"interfaces don't have a runtime representation" I was looking for a good way to say that while writing the article, this is a very good way ! Thanks Also I lik

"interfaces don't have a runtime representation" I was looking for a good way to say that while writing the article, this is a very good way ! Thanks Also I like that you think about the use of instanceof, I didn't really think of that, but some devs use this condition intensively.