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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; //lock collection to prevent changes during operation lock (_Tracker) { //if value not found, create and add if(!_Tracker.TryGetValue(key, out item)) {