Is it possible to call a method on a null object reference? Of course, not!
static void Main( string[] args )
{ Foo _foo = null; // will throw NullReferenceException Console.WriteLine( _foo.Bar() );
Console.ReadLine();
}
Oh, really?
Your goal is to provide all necessary auxiliary definitions and implementations so that the code above not only does not throw NullReferenceException but also writes “Hello world” at the console.
2 comments:
My solution using extension method:
public class Foo {}
public static class FooExtension
{
public static string Bar(this Foo foo)
{
return "Hello world";
}
}
class Program
{
static void Main(string[] args)
{
Foo _foo = null;
Console.WriteLine(_foo.Bar());
Console.ReadLine();
}
}
That's exactly what I've been thinking of. Regards :)
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