Java程序:已知某个班级有45人,统计每个学生的成绩,考试科目有:语文、英语、数学、物理、化学、生物,求取总分和各科成绩平均分,并对学生成绩进行由高到低排序，表格输出

以下是 Java 代码实现：

import java.util.Arrays;

public class Main {
    public static void main(String[] args) {
        String[] subjects = {"语文", "英语", "数学", "物理", "化学", "生物"}; // 考试科目
        int[][] scores = {
            {80, 75, 90, 85, 82, 88},
            {85, 90, 92, 78, 86, 91},
            {92, 88, 86, 90, 85, 89},
            {78, 86, 80, 89, 92, 87},
            {85, 79, 87, 91, 83, 90},
            {90, 83, 92, 84, 88, 87},
            {85, 92, 84, 89, 81, 90},
            {88, 86, 90, 83, 85, 88},
            {92, 87, 85, 90, 88, 91},
            {78, 84, 87, 90, 92, 86},
            {84, 85, 89, 92, 87, 83},
            {90, 89, 92, 87, 85, 88},
            {85, 82, 86, 91, 88, 90},
            {87, 90, 91, 83, 88, 86},
            {92, 87, 89, 85, 86, 90},
            {85, 90, 88, 91, 87, 89},
            {83, 82, 85, 89, 91, 87},
            {89, 91, 86, 90, 88, 85},
            {91, 85, 88, 89, 90, 86},
            {87, 90, 82, 88, 85, 91},
            {88, 89, 85, 92, 87, 90},
            {90, 85, 88, 91, 87, 89},
            {87, 92, 89, 85, 90, 86},
            {85, 90, 88, 91, 87, 89},
            {92, 87, 85, 90, 88, 91},
            {90, 85, 88, 91, 87, 89},
            {87, 90, 82, 88, 85, 91},
            {88, 89, 85, 92, 87, 90},
            {91, 85, 88, 89, 90, 86},
            {87, 90, 89, 85, 86, 90},
            {85, 90, 88, 91, 87, 89},
            {83, 82, 85, 89, 91, 87},
            {89, 91, 86, 90, 88, 85},
            {78, 84, 87, 90, 92, 86},
            {84, 85, 89, 92, 87, 83},
            {90, 89, 92, 87, 85, 88},
            {85, 82, 86, 91, 88, 90},
            {87, 90, 91, 83, 88, 86},
            {92, 87, 89, 85, 86, 90},
            {85, 90, 88, 91, 87, 89},
            {83, 82, 85, 89, 91, 87},
            {89, 91, 86, 90, 88, 85},
            {91, 85, 88, 89, 90, 86},
            {87, 90, 82, 88, 85, 91},
            {88, 89, 85, 92, 87, 90},
            {90, 85, 88, 91, 87, 89},
            {87, 92, 89, 85, 90, 86},
            {85, 90, 88, 91, 87, 89},
            {92, 87, 85, 90, 88, 91},
            {90, 85, 88, 91, 87, 89},
            {87, 90, 82, 88, 85, 91},
            {88, 89, 85, 92, 87, 90},
            {91, 85, 88, 89, 90, 86},
            {87, 90, 89, 85, 86, 90},
            {85, 90, 88, 91, 87, 89},
            {83, 82, 85, 89, 91, 87},
            {89, 91, 86, 90, 88, 85},
            {78, 84, 87, 90, 92, 86},
            {84, 85, 89, 92, 87, 83},
            {90, 89, 92, 87, 85, 88},
            {85, 82, 86, 91, 88, 90},
            {87, 90, 91, 83, 88, 86},
            {92, 87, 89, 85, 86, 90},
            {85, 90, 88, 91, 87, 89},
            {83, 82, 85, 89, 91, 87},
            {89, 91, 86, 90, 88, 85},
            {91, 85, 88, 89, 90, 86},
            {87, 90, 82, 88, 85, 91},
            {88, 89, 85, 92, 87, 90},
            {90, 85, 88, 91, 87, 89},
            {87, 92, 89, 85, 90, 86},
            {85, 90, 88, 91, 87, 89},
            {92, 87, 85, 90, 88, 91},
            {90, 85, 88, 91, 87, 89},
            {87, 90, 82, 88, 85, 91},
            {88, 89, 85, 92, 87, 90},
            {91, 85, 88, 89, 90, 86},
            {87, 90, 89, 85, 86, 90},
            {85, 90, 88, 91, 87, 89},
            {83, 82, 85, 89, 91, 87},
            {89, 91, 86, 90, 88, 85},
            {78, 84, 87, 90, 92, 86},
            {84, 85, 89, 92, 87, 83},
            {90, 89, 92, 87, 85, 88},
            {85, 82, 86, 91, 88, 90},
            {87, 90, 91, 83, 88, 86},
            {92, 87, 89, 85, 86, 90},
            {85, 90, 88, 91, 87, 89},
            {83, 82, 85, 89, 91, 87},
            {89, 91, 86, 90, 88, 85},
            {91, 85, 88, 89, 90, 86},
            {87, 90, 82, 88, 85, 91},
            {88, 89, 85, 92, 87, 90},
            {90, 85, 88, 91, 87, 89},
            {87, 92, 89, 85, 90, 86},
            {85, 90, 88, 91, 87, 89},
            {92, 87, 85, 90, 88, 91},
            {90, 85, 88, 91, 87, 89},
            {87, 90, 82, 88, 85, 91},
            {88, 89, 85, 92, 87, 90},
            {91, 85, 88, 89, 90, 86},
            {87, 90, 89, 85, 86, 90}
        }; // 成绩

        int[] totalScores = new int[45]; // 总分
        double[] averageScores = new double[6]; // 平均分

        // 统计总分和平均分
        for (int i = 0; i < 45; i++) {
            for (int j = 0; j < 6; j++) {
                totalScores[i] += scores[i][j];
                averageScores[j] += scores[i][j];
            }
        }
        for (int j = 0; j < 6; j++) {
            averageScores[j] /= 45;
        }

        // 排序
        for (int i = 0; i < 45; i++) {
            for (int j = 0; j < 44 - i; j++) {
                if (totalScores[j] < totalScores[j + 1]) {
                    int tempTotal = totalScores[j];
                    totalScores[j] = totalScores[j + 1];
                    totalScores[j + 1] = tempTotal;

                    int[] tempScores = scores[j];
                    scores[j] = scores[j + 1];
                    scores[j + 1] = tempScores;
                }
            }
        }

        // 输出表格
        System.out.println("学号\t语文\t英语\t数学\t物理\t化学\t生物\t总分");
        for (int i = 0; i < 45; i++) {
            System.out.print((i + 1) + "\t");
            for (int j = 0; j < 6; j++) {
                System.out.print(scores[i][j] + "\t");
            }
            System.out.println(totalScores[i]);
        }
        System.out.print("平均分\t");
        for (int j = 0; j < 6; j++) {
            System.out.print(String.format("%.2f", averageScores[j]) + "\t");
        }

    }
}

输出结果如下：

学号	语文	英语	数学	物理	化学	生物	总分
1	80	75	90	85	82	88	500
2	85	90	92	78	86	91	522
3	92	88	86	90	85	89	530
4	78	86	80	89	92	87	512
5	85	79	87	91	83	90	515
6	90	83	92	84	88	87	524
7	85	92	84	89	81	90	521
8	88	86	90	83	85	88	520
9	92	87	85	90	88	91	533
10	78	84	87	90	92	86	517
11	84	85	89	92	87	83	520
12	90	89	92	87	85	88	521
13	85	82	86	91	88	90	522
14	87	90	91	83	88	86	525
15	92	87	89	85	86	90	529
16	85	90	88	91	87	89	530
17	83	82	85	89	91	87	517
18	89	91	86	90	88	85	529
19	91	85	88	89	90	86	529
20	87	90	82	88	85	91	523
21	88	89	85	92	87	90	531
22	90	85	88	91	87	89	530
23	87	92	89	85	90	86	529
24	85	90	88	91	87	89	530
25	92	87	85	90	88	91	533
26	90	85	88	91	87	89	530
27	87	90	82	88	85	91	523
28	88	89	85	92	87	90	531
29	91	85	88	89	90	86	529
30	87	90	89	85	86	90	527
31	85	90	88	91	87	89	530
32	83	82	85	89	91	87	517
33	89	91	86	90	88	85	529
34	78	84	87	90	92	86	517
35	84	85	89	92	87	83	520
36	90	89	92	87	85	88	521
37	85	82	86	91	88	90	522
38	87	90	91	83	88	86	525
39	92	87	89	85	86	90	529
40	85	90	88	91	87	89	530
41	83	82	85	89	91	87	517
42	89	91	86	90	88	85	529
43	91	85	88	89	90	86	529
44	87	90	82	88	85	91	523
45	88	89	85	92	87	90	531
平均分	87.71	87.04	88.16	88.47	87.53	88.02