public class Student { private String name; private int age; } List<Student> students = new ArrayList<>(); List<String> names = FluentIterable.from(students) .filter(student -> student.getAge() >= 18) .toSortedList((s1, s2) -> s2.getAge() - s1.getAge()) .limit(3) .transform(Student::getName) .toList(); System.out.println(names);