Программа должна выводить количество скопированных байт.

package com.javarush.task.task09.task0928; import java.io.*; /* Код не компилится… */ public class Solution { public static void main(String[] args) throws IOException { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); String sourceFileName = reader.readLine(); InputStream fileInputStream; try { fileInputStream = getInputStream(sourceFileName); } catch (IOException e) { System.out.println("Файл не существует."); sourceFileName = reader.readLine(); fileInputStream = getInputStream(sourceFileName); } String destinationFileName = reader.readLine(); OutputStream fileOutputStream = getOutputStream(destinationFileName); while (fileInputStream.available() > 0) { int data = fileInputStream.read(); fileOutputStream.write(data); } } public static InputStream getInputStream(String fileName) throws IOException { return new FileInputStream(fileName); } public static OutputStream getOutputStream(String fileName) throws IOException { return new FileOutputStream(fileName); } }