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
题库:计算机等级考试
类型:最佳选择题
时间:2017-07-03 16:51:50
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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
A.Derived Base
B.Base Base
C.Derived Derived
D.Base Derived
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