static void Main(string[] args)
{
Gift gift = new Gift();
Candy candy = new Candy("jelly",0.02,0.012,Filling.jelly);
gift.Add(candy);
Cookie cookie = new Cookie("bicquit", 0.1, 0.08,Filling.condensedMilk,Covering.chocolate);
gift.Add(cookie);
Jujube jujube = new Jujube("jujube", 0.012, 0.017);
gift.Add(jujube);
Chocolate chocolate = new Chocolate("alyonka", 0.1, 0.09) ;
gift.Add(chocolate);
Jujube jujube1 = new Jujube(null, 0.012, 0.007);
gift.Add(jujube1);
Console.WriteLine("In gift is:");
gift.ShowGift();
Console.WriteLine("\nWeight of gift: " + gift.OverallWeight);
gift.SortByName();
Console.WriteLine("\nSorted confections: ");
gift.ShowGift();
double moreThan=0;
double lessThan=0.07;
Console.WriteLine("\nFind elements with {0} - {1} sugar:",moreThan,lessThan);
ICollection<IGiftItem> find = gift.SearchBySugar(moreThan, lessThan).ToList<IGiftItem>();
foreach (var i in find) i.ShowElement();
}
