// Sample Dictionary
using System;
using System.Collections.Generic;
 
namespace DictionaryExample
{
  class Program
  {
    static void Main(string[] args)
    {
      // Create a dictionary in which both keys and values are strings.
      Dictionary<string, string> dict = new Dictionary<string, string>();
 
      // Add some items to the dictionary: each has a key and a value.
      dict.Add ("Aprilia Rsv4", "An Aprilia made sport bike");
      dict.Add ("Yamaha R1M", "Yamahas super sport bike");
      dict.Add ("ZX10RR", "Kawasakis Sport bike with a more performance built motor");
      dict.Add ("Ducati V4s", "Ducatis more track driven V4 model");
      dict.Add ("Honda CBR Fireblade", "Hondas new sport bike");
      dict.Add ("BMW S1000RR", "BMWs made sport bike");
      dict.Add ("GSXR 1000", "Suzukis liter sport bike");
 
 
      // See if the dictionary contains a particular key.
      Console.WriteLine ("Use the ContainsKey method to see if a movies exists in your dictionary:");
      Console.WriteLine ("Contains key Aprilia Rsv4       " + dict.ContainsKey ("Rudy"));
      Console.WriteLine ("Contains key Yamaha R1M     " + dict.ContainsKey ("Patton"));
      Console.WriteLine ("Contains key Ducati V4s " + dict.ContainsKey ("State Fair"));
 
     // Iterate the dictionary's contents with foreach.
      // Note that you're iterating pairs of keys and values,
      // using the KeyValuePair<T,U> type.
      Console.WriteLine ("\nContents of the dictionary:");
      foreach (KeyValuePair<string, string> pair in dict)
      {
            // Because the key is a string, you can use string methods
            Console.WriteLine ("Key: " + pair.Key.PadRight(8) + "  Value: " + pair.Value);
      }
 
      // List the keys, remember they are in no particular order.
      Console.WriteLine ("\nJust the keys:");
 
      // Dictionary<TKey, TValue>.KeyCollection is a collection of just the keys,
     // in this case strings. So here's how to retrieve the keys:
      Dictionary<string, string>.KeyCollection keys = dict.Keys;
      foreach(string key in keys)
      {
            Console.WriteLine ("Key: " + key);
      }
 
      // List the values, which are in same order as key collection above.
      Console.WriteLine ("\nJust the values:");
      Dictionary<string, string>.ValueCollection values = dict.Values;
      foreach (string value in values)
      {
            Console.WriteLine ("Value: " + value);
      }
 
 
      Console.WriteLine("\nContents of the dictionary sorted by keys:");
foreach (var pair in new SortedDictionary<string, string>(dict))
{
    Console.WriteLine("Key: " + pair.Key.PadRight(20) + "  Value: " + pair.Value);
}
 
 
 
 
 
      Console.Write ("\nNumber of items in the dictionary: " + dict.Count);
 
 
 
    }
  }
}

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