Mega Code Archive
Structure composition
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#include <iostream>
using std::cout;
using std::endl;
#include <iostream>
struct Name {
char firstname[80];
char surname[80];
void show();
};
struct Date {
int day;
int month;
int year;
void show();
};
struct Phone {
int areacode;
int number;
void show();
};
struct Person {
Name name;
Date birthdate;
Phone number;
void show();
int age(Date& date);
};
void Name::show() {
std::cout << firstname << " " << surname << std::endl;
}
void Date::show() {
std::cout << month << "/" << day << "/" << year << std::endl;
}
void Phone::show() {
std::cout << areacode << " " << number << std::endl;
}
void Person::show() {
std::cout << std::endl;
name.show();
std::cout << "Brithday: ";
birthdate.show();
std::cout << "phone: ";
number.show();
}
int Person::age(Date& date) {
if(date.year <= birthdate.year)
return 0;
int years = date.year - birthdate.year;
if((date.month>birthdate.month) || (date.month == birthdate.month && date.day>= birthdate.day))
return years;
else
return --years;
}
int main() {
Person her = {{ "L", "G" }, // Initializes Name member
{1, 4, 1976 }, // Initializes Date member
{999,5551234} // Initializes Phone member
};
Person actress;
actress = her;
her.show();
Date today = { 4, 4, 2007 };
cout << endl << "Today is ";
today.show();
cout << endl;
cout << "Today " << actress.name.firstname << " is "
<< actress.age(today) << " years old."
<< endl;
return 0;
}
L G
Brithday: 4/1/1976
phone: 999 5551234
Today is 4/4/2007
Today L is 31 years old.
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