public void AsIsTest()
{
Person p = new Person();
Console.Write("Person: ");
Console.WriteLine(p.getName());
Object j = new John();
Object a = new Anne();
Object n = new Person();
Console.WriteLine("Cast to super class");
if (j is Person)
{
Person _j = j as Person;
Console.WriteLine(_j.getName());
}
if (a is Person)
{
Person _a = a as Person;
Console.WriteLine(_a.getName());
}
Console.WriteLine("Cast to specific class");
if (j is John)
{
John _j = j as John;
Console.WriteLine(_j.getName());
}
if (a is Anne)
{
Anne _a = a as Anne;
Console.WriteLine(_a.getName());
}
if (n is John)
{
Console.WriteLine("error");
}
}