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Gets an ICollection containing the values in the Hashtable in C#
To get an ICollection containing the values in the Hashtable, the code is as follows −
Example
using System; using System.Collections; public class Demo { public static void Main() { Hashtable hash = new Hashtable(); hash.Add("A", "Electronics"); hash.Add("B", "Appliances"); hash.Add("C", "Pet Supplies"); hash.Add("D", "Books"); hash.Add("E", "Toys"); hash.Add("F", "Footwear"); hash.Add("G", "Clothing"); ICollection col = hash.Keys; foreach(string str in col) Console.WriteLine(str + ": " + hash[str]); } }
Output
This will produce the following output −
G: Clothing A: Electronics B: Appliances C: Pet Supplies D: Books E: Toys F: Footwear
Example
Let us see another example −
using System; using System.Collections; public class Demo { public static void Main() { Hashtable hash = new Hashtable(); hash.Add(1, "AB"); hash.Add(2, "CD"); hash.Add(3, "EF"); hash.Add(4, "GH"); hash.Add(5, "IJ"); hash.Add(6, "KL"); hash.Add(7, "MN"); ICollection col = hash.Keys; foreach(int str in col) Console.WriteLine("Key = " + str + ", Value = " + hash[str]); } }
Output
This will produce the following output −
Key = 7, Value = MN Key = 6, Value = KL Key = 5, Value = IJ Key = 4, Value = GH Key = 3, Value = EF Key = 2, Value = CD Key = 1, Value = AB
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