How to inherit a constructor?

Question

hi there,can you please help me out with this concept with an example,thanks.

Answer 1

Check this:
http://stackoverflow.com/questions/347358/inheriting-constructors

Answer 2

When a derived class inherits from a base class, then when you create an object of the derived class, the base class constructor is automatically called before the derived class constructor.

To give an example:

class A {
public:
A() {
cout << "Calling A constructor\n";
}
};

class B: public A {
public:
B() {
cout << "Calling B constructor\n";
}
};

int main() {
B b_obj();
return 0;
}

This will output

Calling A constructor
Calling B constructor

Answer 3

thanks for your valuable explanations :)