Java tutorial
import java.util.Arrays; import java.util.List; import java.util.Optional; public class Main { public static void main(String[] args) { List<String> names = Arrays.asList("XML", "HTML", "CSS", "Javascript", "Java", "Static"); Optional<String> longestName = names.stream() .reduce((name1, name2) -> name1.length() >= name2.length() ? name1 : name2); if (longestName.isPresent()) { System.out.println(longestName.get()); } else { System.out.println("WTF?"); } } }