Конструктор копирования

class Animal
{
private:
    int n;
    int age;
    char* type;
    char* name;
    char* color;
    int weight;
 
public:
    void write_file(Animal& obj);
    void read_file(Animal* obj, int n);
    void print_file(const Animal *obj, int n);
    Animal(const Animal &obj);
    Animal();
    ~Animal();
};

Animal::Animal()
{
    cin >>n;
    cout << "имя :";
    cin >> name;
    cout << "порода :";
    cin >> type;
    cout << "масть :";
    cin >> color;
    cout << "возраст :";
    cin >> age;
    cout << "вес :";
    cin >> weight;
}

 
    Animal::Animal(const Animal &obj)
    {
        type = new char[strlen(obj.type) + 1];
        strcpy(type, obj.type);
        name = new char[strlen(obj.name) + 1];
        strcpy(name, obj.name);
        color = new char[strlen(obj.color) + 1];
        strcpy(color, obj.color);
        n = obj.n;
        age = obj.age;
        weight = obj.weight;
    }

Animal::Animal() : type(new char[20]), name(new char[20], color(new char[20])
{
cin >>n;
cout << "имя :";
cin >> name;
cout << "порода :";
cin >> type;
cout << "масть :";
cin >> color;
cout << "возраст :";
cin >> age;
cout << "вес :";
cin >> weight;
}