Hi all,
someone showed my a rather strange thing with javac. It is not possible
to express this in normal Java, so I am not sure it works as intended.
imagine an interface:
interface A {
void foo();
}
and an implementing class:
abstract class B implements A {
synthetic void foo() {}
}
you will notice two possibly odd things here, the class B is abstract
even though it implements all methods, but that is legal. The other
thing is that he foo implementation is synthetic, which is a flag for
the method, but not a valid keyword in Java. Anyway, just imagine you
would have those two classe precompiled and now you want to compile this:
class C extends B{}
Now javac does not compile this. It complains that foo is not
implemented. And that is strange, because B does implement the method.
The only thing here is that the implementation method is synthetic. I
confirmed this here with 1.7.0-ea-b24 and someone else with other
versions of javac.
If I go and remove synthetic in B, then javac does compile it.
Now my question here is if javac is behaving correctly or not.
bye Jochen
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