题解 | HJ_68 #成绩排序#

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = Integer.parseInt(in.nextLine());
        int sort = Integer.parseInt(in.nextLine());
        List<Student> students = new ArrayList<>(n);
        for (int i = 0; i < n; i++) {
            String[] student = in.nextLine().split(" ");
            students.add(new Student(student[0], Integer.parseInt(student[1])));
        }
        students.stream().sorted(((o1, o2) -> {
            if (sort == 0) {
                return o2.score - o1.score;
            } else {
                return o1.score - o2.score;
            }
        })).forEach(System.out::println);
    }

    static class Student {
        private String name;
        private int score;

        public Student(String name, int score) {
            this.name = name;
            this.score = score;
        }

        @Override
        public String toString() {
            return name + " " + score;
        }
    }
}