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

        File f = new File(System.getProperty("user.dir") + "\\t.txt");
        Scanner sc = new Scanner(f);

        int line_ct = 0;
        int word_ct = 0;
        int char_ct = 0;
        int numb_ct = 0;

        ArrayList<String> total_words = new ArrayList<String>();
        ArrayList<String> total_nums = new ArrayList<String>();

        // while there are new tokens in the scanner
        while (sc.hasNext()) {
            String s_line = sc.nextLine(); // each line in String format
            line_ct++;
            while(s_line.isEmpty()) { // if the line is empty, move scanner next line
                s_line = sc.nextLine();
            }
            // line_ar[] is our LINE split on " ", line_ar[i] contains each word in a line
            String line_ar[] = s_line.split("\\s+");

            for(int i = 0; i < line_ar.length; i++) {  //iterating through each words[]

                if(!line_ar[i].isEmpty()) {
                    // put each word into a character array
                    char[] chars = line_ar[i].toCharArray();

                    //System.out.print(chars);

                    if(Character.isLetter(chars[0])) { //if first char of chars[] is letter, increase word count
                        word_ct++;
                        total_words.add(line_ar[i].toLowerCase()); // append word to total_words
                    }
                    else if(Character.isDigit(chars[0])) { // if first char if chars[] is digit, increase num count
                        numb_ct++;
                        total_nums.add(line_ar[i]); // append number to total_nums
                    }

                    for(int b = 0; b < chars.length; b++) { // count each character in every word
                        if(Character.isLetter(chars[b]) || Character.isDigit(chars[b])) { char_ct++; }
                    }

            }

            }


        }