Final defenders

[Sergey Bylokhov]

>  public interface StatefulOp<T, U, V> {
>      public boolean isStateful() final {
>          return true;
>      }
> }
There is a lot of discussions about final keywords in java.  As far as I 
understand most of the peoples agrees that it would be better to have 
opposite keyword like "override" and final state by default.  Does 
anybody know, do we have such discussion for default methods?

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Best regards, Sergey.