Online C# Compiler

using System; using System.Collections.Specialized; public class Demo { public static void Main() { StringCollection stringCol = new StringCollection(); String[] arr = new String[] { "100", "200", "100", "400", "500" }; Console.WriteLine("Array elements..."); foreach (string res in arr) { Console.WriteLine(res); } stringCol.AddRange(arr); Console.WriteLine("Total number of elements = "+stringCol.Count); stringCol.Remove("100"); Console.WriteLine("Total number of elements now = "+stringCol.Count); } }