static void Main()
{
Student stu = null;
if (StudentFactory.Create("Tim", 23, out stu))
{
Console.WriteLine("Student {0},age is {1}.", stu.Name, stu.Age);
}
}
static void Main(string[] args)
{
Student stu = null;
bool b = StudentFactory.Create("Tim", 23, out stu);
if (b == true)
{
Console.WriteLine("Student {0}, age is {1}.", stu.Name, stu.Age);
}
}
