// "Replace with collect" "false" import java.util.*; public class Collect { class Person { String getName() { return ""; } } void collectNames(List<Person> persons){ final Set<String> names = new HashSet<>(), other = new HashSet<>(); if(persons != null) { for (Person person : pers<caret>ons) { names.add(person.getName()); } } System.out.println(names); } }