public double Convert(currency cur1, currency cur2, int quantity = 1) { cur1.PrintCurInfo(); cur2.PrintCurInfo(); Console.Write($"{quantity} {cur1.Name} in {cur2.Name}: "); return(quantity * (cur2.ToDollar / cur1.ToDollar)); }
static void Main(string[] args) { currency c1 = new currency(0.751, "pound sterling"); currency c2 = new currency(0.845, "euro"); CurConverter converter = new CurConverter(); Console.WriteLine("{0:f3}", converter.Convert(c1, c2)); currency c3 = new currency(58.42, "rubl"); currency c4 = new currency(329.23, "tenge"); Console.WriteLine("{0:f3}", converter.Convert(c3, c4, 100)); }