数组操作索引得结果

public class Demo1 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("学生人数：");
        int n = scanner.nextInt();

        double[] studentScores = new double[n];
        String[] studentNames = new String[n];
        int i = 0;
       //录入姓名分数
        for (i = 0; i < n; i++) {
            System.out.println("请输入学生姓名：");
            String studentName = scanner.next();
            System.out.println("请输入" + studentName + "的成绩：");
            double inputScore = scanner.nextDouble();
          //存入到数组中
            studentScores[i] = inputScore;
            studentNames[i] = studentName;
        }
       //总分和平均分
        double sum = 0;
        for (i = 0; i < n; i++) {
            System.out.println(studentNames[i] + "的成绩：" + studentScores[i]);
        }
        for (double score : studentScores) {
            sum += score;
        }
        System.out.println("总分为：" + sum + "\t平均分为：" + sum / n);
        //最高分和最低分
        //假设数组中第一个元素值为最大值或最小值
        int maxIndex = 0;
        int minIndex = 0;
        //依次比较
        for ( i = 0; i < studentScores.length; i++) {
            if (studentScores[i] > studentScores[maxIndex]) {
                maxIndex = i;
            }
            if (studentScores[i] < studentScores[minIndex]) {
                minIndex = i;
            }
        }
        System.out.println("最高分：" + studentScores[maxIndex] + "\t姓名：" + studentNames[maxIndex]);
        System.out.println("最低分：" + studentScores[minIndex] + "\t姓名：" + studentNames[minIndex]);
    }
}