public class Grade { private double english; private double math; private double sql; public Grade(double english, double math, double sql) { this.english = english; this.math = math; this.sql = sql; } public double total() { return english + math + sql; } 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 getSql() { return sql; } public void setSql(double sql) { this.sql = sql; }} 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("Cici", new Grade(100, 94, 90));
s.grade.printAverage();
s.grade.printTotal();
}
}
结果：
94.66666
284.0
设计10名学生成绩信息，同学有3门课程，计算同学的总成绩和平均分。 排序输出
原文：https://www.cnblogs.com/WCL00000/p/9102552.html