二维数组及循环题，统计全班学生成绩，输入学生学号及语文数学英语成绩

public class Student {
    private int studentId;
    private double chineseScore;
    private double mathScore;
    private double englishScore;

    // 构造方法和getter/setter方法
    // ...
}

List<Student> studentList = new ArrayList<>();

Scanner scanner = new Scanner(System.in);

// 获取学生数量
System.out.print("请输入班级学生人数：");
int studentCount = scanner.nextInt();
scanner.nextLine(); // 读取换行符

// 循环获取学生信息并添加到列表中
for (int i = 0; i < studentCount; i++) {
    System.out.println("请输入第 " + (i + 1) + " 个学生的信息：");

    // 获取学号
    System.out.print("学号：");
    int studentId = scanner.nextInt();
    scanner.nextLine(); // 读取换行符

    // 获取语文成绩
    System.out.print("语文成绩：");
    double chineseScore = scanner.nextDouble();
    scanner.nextLine(); // 读取换行符

    // 获取数学成绩
    System.out.print("数学成绩：");
    double mathScore = scanner.nextDouble();
    scanner.nextLine(); // 读取换行符

    // 获取英语成绩
    System.out.print("英语成绩：");
    double englishScore = scanner.nextDouble();
    scanner.nextLine(); // 读取换行符

    // 创建学生对象并添加到列表中
    Student student = new Student(studentId, chineseScore, mathScore, englishScore);
    studentList.add(student);
}

for (Student student : studentList) {
    int studentId = student.getStudentId();
    double chineseScore = student.getChineseScore();
    double mathScore = student.getMathScore();
    double englishScore = student.getEnglishScore();

    double totalScore = chineseScore + mathScore + englishScore;
    double averageScore = totalScore / 3;

    System.out.println("学号：" + studentId);
    System.out.println("语文成绩：" + chineseScore);
    System.out.println("数学成绩：" + mathScore);
    System.out.println("英语成绩：" + englishScore);
    System.out.println("总成绩：" + totalScore);
    System.out.println("平均成绩：" + averageScore);
    System.out.println("-------------------");
}