public static special operator +(int a, special spec_offer) //перегрузка + префиксная
{
special spec_offer1;
spec_offer1 = new special();
spec_offer1.bonus_num = a + spec_offer.bonus_num;
return(spec_offer1);
}
public static special operator +(special spec_offer, int a) //перегрузка + постфиксная
{
special spec_offer1;
spec_offer1 = new special();
spec_offer1.bonus_num = spec_offer.bonus_num + a;
return(spec_offer1);
}
public book_store(String str1, String str2, String str3, int a, int b, int c, special spec_offer, int d) //конструктор с параметрами
{
this.title = str1;
this.author = str2;
this.genre = str3;
this.price = a;
this.num_stock = b;
this.popularity = c;
this.spec_offer2 = spec_offer;
this.cash = new payment_cash(d);
}
static void Main(string[] args)
{
int x = 0, y = 0, z = 0, n, m, profit, popularity = 1; //переменные
int x2, y2;
String x1, y1, z1;
String s1, s2, s3; //строки
int res1, res2;
limited_special lim_offer1 = new limited_special(5, 6, 2);
special sp_offer1 = new special(8, 4);
Console.WriteLine("\nWorking with a derivative class");
Console.WriteLine("\nlim_offer1");
Console.WriteLine(lim_offer1);
Console.WriteLine("\nsp_offer1\n");
Console.WriteLine(sp_offer1);
Console.WriteLine("\nOverload without basic method (reducing bonus num)"); //перегрузка без вызова базового метода
lim_offer1.reduce_bonus_on_num(2, 1);
Console.WriteLine("\nlim_offer1\n");
Console.WriteLine(lim_offer1);
Console.WriteLine("\nOverload with basic method (setting default val)"); //перегрузка с вызовом базового метода
lim_offer1.set_default();
Console.WriteLine("\nlim_offer1\n");
Console.WriteLine(lim_offer1);
Console.WriteLine("Working with an abstract class\n");
payment_cash cash1 = new payment_cash(1);
payment_card card1 = new payment_card(2);
res1 = cash1.is_accessible(); //вызов перегруженной абстрактной функции
if (res1 > 0)
{
Console.WriteLine("Cash pay for cash1 is accessible\n");
}
else
{
Console.WriteLine("Cash pay for cash1 is not accessible\n");
}
res2 = card1.is_accessible(); //вызов перегруженной абстрактной функции
if (res2 > 0)
{
Console.WriteLine("Card pay for card1 is accessible\n");
}
else
{
Console.WriteLine("Card pay for card1 is not accessible\n");
}
Console.WriteLine("Working with an interface (bonus num expansion)");
sp_offer1.expand_bonus_num(); //вызов метода интерфейса
Console.WriteLine("\nsp_offer1\n");
Console.WriteLine(sp_offer1);
lim_offer1.expand_bonus_num(); //вызов метода интерфейса
Console.WriteLine("\nlim_offer1\n");
Console.WriteLine(lim_offer1);
s1 = "qqq";
s2 = "aaa";
s3 = "zzz";
special spec_offer6 = new special(3, 4);
book_store book6 = new book_store(s1, s2, s3, 100, 10, 15, spec_offer6, 2);
s1 = "www";
s2 = "sss";
s3 = "xxx";
special spec_offer7 = new special(5, 6);
book_store book7 = new book_store(s1, s2, s3, 200, 20, 25, spec_offer7, 1);
Console.WriteLine("\nShallow cloning (spec_offer.bonus_num) and deep cloning (cash.is_succeed)\n");
Console.WriteLine("book6");
Console.WriteLine(book6);
Console.WriteLine("book7");
Console.WriteLine(book7);
book6 = (book_store)book7.Clone();
Console.WriteLine("book6");
Console.WriteLine(book6);
book7.spec_offer2.change_bonus_num(10); //мелкое клонирование spec_offer (для book6 bonus_num = 10)
book7.cash.change_val(3); //глубокое клонирование cash (для book6 is_succeed = 1)
Console.WriteLine("book6");
Console.WriteLine(book6);
Console.WriteLine("book7");
Console.WriteLine(book7);
}