package Javamianxiangduixiangjiaocheng;

import java.util.Scanner;

public class HelloWorld {

/**

* @param args

*/

public static void main(String[] args)

{

System.out.println("請輸入若干個數，每個輸入一個數回車確認。");

System.out.println("最后輸入數字零作為確認");

Scanner reader=new Scanner(System.in);

double sum=0;

int m=0;

double x=reader.nextDouble();

while(x!=0)

{

m=m+1;

sum=sum+x;

x=reader.nextDouble();

}

System.out.printf("%d,%f",m +"個數的和為"+sum);

System.out.println(m+"個數的平均值為"+sum/m);

//System.out.printf("%d,%f",12,12.23);

}

}