Помогите пожалуйста
Что я делаю не так?
public class Solution {
public static void main(String[] args) throws Exception {
ArrayList list = new ArrayList();
Scanner scanner = new Scanner(System.in);
String console = scanner.nextLine();
FileInputStream fis = new FileInputStream(console);
while (fis.available() > 0){
list.add(fis.read());
}
Collections.sort(list);
for (int i = 0; i < list.size()-1; i++) {
if (list.get(i) != list.get(i+1)) {
System.out.print(list.get(i) + " ");
}
}
fis.close();
}
}package com.javarush.task.task18.task1805;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.util.*;
/*
Сортировка байт
*/
public class Solution {
public static void main(String[] args) throws Exception {
ArrayList list = new ArrayList();
Scanner scanner = new Scanner(System.in);
String console = scanner.nextLine();
FileInputStream fis = new FileInputStream(console);
while (fis.available() > 0){
list.add(fis.read());
}
Collections.sort(list);
for (int i = 0; i < list.size()-1; i++) {
if (list.get(i) != list.get(i+1)) {
System.out.print(list.get(i) + " ");
}
}
fis.close();
}
}