static void Main(string[] args)
{
//TupleTest ts = new TupleTest(233, 322);
//Console.WriteLine(ts.getData1().Item1 + " " + ts.getData1().Item2);
//ListProducts lst1 = new ListProducts();
//lst1[0] = new Product { id = 23, tensp = "ko biet" };
//Console.WriteLine(lst1[0].id);
//AbClass sd = new AbClass { number = 2, number2 = 34 };
//Console.WriteLine(DaoNguocTen(" a Nguyen Binh An s ") + "||||");
//TamGiacCan(8);
ConcreteClass1 c1 = new ConcreteClass1();
ConcreteClass1 c2 = new ConcreteClass1();
ConcreteClass1 c3 = new ConcreteClass1();
Ab_Class1 c4 = new ConcreteClass1();
Console.WriteLine(c1.getNCon());
Console.WriteLine(c1.getNNumber());
User user = new User.Builder().setName("An").setId(1).build();
}
