정보처리기사 실기 Java - Comparator 람다 정렬 기출문제 #2644

다음 Java 코드의 실행 결과를 쓰시오.

Java
import java.util.*;
import java.util.stream.*;
public class Main {
    public static void main(String[] args) {
        List<Person> people = Arrays.asList(
            new Person("Alice", 25),
            new Person("Bob", 30),
            new Person("Charlie", 20)
        );
        
        people.stream()
              .sorted(Comparator.comparing(Person::getAge).reversed()
                     .thenComparing(p -> p.getName().length()))
              .limit(2)
              .forEach(p -> System.out.print(p.getName().charAt(0)));
    }
}

class Person {
    private String name;
    private int age;
    
    public Person(String name, int age) {
        this.name = name;
        this.age = age;
    }
    
    public String getName() { return name; }
    public int getAge() { return age; }
}