On 28 September 2010 15:42, Luc Maisonobe <luc.maison...@free.fr> wrote: > Le 28/09/2010 16:25, Gilles Sadowski a écrit : >>> >>> It seems some recent changes break compilation. Not in this specific >>> set, but probably one of the previous ones from today or yesterday. >> >> Break compilation? >> "mvn clean site" produces a "BUILD SUCCESSFUL" here. >> >>> The problems are some @Override annotations in BetaDistributionImpl >>> (getAlpha, getBeta), GammaDistributionImpl (getalpha, getBeta) and >>> ExponentialDistributionImpl (getMean). They directly implement >>> interfaces and do not extend a superclass, so the Override annotation >>> generates an error (at least on Eclipse). >> >> So, does that mean that Eclipse refuses to compile because of annotations? > > Yes. > >> Seems a bug in Eclipse...
It's an incompatibilty between Java 1.5 and Java 1.6. > No, it is the expected behaviour, or at least it is what I understand > from this: > <http://java.sun.com/docs/books/jls/third_edition/html/interfaces.html#9.6.1.4> > > "Note that if a method overrides a method from a superinterface but > not from a superclass, using @Override will cause a compile-time > error." > This is only true for Java 1.5. >> >> Is it the expected behaviour that "@Override" only means "overrides a >> method in a class but not in an interface"? > > Yes. > >> >> [Anyway, I'll try and remove the annotations in all those problematic >> cases. I thought I was being nice in putting them :-}.] > > I agree this is strange. They explain the rationale for it in the link > above. ... where they say that using @Override for interface implementations would be confusing. But unfortunately they changed their minds with Java 1.6 - implementations of interfaces should now have @Override tags. You can change the Eclipse settings to stop reporting this: Properties | Java Compiler | Errors/Warnings | Annotations | Missing '@Override' | Include implementations of interface methods (1.6 or higher) I could not find an updated JLS which documents this. --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org For additional commands, e-mail: dev-h...@commons.apache.org
