Define an array to store the grades of 5 students, input the grades of each student through the console, and print out the grades and average grades of each student.

 

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package JavaEEtest;

import java.util.Scanner;

public class Student {
//    定义一个数组存储5位学员成绩，通过控制台输入每位学员成绩，
//    并打印输出每位学员成绩和平均成绩。
    public static void main(String args[]){
        float stuscore[]= new float[5];
        float score;
        float aver;
        float sum=0;
        int stunum=0;//学员人数
        Scanner input = new Scanner(System.in);
        for (int i=0;i<5;i++){
            System.out.println("请输入第"+(i+1)+"位学员的成绩：");
            stuscore[i]=input.nextFloat();
        }
        System.out.println("每位学员的成绩如下：");
        for (int i=0;i<5;i++){
            System.out.println("第"+(i+1)+"位学员的成绩："+stuscore[i]);
            stunum++;   //学生人数自增
            sum+=stuscore[i];
        }
            aver=sum/stunum;
            System.out.print("所有学员的平均成绩："+aver);

    }
}