import java.util.stream.*;

​

public class prog {

    public static void main(String[] args){

        Stream<String> stream = Stream.of("넷", "둘", "하나", "셋");

        List<String> list = stream.collect(Collectors.toList());

        Iterator<String> iter = list.iterator();

        while (iter.hasNext()) {

            System.out.print(iter.next() + " ");

        }

    }

}