Design Patterns in .NET

A fairly simple example of the multiton pattern, with a private constructor, and a tracker for created objects, the name being an integer identifier. Salient Chacteristic(s) A private keyed list for tracking objects A private constructor Named objects Code using System.Collections.Generic; using System.Linq; namespace DesignPatterns {     public class Multiton     {         //read-only dictionary to track multitons         private static IDictionary<int, Multiton> _Tracker = new Dictionary<int, Multiton> { };         private Multiton()         {         }         public static Multiton GetInstance(int key)         {             //value to return             Multiton item = null;              ...