using System;

using System.Text;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("=> Using the StringBuilder:");

        StringBuilder sb = new StringBuilder("**** Fantastic Games ****");

        sb.Append("\n");

        sb.AppendLine("Half Life");

        sb.AppendLine("Deus Ex" + "2");

        sb.AppendLine("Morrowind");

        sb.AppendLine("System Shock");

        Console.WriteLine(sb.ToString());

        sb.Replace("2", " Invisible War");

        Console.WriteLine(sb.ToString());

        Console.WriteLine("sb has {0} chars.", sb.Length);

        Console.WriteLine();

    }

}