public class Main {

    private static List<String> lines;
    private static List<String> clearList;
    private static Path path;


    public static void main(String[] args) throws IOException {

        getFile();
        for (String s:lines) {
            System.out.println(s);
        }
        System.out.println();

        /*deleteSpecialCharacters(lines);

        for (String s:lines) {
            System.out.println(s);
        }*/

        /*deleteSpecialCharacters1(lines, clearList);

        for (String s:lines) {
            System.out.println(s);
        }*/

    }

    private static void getFile() throws IOException {
        try {
            path = Paths.get("C:\\Users\\u1\\Desktop\\abcd.txt");
            lines = Files.readAllLines(path);
        } catch (IOException e) {
            System.out.println("File not found or Can't read file");
        }
    }

    private static void deleteSpecialCharacters(List<String> list) {
        for (String s : list) {
            s = s.replaceAll("[^a-zA-Zа-яА-Я]", " ");
        }
    }

    private static void deleteSpecialCharacters1(List<String> list, List<String> clearList) {
        String temp;
        for (String s : list) {
            temp = s.replaceAll("[^a-zA-Zа-яА-Я]", " ");
            clearList.add(temp);
        }
    }
}