Java는 온라인 시험 시스템의 시험 점수 분포 통계 모듈을 준비합니다.

public class GradeDistribution {
    private int[] grades;  // 存储学生的成绩
    private int count;     // 记录学生人数

    public GradeDistribution(int[] grades) {
        this.grades = grades;
        this.count = grades.length;
    }

    public int getHighestGrade() {
        // 获取最高成绩
        int highest = grades[0];
        for (int i = 1; i < count; i++) {
            if (grades[i] > highest) {
                highest = grades[i];
            }
        }
        return highest;
    }

    public int getLowestGrade() {
        // 获取最低成绩
        int lowest = grades[0];
        for (int i = 1; i < count; i++) {
            if (grades[i] < lowest) {
                lowest = grades[i];
            }
        }
        return lowest;
    }

    public double getAverageGrade() {
        // 获取平均成绩
        int sum = 0;
        for (int i = 0; i < count; i++) {
            sum += grades[i];
        }
        return (double) sum / count;
    }

    public int getNumOfPass() {
        // 获取及格人数
        int pass = 0;
        for (int i = 0; i < count; i++) {
            if (grades[i] >= 60) {
                pass++;
            }
        }
        return pass;
    }

    public int getNumOfFail() {
        // 获取不及格人数
        return count - getNumOfPass();
    }

    public int getNumOfTopGrade() {
        // 获取满分人数
        int top = 0;
        for (int i = 0; i < count; i++) {
            if (grades[i] == 100) {
                top++;
            }
        }
        return top;
    }
}

public class Main {
    public static void main(String[] args) {
        int[] grades = {78, 90, 83, 65, 92, 87, 68, 73, 79, 85};
        GradeDistribution distribution = new GradeDistribution(grades);

        System.out.println("最高成绩：" + distribution.getHighestGrade());
        System.out.println("最低成绩：" + distribution.getLowestGrade());
        System.out.println("平均成绩：" + distribution.getAverageGrade());
        System.out.println("及格人数：" + distribution.getNumOfPass());
        System.out.println("不及格人数：" + distribution.getNumOfFail());
        System.out.println("满分人数：" + distribution.getNumOfTopGrade());
    }
}