Помогите пожалуйста

package com.javarush.task.task31.task3113; import java.io.BufferedReader; import java.io.File; import java.io.IOException; import java.io.InputStreamReader; import java.nio.file.*; import java.nio.file.attribute.BasicFileAttributes; /* Что внутри папки? */ public class Solution { public static class Count extends SimpleFileVisitor<Path> { int countMap = 0; int countFiles = 0; long size = 0; @Override public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException { countFiles ++; // File dir = new File(String.valueOf(file)); // size += dir.length(); size += Files.readAllBytes(file).length; return FileVisitResult.CONTINUE; } @Override public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException { countMap ++; return FileVisitResult.CONTINUE; } } public static void main(String[] args) throws IOException { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); String path = reader.readLine(); Path pathFile = Paths.get(path); if (!Files.isDirectory(pathFile)) { System.out.println(pathFile.toAbsolutePath().toString() + " — не папка"); // System.out.println(pathFile.toString() + " — не папка"); return; } else { Count count = new Count(); Files.walkFileTree (pathFile, count ); System.out.println("Всего папок - " + (count.countMap - 1)); System.out.println("Всего файлов - " + count.countFiles); System.out.println("Общий размер - " + count.size); } // reader.close(); } }