Java를 사용하여 온라인 시험 시스템의 시험 점수 분석 기능 구현

import java.util.ArrayList;
import java.util.Collections;

class Student {
    private String name;
    private int score;

    // 构造方法
    public Student(String name, int score) {
        this.name = name;
        this.score = score;
    }

    // 获取姓名
    public String getName() {
        return name;
    }

    // 获取成绩
    public int getScore() {
        return score;
    }
}

public class ExamScoreAnalyzer {

    public static void main(String[] args) {
        // 模拟从数据源获取学生成绩数据
        ArrayList<Student> students = new ArrayList<>();
        students.add(new Student("小明", 80));
        students.add(new Student("小红", 90));
        students.add(new Student("小刚", 70));
        students.add(new Student("小李", 85));
        students.add(new Student("小张", 95));

        // 计算平均成绩
        int sum = 0;
        for (Student student : students) {
            sum += student.getScore();
        }
        double averageScore = sum / students.size();
        System.out.println("平均成绩：" + averageScore);

        // 计算最高成绩
        int maxScore = Collections.max(students, (s1, s2) -> s1.getScore() - s2.getScore()).getScore();
        System.out.println("最高成绩：" + maxScore);

        // 计算最低成绩
        int minScore = Collections.min(students, (s1, s2) -> s1.getScore() - s2.getScore()).getScore();
        System.out.println("最低成绩：" + minScore);

        // 成绩排序
        Collections.sort(students, (s1, s2) -> s1.getScore() - s2.getScore());
        System.out.println("成绩排序：");
        for (Student student : students) {
            System.out.println(student.getName() + "：" + student.getScore());
        }
    }
}