public static void Main()
StringBuilder sb = new StringBuilder("123456", 5);
Console.WriteLine(sb.Length);
Console.WriteLine(sb.Capacity);
sb.Append("78901234567");
Console.WriteLine(sb.Length);
Console.WriteLine(sb.Capacity);
Console.WriteLine(sb.ToString());
Console.WriteLine("\n-------------------Separator---------------------\n");
StringBuilder sb1 = new StringBuilder(5);
Console.WriteLine(sb1.Capacity);
Console.WriteLine(sb1.Length);
Console.WriteLine(sb1.Capacity);
Console.WriteLine(sb1.ToString());