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Mar 22nd, 2017
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  1. package com.javarush.task.task18.task1817;
  2.  
  3. /*
  4. Пробелы
  5. */
  6.  
  7. import java.io.FileInputStream;
  8. import java.io.IOException;
  9. public class Solution
  10. {
  11. public static void main(String[] args) throws IOException
  12. {
  13. String nameF = args[0];
  14. FileInputStream inputStream = new FileInputStream (nameF);
  15. double space = 0;
  16. double simbol = 0;
  17. while (inputStream.available ( ) > 0) //пока остались непрочитанные байты
  18. {
  19. char data = (char) inputStream.read ( ); //прочитать очередной байт
  20. simbol++;
  21. if (data == 0x20)
  22. space++;
  23. }
  24. inputStream.close ( ); // закрываем поток
  25. System.out.println (String.format ("%.2f", space / simbol * 100.)); //выводим на экран.
  26. }
  27.  
  28. }
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