class A
{
private:
int a,b,c;
public:
virtual int get()=0;
friend class B;
};
class B{
//here I want to access private variables of class A that is a, b and c
};
class C:public class A
{
int get(){
//some code
}
};
How to access private members of class A in class B. I cannot create an object of class A since it is abstract. I somehow have to use an object of class C to do that but how?
class A {
friend class B;
private:
int x;
public:
A() : x(42) {}
};
class C : public A {
};
class B {
public:
int reveal_secrets(C &instance){
// access private member
return instance.x;
}
int reveal_secrets(){
// access private member of instance created inside B
C instance;
return instance.x;
}
};
void print_secrets(){
C instance;
B accessor;
std::cout << accessor.reveal_secrets(instance) << ", " << accessor.reveal_secrets() << std::endl;
}
class B
will have to have an instance object to work with in the first place. That instance object is what B
will look at in order to access a
, b
, etc .
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