private static void SingletonPatternDemo()
{
SerialNumberGeneratorGadgetSmall generatorGadgetSmall = SerialNumberGeneratorGadgetSmall.Instance;
Console.WriteLine("gadget small next serial number: " + generatorGadgetSmall.NextSerial);
SerialNumberGeneratorGadgetMedium generatorGadgetMedium = SerialNumberGeneratorGadgetMedium.Instance;
Console.WriteLine("gadget medium next serial number: " + generatorGadgetMedium.NextSerial);
SerialNumberGeneratorGadgetLarge generatorGadgetLarge = SerialNumberGeneratorGadgetLarge.Instance;
Console.WriteLine("gadget large next serial number: " + generatorGadgetLarge.NextSerial);
SerialNumberGeneratorWidgetSmall generatorWidgetSmall = SerialNumberGeneratorWidgetSmall.Instance;
Console.WriteLine("widget small next serial number: " + generatorWidgetSmall.NextSerial);
SerialNumberGeneratorWidgetMedium generatorWidgetMedium = SerialNumberGeneratorWidgetMedium.Instance;
Console.WriteLine("widget medium next serial number: " + generatorWidgetMedium.NextSerial);
SerialNumberGeneratorWidgetLarge generatorWidgetLarge = SerialNumberGeneratorWidgetLarge.Instance;
Console.WriteLine("widget large next serial number: " + generatorWidgetLarge.NextSerial);
}
static void Main(string[] args)
{
SerialNumberGeneratorGadgetSmall generatorGadgetSmall = SerialNumberGeneratorGadgetSmall.Instance;
Console.WriteLine("gadget small next serial number: " + generatorGadgetSmall.NextSerial);
SerialNumberGeneratorGadgetMedium generatorGadgetMedium = SerialNumberGeneratorGadgetMedium.Instance;
Console.WriteLine("gadget medium next serial number: " + generatorGadgetMedium.NextSerial);
SerialNumberGeneratorGadgetLarge generatorGadgetLarge = SerialNumberGeneratorGadgetLarge.Instance;
Console.WriteLine("gadget large next serial number: " + generatorGadgetLarge.NextSerial);
SerialNumberGeneratorWidgetSmall generatorWidgetSmall = SerialNumberGeneratorWidgetSmall.Instance;
Console.WriteLine("widget small next serial number: " + generatorWidgetSmall.NextSerial);
SerialNumberGeneratorWidgetMedium generatorWidgetMedium = SerialNumberGeneratorWidgetMedium.Instance;
Console.WriteLine("widget medium next serial number: " + generatorWidgetMedium.NextSerial);
SerialNumberGeneratorWidgetLarge generatorWidgetLarge = SerialNumberGeneratorWidgetLarge.Instance;
Console.WriteLine("widget large next serial number: " + generatorWidgetLarge.NextSerial);
}