83. Comparator로 점수 내림차순·동점 처리

1import java.util.ArrayList;
2import java.util.Collections;
3import java.util.List;
4 
5class Player {
6    String name;
7    int score;
8 
9    Player(String name, int score) {
10        this.name = name;
11        this.score = score;
12    }
13}
14 
15public class Main {
16    public static void main(String[] args) {
17        List<Player> list = new ArrayList<>();
18        list.add(new Player("Mina", 70));
19        list.add(new Player("Joon", 85));
20        list.add(new Player("Ari", 70));
21        list.add(new Player("Hana", 85));
22        Collections.sort(list, (a, b) -> {
23            if (a.score != b.score) {
24                return b.score - a.score;
25            }
26            return a.name.compareTo(b.name);
27        });
28        int rank = 1;
29        for (Player p : list) {
30            System.out.println(rank++ + ":" + p.name + "(" + p.score + ")");
31        }
32    }
33}