I commented on this question that it was a duplicate of another, providing the link to the original question in my comment.
I then noticed 1) another user had already left a very similar comment, and 2) upon re-reading the question again that while the basic premise itself ("Why can't a Java interface have a constructor?") is a duplicate, the question-asker provided more details about what the he/she wanted to do which was not covered in the original qusetion.
After posting an answer, I deleted my original "This is a duplicate of..." comment.
I noticed a few minutes later in re-visiting this question that while my comment was deleted, the "Possible duplicate" comment left by a previous user now has my name next to it.
It seems that deleting my comment not only removed my comment but changed the author of the first comment.