но не принимает расшифровку
package com.javarush.task.task18.task1826;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
public class Solution {
public static void main(String[] args) throws IOException {
switch (args[0]) {
case "-e":
FileInputStream fis = new FileInputStream(args[1]);
FileOutputStream fos = new FileOutputStream(args[2]);
while (fis.available() > 0) {
int data = fis.read() + 1;
fos.write(data);
}
fis.close();
fos.close();
break;
case "-d":
FileInputStream fis1 = new FileInputStream(args[1]);
FileOutputStream fos1 = new FileOutputStream(args[2]);
while (fis1.available() > 0) {
int data = fis1.read() - 1;
fos1.write(data);
fis1.close();
fos1.close();
break;
}
}
}
}