static void Main(string[] args)
{
InstrumentFlyweightFactory factory = new InstrumentFlyweightFactory();
IInstrument instrument1 = factory.GetInstrument(InstrumentType.Violin);
IInstrument instrument2 = factory.GetInstrument(InstrumentType.Violin);
IInstrument instrument3 = factory.GetInstrument(InstrumentType.Drum);
IInstrument instrument4 = factory.GetInstrument(InstrumentType.Drum);
IInstrument instrument5 = factory.GetInstrument(InstrumentType.Trumpet);
IInstrument instrument6 = factory.GetInstrument(InstrumentType.Trumpet);
Console.WriteLine(instrument1.GetHashCode());
Console.WriteLine(instrument2.GetHashCode());
Console.WriteLine(instrument3.GetHashCode());
Console.WriteLine(instrument4.GetHashCode());
Console.WriteLine(instrument5.GetHashCode());
Console.WriteLine(instrument6.GetHashCode());
Console.ReadLine();
}
