Что же не так?

public static boolean isDigit(String s){
    char[] chars = s.toCharArray();
    for (int i = 0; i < chars.length; i++) {
        if (Character.isDigit(chars[i])){
            return true;
        }
    }
    return false;
}

while (bufferedReader.ready()){
            String[] str = (bufferedReader.readLine()).split(" ");
            for (String s : str){
                char[] chars = s.toCharArray();
                for (Character character: chars){
                    try {
                       int i = Integer.parseInt(String.valueOf(character));
                       bufferedWriter.write(s + " ");
                       break;
                    }catch (NumberFormatException e){
                        continue;
                    }

                }
            }
        }