Bug 21677 – Inconsistency on when override is allowed for interface methods

This might be a dupe. ----- interface I1 { void foo (); } interface I2 : I1 {} void main () { class C1 : I2 { // fine override void foo () { } } abstract class B : I2 { } class C2 : B { // error? override void foo () { } // OK: // void foo () { } } } ----- I'm not sure if this is by design, but the compiler seems to disallow using the `override` keyword for implementing interface methods when there is an intermediate base class in-between. It makes it harder to write self-documenting code because I have to get rid of `override` and then it's not obvious that the method implements something from the interface.

It seems to work nowadays.