(java) Method References

Method References ? Introduced in Java 8 "`::" is short hand for calling methods in functional programming. It used to be myList.stream().anyMatch(u -> User.isRealUser(u)) For a static method myList.stream().anyMatch(User\:\:isAdmin) For an instance method myList.stream().anyMatch(user\:\:isAdmin) For an object method long numEmpty = myStringList.stream().filter(String\:\:isEmpty).count() For a constructor Stream<User> myEmptyObjects = array.stream().map(User::new);