package study;
import java.util.Scanner;
public class Demo5 {
public static void main(String[] args) {
Demo5 test2 = new Demo5();
double avg=test2.calcAvg();
System.out.println(">>>该班级的平均成绩是:"+avg);
}
public double calcAvg() {
Scanner input=new Scanner(System.in);
int sum=0;
int scores[]=new int[4];
for (int i=0;i<scores.length;i++) {
System.out.print("请输入第"+(i+1)+"个学生的成绩:");
scores[i]=input.nextInt();
sum+=scores[i];
}
return sum/scores.length;
}
}
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