In the JLS, 3.11. Separators, https://docs.oracle.com/javase/specs/jls/se8/html/jls-3.html#jls-3.12
Twelve tokens, formed from ASCII characters, are the separators (punctuators).
Separator:
(one of)
( ) { } [ ] ; , . ... @ ::
In particular, this will enable users to get more information about the double colon, which is used in method references but is not considered an operator.
Twelve tokens, formed from ASCII characters, are the separators (punctuators).
Separator:
(one of)
( ) { } [ ] ; , . ... @ ::
In particular, this will enable users to get more information about the double colon, which is used in method references but is not considered an operator.