[3066] in java-interest
Re: another compiler bug -- specialization of abstract classes
daemon@ATHENA.MIT.EDU (Arthur van Hoff)
Sat Oct 28 15:45:19 1995
Date: Sat, 28 Oct 1995 10:28:39 -0700
From: Arthur.Vanhoff@Eng.Sun.COM (Arthur van Hoff)
To: andruid@SPARKY.CS.NYU.EDU
Cc: java-interest@java.Eng.Sun.COM
Hi Andruid,
> It seems that the compiler rejects this because the argument is
> declared as the abstract class. This looks wrong.
We don't support co-variant subtyping of return types in overriding
methods. Methods only override each other if the signatures are identical!
Have fun,
Arthur van Hoff
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