What :: mean in java?

Question

What does "::" do in this code?

Files.walk(Paths.get("res")).forEach(System.out::println);

I know that we use ':' for an enhanced for loop but I never saw 2 of them together

possible duplicate of: http://stackoverflow.com/questions/20001427/double-colon-operator-in-java-8 — peshkira, Apr 01 '15 at 20:39

score 0 · Answer 1 · answered Apr 01 '15 at 20:38

0

Double colon :: is called Method Reference.

answered Apr 01 '15 at 20:38

Rahul Tripathi

1 Answers1