有以下程序 #include ＜iostream＞ #include ＜string＞ using namespace std; class base { private: char baseName[10]; public: base() { strcpy(baseName,'Base'); } virtual char *myName() { return baseName; } char *className() { Return baseName; } }; class Derived: public base { private: char derivedName[10]; public: Derived() { strcpy(derivedName,'Derived' ); } char *myName() { return derivedName; } char *className() { return derivedName; } }; void showPtr(base &p) { cout＜＜p.myName()＜＜' '＜＜p.className(); } int main() { base bb; Derived dd; showPtr(dd); return 0; } 运行后的输出结果为