static void Main(string[] args)
{
GenericStack <int> intStack = new GenericStack <int>();
GenericStack <string> stringStack = new GenericStack <string>();
Console.WriteLine("Int type: {0}", intStack.GetType());
Console.WriteLine("String type: {0}", stringStack.GetType());
// wait for input before exiting
Console.WriteLine("Press enter to finish");
Console.ReadLine();
}
