What will be the output of the following program?
import java.util.*;
public class NumbersCanBeConfusing {
public static void main(String[] args) {
String[] runs = {"two", "four", "one", "six", "two", "six", "zero", "four", "one", "two", "zero", "zero"};
List<String> list = new ArrayList<String>();
list.addAll(new HashSet<String>(Arrays.asList(runs)));
Collections.sort(list);
list.set(3, "three");
list.addAll(list.subList(1, list.size() - 1));
list.remove(2);
list.add(1, "six");
System.out.println(list);
}
}