public void ShowIs()
{
ClassAA a = new ClassAA();
ClassAASub aSub = new ClassAASub();
bool isAA = aSub is ClassAA ? true : false;
bool isObject = aSub is object?true : false;
bool isInt = aSub is int?true : false;
Console.WriteLine("ClassAASub is ClassAA: {0} ", isAA);
Console.WriteLine("ClassAASub is object: {0} ", isObject);
Console.WriteLine("ClassAASub is ClassAA: {0} ", isInt);
}
public void ShowAs()
{
ClassAA a = new ClassAA();
JudgeType(a);
ClassAASub sub = new ClassAASub();
JudgeType(sub);
ClassAAA aa = new ClassAAA();
JudgeType(aa);
}
