static void Main(string[] args)
{
int ch;
GSM gsm = new GSM();
do
{
Console.WriteLine("1.Add Call");
Console.WriteLine("2.Delete Call");
Console.WriteLine("3.Delete all Calls");
Console.WriteLine("4.Total Price");
Console.WriteLine("5.Exit");
ch = Convert.ToInt32(Console.ReadLine());
switch (ch)
{
case 1: gsm.AddCalls(); break;
case 2: Console.WriteLine("Enter Date:(eg:21-08-2020)");
string date = Console.ReadLine();
Console.WriteLine("Enter StartTime:(eg:17:08)");
string time = Console.ReadLine();
gsm.DeleteCalls(date, time);
break;
case 3: gsm.DeleteAllCalls(); break;
case 4: Console.WriteLine("Enter price per second:");
double price = Convert.ToDouble(Console.ReadLine());
gsm.TotCost(price);
break;
}
}while(ch != 5);
}
static void Main(string[] args)
{
GSM.nokiaN95 = new GSM(
"N95", "Nokia", "Demo User", 70f,
new Battery("BL-5F", 192f, 2.5f, BatteryType.Li_Ion),
new Screen(2.8f, "TFT, 16M")
);
GSM.displayNokiaN95();
}