Подскажите, пожалуйста, где ошибка?
package com.javarush.task.pro.task15.task1506;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.List;
import java.util.Scanner;
import static java.nio.file.Files.readAllLines;
/*
Фейсконтроль
*/
public class Solution {
public static void main(String[] args) {
try (Scanner scanner = new Scanner (System.in))
{ List<String> buffer = readAllLines(Paths.get(scanner.nextLine()));
String s = new String();
for (String str:buffer) {
s = s + str;
}
char[] end = s.toCharArray();
for (int i = 0; i < end.length; i++) {
if (end[i] != ',' && end[i] != '.' && end[i] != ' ') {
System.out.println(end[i]);
}
}
}
catch (Exception e) {
System.out.println("Something went wrong " + e);
}
}
}