public static StudentsInformation Instance()
{
if (studentsInformation == null)
{
studentsInformation = new StudentsInformation();
} // end if
return(studentsInformation);
} // end public static FriendsInformation Instance()
public static void Main(string[] args)
{
if (args.Length < 1)//this class is useless
{
PrintUsage();
}
else
{
//Info st = new Info();
StudentsInformation fi = StudentsInformation.Instance();
fi.Load();
String command = args[0].ToLower();
if (command == "list")
{
fi.Print();
}
else if (command == "add")
{
if (args.Length >= 3)
{
int id = int.Parse(Console.ReadLine());
String name = args[2];
fi.AddStudent(id, name);
fi.Save();
}
else
{
PrintUsage();
return;
} // end if
}
else if (command == "remove")
{
if (args.Length >= 2)
{
String name = args[1];
fi.RemoveStudent(name);
fi.Save();
}
else
{
PrintUsage();
return;
} // end if
}
else
{
Console.WriteLine("Command not found: " + command);
PrintUsage();
} // end if
}
// end if
Console.ReadLine();
} // end public static void Main(string[] args)
