学生成绩管理系统设计-优快云博客

本文介绍了一个简单的学生成绩管理系统的设计与实现，系统使用Java编程语言，包含学生基本信息和成绩计算功能，如总分、平均分等。

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package student_control class Grade {
    private double english;
    private double math;
    private double chinese;
     
    public Grade(double english, double math, double chinese) {
        this.english = english;
        this.math = math;
        this.chinese = chinese;
    }
 
    public double total() {
        return  english + math + chinese;
    }
     
    public void printTotal() {
        System.out.println(total());
    }
     
    public double average() {
        return total() / 3;
    }
     
    public void printAverage() {
        System.out.println(average());
    }
    public double getEnglish() {
        return english;
    }
 
    public void setEnglish(double english) {
        this.english = english;
    }
 
    public double getMath() {
        return math;
    }
 
    public void setMath(double math) {
        this.math = math;
    }
 
    public double getChinese() {
        return chinese;
    }
 
    public void setChinese(double chinese) {
        this.chinese = chinese;
    }
}



public class Student {
    String name;
    Grade grade;
    public Student(String name, Grade grade) {
        this.name = name;
        this.grade = grade;
    }
     
    public static void main(String[] args) {
        Student s = new Student("李明", new Grade(90, 80, 70));
        s.grade.printAverage();
        s.grade.printTotal();
    }
}
李明 
90，80，70
80.0
240.0