To Share a variable among classes

[JenniferF]

//A.h
class A
{
public:
int quantity[8];
int m;
 
}
 
//B.h
class B
{
public:
void getquantity ();
 
 
}
 
//B.cpp
 
void B::getquantity()
{
 //how can I get access to quantity or any variables from A? when I try A::m- I get errors
}

//A.h
class A
{
public:
int quantity[8];
int m;

}

//B.h
class B
{
public:
void getquantity ();


}

//B.cpp

void B::getquantity()
{
 //how can I get access to quantity or any variables from A? when I try A::m- I get errors
}

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