C++ override inherited methods

Question

I have the following two classes. Since Child inherits from Father, I think that Child::init() overrides Father::init(). Why, when I run the program, I get "I'm the Father" and not "I'm the Child"? How to execute Child::init()?

You can test it here: https://ideone.com/6jFCRm

#include <iostream>

using namespace std;

class Father {
    public:
        void start () {
            this->init();
        };

        void init () {
            cout << "I'm the father" << endl;
        };
};

class Child: public Father {
    void init () {
        cout << "I'm the child" << endl;
    };
};

int main (int argc, char** argv) {
    Child child;
    child.start();
}

Answer 1

Currently Child::init is hiding Father::init, not overriding it. Your init member function needs to be virtual in order to get dynamic dispatch:

virtual void init () {
    cout << "I'm the father" << endl;
};

Optionally, you could mark Child::init as override to be explicit that you want to override a virtual function (requires C++11):

void init () override {
    cout << "I'm the child" << endl;
};