What is the output of the following code?

Question

Consider the following class declaration:
```cpp 
class B;
class A
{       	
protected:
        	int j;
private:
int i;
private:
friend class B;
 
}
``` 
Which of the following are true?

Accepted Answer

B can access protected data members of A and B can access private data members of A

Answer

A can access protected data members of B but A cannot access private data members of B

Answer

B can access protected data members of A but B cannot access private data members of A

Answer

A can access protected data members of B and A can access private data members of B

Question from the C++ test

What is the output of the following code?