linq, C# - rextester

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//Title of this code
//Rextester.Program.Main is the entry point for your code. Don't change it.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public enum ItemType {
        Sword,
        Shield
    }
    public class ShopItem {
        public int Cost { get ; set; }    
        public string Name { get; set; }
        public ItemType Type { get; set; }
    }    
    
    public class Program
    {       
        public static void Main(string[] args)            
        {
            ICollection<ShopItem> items = new List<ShopItem>();
            items.Add(new ShopItem () { Cost = 5, Name = "A", Type = ItemType.Sword  });
            items.Add(new ShopItem () { Cost = 6, Name = "B", Type = ItemType.Shield });
            items.Add(new ShopItem () { Cost = 6, Name = "C", Type = ItemType.Sword  });
            items.Add(new ShopItem () { Cost = 7, Name = "D", Type = ItemType.Sword  });
            items.Add(new ShopItem () { Cost = 3, Name = "E", Type = ItemType.Sword  });
            items.Add(new ShopItem () { Cost = 8, Name = "F", Type = ItemType.Shield });
            
            var swords = 
                from item in items
                where item.Type == ItemType.Sword 
                orderby item.Cost descending
                select item;
            
            Console.WriteLine("Most Expensive sword: {0}", swords.First().Name);
        }

}
}

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