第八章 4

package a8;


import java.util.Scanner;


public class C4 {
public static void main(String[] args) {
int classes = 3;
int students = 4;
int scores = 0;
int sum = 0;
int good = 0;
double avg = 0;
Scanner input = new Scanner(System.in);
for(int i = 1;i <= classes;i++) {
System.out.print("请输入"+i+"班");
for(int j = 1;j <= students;j++) {
System.out.print("\t"+"第"+j+"位同学成绩：");
scores = input.nextInt();
if(scores > 85) {
good++;
sum += scores;
}
}
}
avg = (double)sum/good;
System.out.println(avg);
}
}