public static void Main(string[] args)
{
Dad obj = new Son(31, 32);
Console.WriteLine("Boom");
Son obj3 = obj is Son ? (Son)obj : null;
Son obj2 = obj as Son;
}
static void Main(string[] args)
{
Father son = new Son();
son.DoWork();
son.DoVirtualWork();
son.DoVirtualAll();
Console.WriteLine("-------------");
Father aGrandson = new Grandson();
aGrandson.DoWork();
aGrandson.DoVirtualWork();
aGrandson.DoVirtualAll();
/*output:
* Father.DoWork()
Father.DoVirtualWork()
Son.DoVirtualAll()
-------------
Father.DoWork()
Father.DoVirtualWork()
Son.DoVirtualAll()
Grandson.DoVirtualAll()
*/
//Son son = new Son();
//son.DoWork();
//son.DoVirtualWork();
//son.DoVirtualAll();
//Console.WriteLine("----------------");
//Grandson aGrandson = new Grandson();
//aGrandson.DoWork();
//aGrandson.DoVirtualWork();
//aGrandson.DoVirtualAll();
/*output:
* Son.DoWork()
Father.DoVirtualWork()
Son.DoVirtualWork()
Son.DoVirtualAll()
----------------
Son.DoWork()
Father.DoVirtualWork()
Son.DoVirtualWork()
Grandson.DoVirtualWork()
Son.DoVirtualAll()
Grandson.DoVirtualAll()
*
*/
Console.Read();
}
