// Import the ArrayList class and the Iterator class
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Objects;
public class Main {
  public static void main(String[] args) {
    // Create an ArrayList - this is a list organized as an array
    // add(...) adds a new microorganism to the end of the list
    ArrayList<String> microOrganisms = new ArrayList<String>();
    microOrganisms.add("Bacteria");
    microOrganisms.add("Archaea");
    microOrganisms.add("Protozoa");
    microOrganisms.add("Algae");
    microOrganisms.add("Fungi");
    microOrganisms.add("Helminths");
    microOrganisms.add("Viruses");
    // Get the iterator 
    // An ArrayList has a method iterator() that returns an iterator, similar to our example in class
    Iterator<String> it = microOrganisms.iterator();
    // Statement placed here
}
Which statements print out "Helminths" (when entered in method main() after "Statement placed here")?     
1) while (it.hasNext()) it.next();
   System.out.println(it.next());
2) while (it.hasNext()){
      String s = it.next();
      if (s.compareTo("Helminths")==0) {
          System.out.println(s); 
      }
   }
3) System.out.println(it.next());

4) String s = null;
   while (it.hasNext()){
     if (it.next().compareTo("Helminths")==0) {
        s = it.next();
        break;
     }
   }
   System.out.println(s);