static void Main(string[] args)
{
try
{
//We read the typed character
Console.Write("Choose a message type (A, B or C) : ");
char messageKey = Console.ReadKey().KeyChar;
Console.WriteLine("");
//Assessment algorithm optimisation:
//----------------------------------
//START
//Create the message matching the entered letter (A -> MessageA, B -> MessageB,...)
AbstractMessage message = MessageFactory(messageKey);
message.Execute();
//END
}
catch (Exception e)
{
Console.WriteLine("Message execution error : " + e.Message);
}
finally
{
Console.ReadKey();
}
}