using System;
using System.Collections.Generic;
class MainClass {
public static void Main() {
List lst = new List();
Console.WriteLine("Initial number of elements: " +
lst.Count);
Console.WriteLine();
Console.WriteLine("Adding 6 elements");
lst.Add('C');
lst.Add('A');
lst.Add('E');
lst.Add('B');
lst.Add('D');
lst.Add('F');
Console.WriteLine("Number of elements: " +
lst.Count);
Console.WriteLine("Change first three elements");
lst[0] = 'X';
lst[1] = 'Y';
lst[2] = 'Z';
Console.Write("Contents: ");
foreach(char c in lst)
Console.Write(c + " ");
Console.WriteLine();
}
}
Initial number of elements: 0
Adding 6 elements
Number of elements: 6
Change first three elements
Contents: X Y Z B D F