Explain step by step, please help😊

Question

#include <iostream>
using namespace std;
class Mother
{
public:
Mother() {};
void sayHi() {
cout << "Hi";
}
};
class Daughter: public Mother
{
public:
Daughter() {};
};
int main() {
Daughter d;
d.sayHi();
}

Answer 1

class Mother is the base class witch contains a method sayHi.
class Daughter is a class that inherrits from class Mother so it has access to the method sayHi.
d is an instance of the class Daughter so we can call the method sayHi