\u663e\u793a\u58f0\u660e\u7c7b\u57df
\n}
\nreturn *this;
\n}<\/p>\n
\n{
\ncout << "~Student()" << endl;
\n\/\/\u8fd9\u91cc\u51fa\u73b0\u4e86\u62a5\u9519，\u56e0\u4e3a\u5176\u4ed6\u7684\u4e00\u4e9b\u539f\u56e0，\u8fd9\u91cc\u7684\u6790\u6784\u51fd\u6570\u4f1a\u88ab\u7f16\u8bd1\u6210destructor()，\u5c31\u548c\u57fa\u7c7b\u7684destructor()\u6784\u6210\u4e86\u9690\u85cf\u5173\u7cfb
\n\/\/~Person();
\n}<\/p>\n
\nint _num;\/\/\u5b66\u53f7
\nstring _address;\/\/\u5730\u5740<\/p>\n
\n\/\/\u6211\u4eec\u4e0d\u5199，\u7f16\u8bd1\u5668\u9ed8\u8ba4\u751f\u6210\u7684\u884c\u4e3a\u662f\u4ec0\u4e48？
\n\/\/\u9ed8\u8ba4\u751f\u6210\u4e0d\u7b26\u5408\u6211\u4eec\u7684\u8981\u6c42，\u81ea\u5df1\u5199，\u5f97\u600e\u4e48\u5199？<\/p>\n
\n\/\/\u9ed8\u8ba4：\u5b50\u7c7b\u6210\u5458 \u5185\u7f6e\u7c7b\u578b(\u6709\u7f3a\u7701\u503c\u5c31\u7528，\u6ca1\u6709\u5c31\u4e0d\u786e\u5b9a)\u548c\u81ea\u5b9a\u4e49\u7c7b\u578b(\u9ed8\u8ba4\u6784\u9020) + \u7236\u7c7b\u6210\u5458(\u5fc5\u987b\u8c03\u7528\u7236\u7c7b\u9ed8\u8ba4\u6784\u9020)<\/p>\n
\n\/\/\u9ed8\u8ba4：\u5b50\u7c7b\u6210\u5458 \u5185\u7f6e\u7c7b\u578b(\u503c\u62f7\u8d1d)\u548c\u81ea\u5b9a\u4e49\u7c7b\u578b(\u8c03\u7528\u5b83\u7684\u62f7\u8d1d\u6784\u9020) + \u7236\u7c7b\u6210\u5458(\u8c03\u7528\u7236\u7c7b\u62f7\u8d1d\u6784\u9020)<\/p>\n
\n\/\/\u9ed8\u8ba4：\u5b50\u7c7b\u6210\u5458 \u5185\u7f6e\u7c7b\u578b（\u4e0d\u5904\u7406）\u548c\u81ea\u5b9a\u4e49\u7c7b\u578b（\u8c03\u7528\u5b83\u7684\u6790\u6784）+ \u7236\u7c7b\u6210\u5458（\u8c03\u7528\u5b83\u7684\u6790\u6784）
\n\/\/\u81ea\u5df1\u5b9e\u73b0\u7684\u8bdd，\u6ce8\u610f\u4e0d\u9700\u8981\u663e\u793a\u8c03\u7528\u7236\u7c7b\u6790\u6784，\u5b50\u7c7b\u6790\u6784\u51fd\u6570\u7ed3\u675f\u540e，\u4f1a\u81ea\u52a8\u8c03\u7528\u7236\u7c7b\u6790\u6784<\/p>\n
\n{
\nStudent s1(20, "\u738b\u4e94", "\u5317\u4eac");
\nStudent s2(s1);\/\/\u62f7\u8d1d\u6784\u9020<\/p>\n
\n} <\/p>\n4.2\u00a0\u5b9e\u73b0\u2f00\u4e2a\u4e0d\u80fd\u88ab\u7ee7\u627f\u7684\u7c7b<\/h5>\n
\n{
\npublic:
\nvoid func5() { cout << "Base::func5" << endl; }
\nprotected:
\nint a = 1;
\nprivate:
\n\/\/ C++98\u7684\u2f45\u6cd5
\nBase()
\n{}
\n};<\/p>\n
\n{
\nvoid func4() { cout << "Derive::func4" << endl; }
\nprotected:
\nint b = 2;
\n};
\nint main()
\n{
\nBase b;
\nDerive d;
\nreturn 0;
\n} <\/p>\n
\n{
\npublic:
\nvoid func5()
\n{
\ncout << "Base::func5" << endl;
\n}<\/p>\n
\n{ }<\/p>\n
\nint a = 1;<\/p>\n
\n{
\nvoid func4() { cout << "Derive::func4" << endl; }
\nprotected:
\nint b = 2;
\n};<\/p>\n
\n{
\nBase b;
\nDerive d;
\nreturn 0;
\n} <\/p>\n
\n\u4e94\u3001\u7ee7\u627f\u4e0e\u53cb\u5143<\/h4>\n
\n{
\npublic:
\nfriend void Display(const Person& p, const Student& s);
\nprotected:
\nstring _name; \/\/ \u59d3\u540d
\n};<\/p>\n
\n{
\nfriend void Display(const Person& p, const Student& s);
\nprotected:
\nint _stuNum; \/\/ \u5b66\u53f7
\n};<\/p>\n
\n{
\ncout << p._name << endl;
\ncout << s._stuNum << endl;
\n}
\nint main()
\n{
\nPerson p;
\nStudent s;
\n\/\/ \u7f16\u8bd1\u62a5\u9519：error C2248: \u201cStudent::_stuNum\u201d: \u2f46\u6cd5\u8bbf\u95ee protected \u6210\u5458
\n\/\/ \u89e3\u51b3\u2f45\u6848：Display\u4e5f\u53d8\u6210Student \u7684\u53cb\u5143\u5373\u53ef
\nDisplay(p, s);
\nreturn 0;
\n} <\/p>\n
\n\u516d\u3001\u7ee7\u627f\u4e0e\u9759\u6001\u6210\u5458<\/h4>\n
\n{
\npublic:
\nstring _name;
\nstatic int _count;
\n};
\nint Person::_count = 0;
\nclass Student : public Person
\n{
\nprotected:
\nint _stuNum;
\n};
\nint main()
\n{
\nPerson p;
\nStudent s;
\n\/\/ \u8fd9\u2fa5\u7684\u8fd0\u2f8f\u7ed3\u679c\u53ef\u4ee5\u770b\u5230\u2fae\u9759\u6001\u6210\u5458_name\u7684\u5730\u5740\u662f\u4e0d\u2f00\u6837\u7684
\n\/\/ \u8bf4\u660e\u6d3e\u2f63\u7c7b\u7ee7\u627f\u4e0b\u6765\u4e86，\u2f57\u6d3e\u2f63\u7c7b\u5bf9\u8c61\u5404\u6709\u2f00\u4efd
\ncout << &p._name << endl;
\ncout << &s._name << endl;<\/p>\n
\n\/\/ \u8bf4\u660e\u6d3e\u2f63\u7c7b\u548c\u57fa\u7c7b\u5171\u2f64\u540c\u2f00\u4efd\u9759\u6001\u6210\u5458
\ncout << &p._count << endl;
\ncout << &s._count << endl;<\/p>\n
\ncout << Person::_count << endl;
\ncout << Student::_count << endl;<\/p>\n
\n} <\/p>\n
\n\u4e03\u3001\u591a\u7ee7\u627f\u53ca\u5176\u83f1\u5f62\u7ee7\u627f\u95ee\u9898<\/h4>\n
7.1\u00a0\u7ee7\u627f\u6a21\u578b<\/h5>\n
\n{
\npublic:
\nstring _name; \/\/ \u59d3\u540d
\n};<\/p>\n
\n{
\nprotected:
\nint _num; \/\/\u5b66\u53f7
\n};<\/p>\n
\n{
\nprotected:
\nint _id; \/\/ \u804c\u2f2f\u7f16\u53f7
\n};<\/p>\n
\n{
\nprotected:
\nstring _majorCourse; \/\/ \u4e3b\u4fee\u8bfe\u7a0b
\n};<\/p>\n
\n{
\nAssistant a;
\na._name = "peter";\/\/ \u7f16\u8bd1\u62a5\u9519：error C2385: \u5bf9\u201c_name\u201d\u7684\u8bbf\u95ee\u4e0d\u660e\u786e<\/p>\n
\na.Student::_name = "xxx";
\na.Teacher::_name = "yyy";
\nreturn 0;
\n} <\/p>\n7.2 \u865a\u7ee7\u627f<\/h5>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250729201805-68892c7dda70e.png\")
<\/p>\n
\n{
\npublic:
\nstring _name; \/\/ \u59d3\u540d
\n\/*int _tel;
\nint _age;
\nstring _gender;
\nstring _address;*\/
\n\/\/ …
\n};<\/p>\n
\nclass Student : virtual public Person
\n{
\nprotected:
\nint _num; \/\/\u5b66\u53f7
\n};<\/p>\n
\nclass Teacher : virtual public Person
\n{
\nprotected:
\nint _id; \/\/ \u804c\u2f2f\u7f16\u53f7
\n};<\/p>\n
\nclass Assistant : public Student, public Teacher
\n{
\nprotected:
\nstring _majorCourse; \/\/ \u4e3b\u4fee\u8bfe\u7a0b
\n};<\/p>\n
\n{
\n\/\/ \u4f7f\u2f64\u865a\u7ee7\u627f，\u53ef\u4ee5\u89e3\u51b3\u6570\u636e\u5197\u4f59\u548c\u2f06\u4e49\u6027
\nAssistant a;
\na._name = "peter";
\nreturn 0;
\n} <\/p>\n\u00a0\u3010\u5c0f\u9898\u76ee\u3011<\/h6>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250729201807-68892c7f26850.png\")
<\/p>\n
\n{
\npublic:
\nPerson(const char* name)
\n:_name(name)
\n{}
\nstring _name; \/\/ \u59d3\u540d
\n};<\/p>\n
\n{
\npublic:
\nStudent(const char* name, int num)
\n:Person(name)
\n, _num(num)
\n{
\n}
\nprotected:
\nint _num; \/\/\u5b66\u53f7
\n};<\/p>\n
\n{
\npublic:
\nTeacher(const char* name, int id)
\n:Person(name)
\n, _id(id)
\n{
\n}
\nprotected:
\nint _id; \/\/ \u804c\u2f2f\u7f16\u53f7
\n};<\/p>\n
\nclass Assistant : public Student, public Teacher
\n{
\npublic:
\nAssistant(const char* name1, const char* name2, const char* name3)
\n:Person(name3)
\n, Student(name1, 1)
\n, Teacher(name2, 2)
\n{
\n}
\nprotected:
\nstring _majorCourse; \/\/ \u4e3b\u4fee\u8bfe\u7a0b
\n};<\/p>\n
\n{
\n\/\/ \u601d\u8003\u2f00\u4e0b\u8fd9\u2fa5a\u5bf9\u8c61\u4e2d_name\u662f"\u5f20\u4e09", "\u674e\u56db", "\u738b\u4e94"\u4e2d\u7684\u54ea\u2f00\u4e2a？
\nAssistant a("\u5f20\u4e09", "\u674e\u56db", "\u738b\u4e94");
\nreturn 0;
\n} <\/p>\n7.3\u00a0\u591a\u7ee7\u627f\u4e2d\u6307\u9488\u504f\u79fb\u95ee\u9898？<\/h5>\n
\n{
\n public: int _b1;
\n};<\/p>\n
\n{
\n public: int _b2;
\n};<\/p>\n
\n{
\n public: int _d;
\n};<\/p>\n
\n{
\nDerive d;
\nBase1* p1 = &d;
\nBase2* p2 = &d;
\nDerive* p3 = &d;<\/p>\n
\n}<\/p>\n![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250729201808-68892c80ba70c.png\")
<\/p>\n7.4\u00a0IO\u5e93\u4e2d\u7684\u83f1\u5f62\u865a\u62df\u7ee7\u627f<\/h5>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250729201809-68892c814b2a6.png\")
<\/p>\n![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250729201809-68892c81a3bda.png\")
<\/p>\n
\nclass basic_ostream : virtual public std::basic_ios<CharT, Traits>
\n{<\/p>\n
\nclass basic_istream : virtual public std::basic_ios<CharT, Traits>
\n{<\/p>\n
\n\u516b\u3001\u7ee7\u627f\u4e0e\u7ec4\u5408<\/h4>\n
\n
\u573a\u666f1：\u7ee7\u627f\u793a\u4f8b（is-a\u5173\u7cfb）<\/h5>\n
\nclass Animal {
\nprotected:
\n std::string name;
\npublic:
\n Animal(const std::string& n) : name(n) {}
\n virtual void eat() const {
\n std::cout << name << " is eating." << std::endl;
\n }
\n virtual ~Animal() = default; \/\/ \u591a\u6001\u9700\u8981\u865a\u6790\u6784\u51fd\u6570
\n};<\/p>\n
\nclass Dog : public Animal {
\npublic:
\n Dog(const std::string& n) : Animal(n) {}
\n void bark() const {
\n std::cout << name << " says: Woof!" << std::endl;
\n }
\n \/\/ \u91cd\u5199eat\u65b9\u6cd5
\n void eat() const override {
\n std::cout << name << " eats dog food." << std::endl;
\n }
\n};<\/p>\n
\nDog myDog("Buddy");
\nmyDog.eat(); \/\/ \u8f93\u51fa: Buddy eats dog food.
\nmyDog.bark(); \/\/ \u8f93\u51fa: Buddy says: Woof! <\/p>\n\n
\u573a\u666f2：\u7ec4\u5408\u793a\u4f8b（has-a\u5173\u7cfb）<\/h5>\n
\nclass Engine {
\npublic:
\n void start() const {
\n std::cout << "Engine started." << std::endl;
\n }
\n};<\/p>\n
\nclass Wheel {
\npublic:
\n void rotate() const {
\n std::cout << "Wheel rotating." << std::endl;
\n }
\n};<\/p>\n
\nclass Car {
\nprivate:
\n Engine engine; \/\/ \u7ec4\u5408Engine\u5bf9\u8c61
\n Wheel wheels[4]; \/\/ \u7ec4\u5408\u591a\u4e2aWheel\u5bf9\u8c61
\npublic:
\n void startCar() {
\n engine.start();
\n for (auto& wheel : wheels) {
\n wheel.rotate();
\n }
\n }
\n};<\/p>\n
\nCar myCar;
\nmyCar.startCar();
\n\/\/ \u8f93\u51fa:
\n\/\/ Engine started.
\n\/\/ Wheel rotating. (x4) <\/p>\n\n
\u573a\u666f3：\u7ee7\u627f+\u7ec4\u5408\u6df7\u5408\u4f7f\u7528<\/h5>\n
\nclass Character {
\nprotected:
\n int health;
\npublic:
\n Character(int h) : health(h) {}
\n virtual void move() const {
\n std::cout << "Character moves." << std::endl;
\n }
\n};<\/p>\n
\nclass Weapon {
\npublic:
\n virtual void attack() const = 0;
\n virtual ~Weapon() = default;
\n};<\/p>\n
\npublic:
\n void attack() const override {
\n std::cout << "Sword slash!" << std::endl;
\n }
\n};<\/p>\n
\npublic:
\n void attack() const override {
\n std::cout << "Bow shot!" << std::endl;
\n }
\n};<\/p>\n
\nclass Warrior : public Character {
\nprivate:
\n Weapon* weapon; \/\/ \u7ec4\u5408\u6b66\u5668
\npublic:
\n Warrior(int h, Weapon* w) : Character(h), weapon(w) {}<\/p>\n
\n weapon->attack();
\n }<\/p>\n
\n delete weapon;
\n weapon = newWeapon;
\n }<\/p>\n
\n};<\/p>\n
\nWarrior warrior(100, new Sword());
\nwarrior.move(); \/\/ \u8f93\u51fa: Character moves.
\nwarrior.attack(); \/\/ \u8f93\u51fa: Sword slash!
\nwarrior.changeWeapon(new Bow());
\nwarrior.attack(); \/\/ \u8f93\u51fa: Bow shot! <\/p>\n\n
\u7ee7\u627f vs \u7ec4\u5408\u7684\u9009\u62e9\u539f\u5219<\/h5>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250729201810-68892c820e536.png\")
<\/p>\n\n
\u518d\u4e3e\u4e00\u4f8b<\/h5>\n
\nclass Tire {
\nprotected:
\nstring _brand = "Michelin"; \/\/ \u54c1\u724c
\nsize_t _size = 17; \/\/ \u5c3a\u2f28
\n};
\nclass Car {
\nprotected:
\nstring _colour = "\u2f69\u2f8a"; \/\/ \u989c\u2f8a
\nstring _num = "\u9655ABIT00"; \/\/ \u2ecb\u724c\u53f7
\nTire _t1; \/\/ \u8f6e\u80ce
\nTire _t2; \/\/ \u8f6e\u80ce
\nTire _t3; \/\/ \u8f6e\u80ce
\nTire _t4; \/\/ \u8f6e\u80ce
\n};
\nclass BMW : public Car {<\/p>\n
\nvoid Drive() { cout << "\u597d\u5f00-\u64cd\u63a7" << endl; }
\n};
\n\/\/ Car\u548cBMW\/Benz\u66f4\u7b26\u5408is-a\u7684\u5173\u7cfb
\nclass Benz : public Car {
\npublic:
\nvoid Drive() { cout << "\u597d\u5750-\u8212\u9002" << endl; }
\n};
\ntemplate<class T>
\nclass vector
\n{
\n};
\n\/\/ stack\u548cvector\u7684\u5173\u7cfb，\u65e2\u7b26\u5408is-a，\u4e5f\u7b26\u5408has-a
\ntemplate<class T>
\nclass stack : public vector<T>
\n{
\n};
\ntemplate<class T>
\nclass stack
\n{
\npublic:
\nvector<T> _v;
\n};
\nint main()
\n{
\nreturn 0;
\n} <\/p>\n
\n![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250729201810-68892c823972e.jpg\")
<\/p>\n