Currently showing answers but showing extra answers on top. not sure where is the problem.
package com.codegym.task.task05.task0507;
/*
Arithmetic mean
*/
import java.io.BufferedReader;
import java.io.InputStreamReader;
public class Solution {
public static void main(String[] args) throws Exception {
//write your code here
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
double sum = 0;
int count = 0;
double mean = 0;
while ( true ){
int num = Integer.parseInt(reader.readLine());
if( num == -1){
break;
}else if (num!= -1) {
count++;
sum +=num;
}
mean = sum /count;
System.out.println(mean);
}
}
}