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题目内容 (请给出正确答案)
有以下程序 include using namespace std; class Base { int a; public: Base(int x)

有以下程序

include <iostream>

using namespace std;

class Base

{

int a;

public:

Base(int x){ a=x; }

void show(){ cout<<a; }

class Derived : public Base

{

int b;

public:

Derived(int i) :Base(i+1),b(i){}

void show() { cout<<b;

};

int main ()

{

Base b(5),*pb;

Derived d(1);

pb=&d;

pb->show ();

return 0;

}

运行后的打印结果是______。


参考答案

更多 “ 有以下程序 include using namespace std; class Base { int a; public: Base(int x) 有以下程序include <iostream>using namespace std;class Base{int a;public:Base(int x){ a=x; }void show(){ cout<<a; }class Derived : public Base{int b;public:Derived(int i) :Base(i+1),b(i){}void show() { cout<<b;};int main (){Base b(5),*pb;Derived d(1);pb=d;pb->show ();return 0;}运行后的打印结果是______。 ” 相关考题
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