Парни хелпуйте!
package com.javarush.task.task18.task1817;
import java.io.FileInputStream;
public class Solution {
public static void main(String[] args) throws Exception {
FileInputStream fis = new FileInputStream(args[0]);
int numberOfSpaces = 0;
int fileLength = fis.available();
int fileLength1 = 00;
int data;
while (fis.available() > 0) {
fileLength1++;
data = fis.read();
if (data == 32) numberOfSpaces++;
}
fis.close();
double rate = numberOfSpaces / fileLength1*100;
System.out.printf("%2f", rate);
//System.out.println(Math.round(rate * 100));
//System.out.println(String.format("%s = %s", fileLength, fileLength1));
//(double)(Math.round(rate * 100)) / 100
}
}
// double rate = (double)numberOfSpaces / fileLength1;
// System.out.println((double)(Math.round(rate * 100)) / 100);
//System.out.println(Math.round(rate * 100));
//System.out.println(String.format("%s = %s", fileLength, fileLength1));