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Sergio Gazzini

Joined: May 29, 2011
Posts: 12
In docs:
"The common interface extended by all annotation types. Note that an interface that manually extends this one does not define an annotation type. Also note that this interface does not itself define an annotation type."
But what means "manually extends"?
Which another way to extend interface?
Jesper de Jong
Java Cowboy
Saloon Keeper

Joined: Aug 16, 2005
Posts: 14655

It means that if you write code like this:

in other words, you create an interface that explicitly extends Annotation, then MyAnnotationButNotReally is not an annotation.

You create annotations using @interface instead:

Java Beginners FAQ - JavaRanch SCJP FAQ - The Java Tutorial - Java SE 8 API documentation
I agree. Here's the link:
subject: annotation