help
package com.javarush.task.task18.task1826;
import java.io.*;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Arrays;
/*
Шифровка
*/
public class Solution {
public static void main(String[] args) throws FileNotFoundException, IOException{
FileInputStream input = new FileInputStream(new File(args[1]));
FileOutputStream output = new FileOutputStream(new File(args[2]));
if (args[0].equals("-e")){
while (input.available()>0){
output.write(input.read()+1);
}
input.close();
output.close();
}
else if (args[0].equals("-d")){
int i =0;
byte[] buffer = new byte[input.available()];
ArrayList<Byte> byt = new ArrayList<Byte>();
byte[] buff = new byte[input.available()/2];
while (input.available()>0){
output.write(input.read());
input.read();
}
}
}
}