Why is the print command executed although it is a comment?

Question

public class Comment
{
public static void main()
{
// \u000d System.out.println("comment executed");
}
}

Answer 1

Because \u000d is a unicode escape that is a carriage return, it is processed before compilation so it's Like there are 2 rows, one with just // and below the println, as it is not commented, it's executed

Answer 2

try to remove
\u000d

Answer 3

What is //\u000d mean?