cpp-work/archive/20220310.cpp

#include "iostream"

using namespace std;

class Date {
public:
    Date();

    Date(int year, int month, int day);

    Date(const Date &date);

    ~Date();

    int getYear() const;

    int getMonth() const;

    int getDay() const;

private:
    int year = 1970;
    int month = 1;
    int day = 1;
};

Date::Date(int year, int month, int day) : year(year), month(month), day(day) {
    std::cout << "Date::Date(int year, int month, int day)" << std::endl;
}

Date::Date() : year(1970), month(1), day(1) {}

Date::Date(const Date &date) {
    cout << "Date::Date(const Date &p)" << endl;
    Date::year = date.year;
    Date::month = date.month;
    Date::day = date.day;
}

Date::~Date() {
    std::cout << "Date::~Date()" << std::endl;
}

int Date::getYear() const {
    return year;
}

int Date::getMonth() const {
    return month;
}

int Date::getDay() const {
    return day;
}

//-------------------------------------------------
class Person {
public:
    Person();

    Person(char *name, const Date &birthday);

    ~Person();

    void showPerson();

private:
    string name;
    Date birthday;
};

Person::Person() {
    cout << "Person::Default constructor Function is called." << endl;
}

Person::Person(char *name, const Date &birthday) : name(name), birthday(birthday) {
    cout << "Person::Constructor Function is called." << endl;
}

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

void Person::showPerson() {
    cout << "Person::showPerson()" << endl;
    cout << "Name:" << name << "  ";
    cout << "Birthday:" << birthday.getYear() << '-' << birthday.getMonth() << '-' << birthday.getDay();
    cout << endl;
}

int main() {
    char name[20];
    int y, m, d;
    int Cas = 0;
    cout << "Please input name & birthday:\n";
    while (cin >> name >> y >> m >> d) {
        Cas++;
        cout << "CASE #" << Cas << ":" << endl;
        Date d1(y, m, d);
        Person person(name, d1);
        person.showPerson();
    }
}