static void Main(string[] args)
{
//List<Animal> listAnimal = new List<Animal>();
//Dog dog = new Dog();
//listAnimal.Add(dog);
//foreach (var item in listAnimal)
//{
// Console.WriteLine(item.ToString());
//}
//string str = "Hello";
//Console.WriteLine(str);
//TaphopAnimal animaltaphop = new TaphopAnimal();
//Dog dog = new Dog();
//dog.Name = "cho";
////dog.Name = "hi";
//animaltaphop.add(dog);
NhanVien objEmployee = new NhanVien();
objEmployee.Them(105, "Minh");
objEmployee.Them(106, "Quan");
Console.WriteLine("Ban dau trong Dictionary co nhung ban ghi sau:");
objEmployee.ChiTiet();
objEmployee.OnRemove(106);
Console.WriteLine("Sau khi xoa, Dictionary se chua cac ban ghi sau:");
objEmployee.ChiTiet();
}