为什么我其他数算的都是对的 唯独 1 2 2 4 5算的是2.0呀 正确答案应该是2.8
package zh.codegym.task.task05.task0507;
import java.io.BufferedReader;
import java.io.InputStreamReader;
/*
算术平均值
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader Reader = new BufferedReader(new InputStreamReader(System.in));
int sum = 0;
int count = 0;
while (true) {
int number = Integer.parseInt(Reader.readLine());
if (number == -1){
double i = sum/count;
System.out.println(i);
return;
}else{count++;
sum += number;
}
}
}
}