1

import java.util.Scanner;
import java.util.*;
import java.io.*;
import java.util.regex.*;

public class WordStatWords {
    public static void main(String[] args) throws Exception {
        Map<String, Integer> wordsAndCnt = new TreeMap<>();
        String regexp = "[\\p{L}\\p{Pd}']+";
        Pattern pattern = Pattern.compile(regexp);
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(args[0]), "UTF-8"))) {
            String line;
            while ((line = reader.readLine()) != null) {
                line = line.toLowerCase();
                Matcher matcher = pattern.matcher(line);
                while (matcher.find()) {
                    String word = matcher.group();
                    wordsAndCnt.putIfAbsent(word, 0);
                    wordsAndCnt.put(word, wordsAndCnt.get(word) + 1);
                }
            }
        } catch (FileNotFoundException e) {
            System.err.println("File does not exsist");
        } catch (ArrayIndexOutOfBoundsException e) {
            System.err.println("Enter the name of the file");
        }
        try (BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(args[1]), "UTF-8"))) {
            for (Map.Entry e : wordsAndCnt.entrySet()) {
                writer.write(e.getKey() + " " + e.getValue() + "\r\n");
            }
        } catch (FileNotFoundException e) {
            System.err.println("File does not exsist");
        }
    }
}