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若有以下程序:include using namespace std;class Base{private: inta,b;public: Bas
若有以下程序: #include <iostream> using namespace std; class Base { private: int a,b; public: Base(int x, int y) { a=x; b=y; } void disp () { cout<<a<<" "<<b<<end1; } }; class Derived : public Base { private: int c; int d; public: Derived(int x,int y, int z,int m) :Base(x,y) { c=z; d=m; } void disp () { cout<<c<<" "<<d<<end1; } }; int main() { Base b(5,5),*pb; Derived obj(1,2,3,4); pb=&obj; pb->disp(); return 0; } 执行程序后的输出结果是( )。
A.1,2
B.3,4
C.2,3
D.5,5
参考答案
更多 “ 若有以下程序:include using namespace std;class Base{private: inta,b;public: Bas 若有以下程序: #include <iostream> using namespace std; class Base { private: int a,b; public: Base(int x, int y) { a=x; b=y; } void disp () { cout<<a<<" "<<b<<end1; } }; class Derived : public Base { private: int c; int d; public: Derived(int x,int y, int z,int m) :Base(x,y) { c=z; d=m; } void disp () { cout<<c<<" "<<d<<end1; } }; int main() { Base b(5,5),*pb; Derived obj(1,2,3,4); pb=obj; pb->disp(); return 0; } 执行程序后的输出结果是( )。A.1,2B.3,4C.2,3D.5,5 ” 相关考题
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