Sure, it is always a matter if OS vendors would invest in another systems language...

Someone said that 10 years ago. Whether it's true 5 years from
now entirely...

Sorry, I thought you meant it doesn't allow you to create a new object...

That is an anonymous class, that is defining and instantiating the class, which isn't...

This code works fine:
http://dpaste.dzfl.pl/c0b3a941d917

https://gist.github.com/JesseKPhillips/9147869

Two notes,

Creating an array required casting the first...

I'm talking about this:
http://joelabrahamsson.com/learning-scala-part-seven-traits/

D's object model works with interfaces.

That makes me sad that D has Java's object model rather than let's...

I meant it in the sense of actual slowdown related to binary size, or impossibility...