В чем 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;
/*
Пропускаем не всех
*/
public class Solution {
public static void main(String[] args) {
//напишите тут ваш код
try(Scanner s = new Scanner(System.in)){
List<String> reader = Files.readAllLines(Paths.get(s.nextLine()));
char [] ch = new char[reader.size()];
for (String t: reader){
ch = t.toCharArray();
}
for (char c: ch){
if (c!=' '&& c!='.' && c!=',')
System.out.println(c);
}
}
catch (Exception e)
{
System.out.println ( "Something went wrong : "+e);
}
}
}