Managing Memory in C++ - Dynamic Memory Allocation with Classes

Code:

Person.cpp

#include "Person.h"

#include <stdio.h>
#include <iostream>

Person::Person()
{

}

Person::Person(std::string fName, std::string lName)
{
    firstName = fName;
    lastName = lName;
}

Person::Person(std::string fName, std::string lName, int age)
{
    firstName = fName;
    lastName = lName;

    ageData = age;
}

Person::~Person()
{
    std::cout << "Person destructor called " << std::endl;
}

void Person::SetFirstName(std::string fName)
{
    this ->firstName = fName;
}

std::string Person::GetFirstName()
{
    return this ->firstName;
}

void Person::SetLastName(std::string lName)
{
    this->lastName = lName;
}

std::string Person::GetLastName()
{
    return this -> lastName;
}

void Person::SetAge(int age)
{
    this ->ageData = age;
}

int Person::GetAge()
{
    return this -> ageData;
}

void Person::SayHello()
{
    std::cout << "Hello" << std::endl;
}

The main program

main.cpp

#include "Person.h"
#include <iostream>
#include <stdio.h>

using namespace std;

int main()
{
    Person *pOne = new Person("Tom", "Thumb", 25);

    std::cout << "First name of pOne = "<< pOne->GetFirstName() << std::endl;

    std::cout << "Memory address of pOne = " << &pOne << std::endl;

    std::cout << "Last name of pOne = "<< pOne->GetLastName() << std::endl;

    std::cout << "Age of pOne =" << pOne->GetAge() << std::endl;

    pOne->SayHello();


    delete pOne;

    return 0;

}

The header file

Person.h

#ifndef PERSON_H_INCLUDED
#define PERSON_H_INCLUDED

#include <stdio.h>
#include <iostream>

class Person
{
    private:
    //string firstName;
    std::string firstName;
    std::string lastName;

    int ageData;

    public:
    Person();
    Person(std::string fName, std::string lName);
    Person(std::string fName, std::string lName, int age);

    ~Person(); void SetFirstName(std::string fName);
    std::string GetFirstName();

    void SetLastName(std::string lName);
    std::string GetLastName();

    void SetAge(int age);
    int GetAge();

    void SayHello();};


#endif // PERSON_H_INCLUDED