Change of the toString implementation for annotations

Hello, I recognized a failing test on Java 9 caused by a changed return value returned by toString on an annotation with a class-property. When calling toString on an annotation: @interface Foo { Class<?> value(); } instantiated as @Foo(Bar.class) with Java 8 it would be printed as: @Foo(class Bar) while in Java 9 it is printed as: @Foo(Bar.class) Is this change intended? I do not see a big benefit of this implementation change and it could break code. In my case, the problem is not that big, it is an easy fix but still, I found it a bit surprising. Thank you. Best regards, Rafael