static void Main(string[] args)
{
Programmer p = new Programmer();
Emp e = p as Emp;
if (e != null)
{
Console.WriteLine(e.ToString());
}
}
static void Main()
{
Programmer p = new Programmer();
Emp e = p as Emp; // 캐스팅이 안되면 null을 출력한다
if (e != null)
{
Console.WriteLine(e.ToString());
}
}
static void Main()
{
Programmer p = new
Programmer();
Emp e = p as Emp;
if (e != null)
{
System.Console.WriteLine(e.ToString());
}
}
