static void Main(string[] args)
{
sinhVien sv = new sinhVien();
Console.WriteLine("NHAP ten: ");
sv.Hoten = Console.ReadLine();
Console.WriteLine("" + sv.Hoten);
}
public void nhapds()
{
Console.Write("nhap so luong sinh vien: ");
n = Convert.ToInt32(Console.ReadLine());
slsv = new sinhVien[n];
for (int i = 0; i < n; i++)
{
slsv[i] = new sinhVien();
slsv[i].Nhap();
}
}