PersonInheritance

//Person.h

    #pragma once
#include <iostream>

using namespace std;

class Person {
private:
    string name;
    int alter;

public:
    Person (string n, int a);

    virtual string getName () const;

    virtual int getAlter () const;

    friend ostream& operator<< (ostream& out, const Person &p);
};

//Person.cpp

#include "Person.h"


    Person::Person (string n, int a) : name (n), alter (a) {};

    string Person:: getName () const {
        return this->name;
    }

     int Person::getAlter () const {
        return this->alter;
    }

    ostream& operator<< (ostream& out, const Person &p) {
        out << "Name: " << p.name << " Alter: " << p.alter << endl;

        return out;
    }