package com.javarush.task.task18.task1826; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; /* Шифровка */ public class Solution { public static void main(String[] args) throws IOException { FileInputStream inputStream = new FileInputStream(args[1]); FileOutputStream outputStream = new FileOutputStream(args[2]); byte[] buff = new byte[inputStream.available()]; while (inputStream.available() > 0) { inputStream.read(buff); if (args[0].equals("-e")) { outputStream.write(encription((byte) inputStream.read())); } else if (args[0].equals("-d")) { outputStream.write(decription((byte) inputStream.read())); } } inputStream.close(); outputStream.close(); } public static byte encription(byte buff) { // for (byte i : buff) { if (buff>0 && buff<255) buff = (byte) (buff + 1); //} return buff; } public static byte decription(byte buff) { if (buff>0 && buff<255) buff = (byte) (buff + 1); return buff; } }