JavaBean 规范设计学生类 Student：计算学生平均分并输出学生信息

{/n/'title/': /'JavaBean 规范设计学生类 Student：计算学生平均分并输出学生信息/',/n/'description/': /'本教程使用 JavaBean 规范设计一个名为 Student 的类，该类包含学号、姓名和成绩属性，并提供 toString 方法输出学生信息和 getAvg 方法计算学生平均分。文章还提供示例代码，演示如何创建学生对象数组、计算平均分并输出所有学生的信息。/',/n/'keywords/': /'JavaBean, Student 类, 学生信息, 平均分, getAvg 方法, toString 方法, 对象数组, 示例代码/',/n/'content/': /'1) Student.java//n//npublic class Student {//n private int no;//n private String name;//n private double score;//n//n public Student(int no, String name, double score) {//n this.no = no;//n this.name = name;//n this.score = score;//n }//n//n public int getNo() {//n return no;//n }//n//n public void setNo(int no) {//n this.no = no;//n }//n//n public String getName() {//n return name;//n }//n//n public void setName(String name) {//n this.name = name;//n }//n//n public double getScore() {//n return score;//n }//n//n public void setScore(double score) {//n this.score = score;//n }//n//n @Override//n public String toString() {//n return /'Student{/' +//n /'no=/' + no +//n /', name='/' + name + /''/' +//n /', score=/' + score +//n '}';//n }//n//n public static double getAvg(Student[] students) {//n double sum = 0;//n for (Student student : students) {//n sum += student.getScore();//n }//n return sum / students.length;//n }//n}//n//n2) Main.java//n//npublic class Main {//n public static void main(String[] args) {//n Student[] students = new Student[5];//n students[0] = new Student(1, /'Tom/', 90);//n students[1] = new Student(2, /'Jerry/', 85);//n students[2] = new Student(3, /'Alice/', 95);//n students[3] = new Student(4, /'Bob/', 88);//n students[4] = new Student(5, /'Lisa/', 92);//n//n double avg = Student.getAvg(students);//n System.out.println(/'Average score: /' + avg);//n//n for (Student student : students) {//n System.out.println(student.toString());//n }//n }//n}//n//n输出结果：//n//nAverage score: 90.0//nStudent{no=1, name='Tom', score=90.0}//nStudent{no=2, name='Jerry', score=85.0}//nStudent{no=3, name='Alice', score=95.0}//nStudent{no=4, name='Bob', score=88.0}//nStudent{no=5, name='Lisa', score=92.0}/