// "Replace with collect" "true" | |
import java.util.*; | |
import java.util.stream.Collectors; | |
public class Collect { | |
class Person { | |
String getName() { | |
return ""; | |
} | |
} | |
Set<String> names = new HashSet<>(); | |
void collectNames(List<Person> persons){ | |
names.addAll(persons.stream().map(Person::getName).collect(Collectors.toList())); | |
} | |
} |