127 : 반복제어문1 - 형성평가3

Java

import java.util.Scanner;
 
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int num = 0, sum = 0;
        int count = 0;
        double avg = 0;
 
        while (true) {
            num = sc.nextInt();
            if ((0 <= num) && (num <= 100)){
                sum += num;
                count++;
            }
            else
                break;
        }
 
        avg = (double)sum/count;
 
        System.out.printf("sum : %d\n", sum);
        System.out.printf("avg : %.1f", avg);
    }
}