public static void Main(string[] args)
{
Student student1 = new Student(1, "M. Công", "Hà Nội", 30);
Student student2 = new Student();
student2.SetId(2);
student2.SetName("Ph. Quang Khánh");
student2.SetAddress("Lạng Sơn");
student2.SetAge(25);
Console.WriteLine(student1.ToString());
Console.WriteLine(student2.ToString());
Console.Read();
}
