以下程序的执行结果为 【8】 。
#include<iostream>
using namespace std;
class base
public:
virtual void who( )
cout<<"base class"<<endl;
;
class derivel:public base
public:
void who( )
cout<<"derivel class"<<endl;
;
class derive2:public base
public:
void who( )
cout<<"derive2 class"<<endl;
;
void main( )
base objl,*p;
derivel obj2;
derive2 obj3;
P=&objl;
p->who( );
p=&obj2;
p->who( );
p=&obj3;
p->who( );
题库:计算机等级考试
类型:填空题
时间:2017-07-03 15:36:05
免费下载:《填空》Word试卷
以下程序的执行结果为 【8】 。
#include<iostream>
using namespace std;
class base
public:
virtual void who( )
cout<<"base class"<<endl;
;
class derivel:public base
public:
void who( )
cout<<"derivel class"<<endl;
;
class derive2:public base
public:
void who( )
cout<<"derive2 class"<<endl;
;
void main( )
base objl,*p;
derivel obj2;
derive2 obj3;
P=&objl;
p->who( );
p=&obj2;
p->who( );
p=&obj3;
p->who( );
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