C++ Constructor and Destructors Initializing and Finalizing

 
#include <iostream>

using namespace std;

class Food//  w  ww  . ja v  a  2s .c o  m
{
public:
    int Size;
};

class Cat
{
private:
    Food *food;

public:
    Cat();
    ~Cat();
};

Cat::Cat()
{
    cout << "Starting!" << endl;
    food = new Food;
    food->Size = 30;
}

Cat::~Cat()
{
    cout << "Cleaning up my mess!" << endl;
    delete food;
}

int main()
{
    Cat *Sam = new Cat;
    Cat *Sally = new Cat;

    delete Sam;
    delete Sally;

    return 0;
}