佘诗曼怎么读:#define<iostream.h>

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#include<iostream.h>
class Example
{
friend class Fclass1;
private:
int x;

};
class Fclass1
{
public:
void call()
{
Example f;
cout<<endl<<"You can see x,Enter a value ,please:"<<endl;
cin<<"\n the value of x is:"<<f.x;

}
};
int main()
{
Fclass1 c1;
Fclass1 c2;
c1.call();
c2.call();
return 0;

}

class Fclass2
{
public:
void call()
{
Example f;
cout<<endl<<"You can see x,Enter a value ,please:"<<endl;
cin>>f.x;
cout<<"the value of x is:"<<f.x<<endl;
}
};