static void Main(string[] args)
{
Subject subject = new Subject();
BinaryObserver binaryObserver = new BinaryObserver();
OctalObserver octalObserver = new OctalObserver();
HexaObserver hexaObserver = new HexaObserver();
subject.Attach(binaryObserver);
subject.Attach(octalObserver);
subject.Attach(hexaObserver);
subject.SendMessage("Nofify Messages");
}
static void Main(string[] args)
{
Subject subject = new Subject();
BinaryObserver binaryObserver = new BinaryObserver(subject);
OctalObserver octalObserver = new OctalObserver(subject);
DecimalObserver decimalObserver = new DecimalObserver(subject);
HexaDecimalObserver hexaDecimalObserver = new HexaDecimalObserver(subject);
int state = 15;
Console.WriteLine($"First state: {state}");
subject.State = state;
state = 10;
Console.WriteLine($"Second state: {state}");
subject.State = state;
}