Вроде должно работать, но не хочет
package com.javarush.task.task18.task1817;
/*
Пробелы
*/
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
public class Solution {
public static void main(String[] args) throws IOException {
FileInputStream inputStream = new FileInputStream(args[0]);
int i = 0;
int countSpaces = 0;
int countAll = 0;
while (inputStream.available()>0){
i = inputStream.read();
char a = (char) i;
if(a == ' '){
countSpaces++;
}
countAll++;
}
inputStream.close();
double c = (double) (countSpaces/countAll)*100;
double t = Math.round(c*100);
c = t/100;
System.out.println(c);
}
}