[백준/Baekjoon] 1181번 단어 정렬 (Java)

 

 

예제 입력1

13
but
i
wont
hesitate
no
more
no
more
it
cannot
wait
im
yours

예제 출력1

i
im
it
no
but
more
wait
wont
yours
cannot
hesitate

 

답안

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int num = Integer.parseInt(scan.nextLine());

        List<String> list = new ArrayList<>();
        for(int i = 0; i < num; i++){
            String x = scan.nextLine();
            list.add(x);
        }
        Collections.sort(list, Comparator.comparingInt(String::length).thenComparing(Comparator.naturalOrder()));

        Set<String> hashSet = new LinkedHashSet<>(list);

        for (String element : hashSet) {
            System.out.println(element);
        }
    }
}

 

https://manybean.tistory.com/entry/Java-Comparator

[Java] Comparator