static void Main(string[] args)
{
if (args.Length == 0)
{
// If they provide no arguments, display the last person
Person p = Deserialize();
Console.WriteLine(p.ToString());
}
else
{
try
{
if (args.Length != 4)
{
throw new ArgumentException("You must provide four arguments.");
}
DateTime dob = new DateTime(Int32.Parse(args[1]), Int32.Parse(args[2]), Int32.Parse(args[3]));
Person p = new Person(args[0], dob);
Console.WriteLine(p.ToString());
Serialize(p);
}
catch (Exception ex)
{
DisplayUsageInformation(ex.Message);
}
}
}
