import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
public class Main {
public static void main(String[] args) {
List<String> friends = Arrays.asList("CSS", "HTML", "Oracle", "Dart");
Comparator<String> compByLength = (aName, bName) -> aName.length() - bName.length();
friends.stream().sorted(compByLength).forEach(System.out::println);
}
}