static void Main(string[] args)
{
GenericList <int> integerList = new GenericList <int>();
GenericList <string> stringList = new GenericList <string>();
integerList.AddData(1);
integerList.AddData(2);
integerList.AddData(3);
stringList.AddData("Ajay");
stringList.AddData("M.");
integerList.showList();
stringList.showList();
Console.ReadKey();
}