What is the output?

class classExample

{

public:

void setX(int a); // sets x = a

void print() const; // cout << x;

private:

int x;

};

int main()

{

classExample *cExpPtr;

classExample cExpObject;

cExpPtr = &cExpObject;

cExpPtr->setX(20);

cExpPtr->print();

return 0;

}