package com.zetcode;

import java.io.IOException;

import java.nio.file.Files;

import java.nio.file.Path;

import java.util.Collections;

import java.util.Map;

import java.util.function.Function;

import java.util.regex.MatchResult;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import java.util.stream.Collectors;

public class WordFreqEx {

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

var fileName = "src/resources/the-king-james-bible.txt";

var text = Files.readString(Path.of(fileName));

var regex = "[a-zA-Z']+";

var p = Pattern.compile(regex);

var matcher = p.matcher(text);

var words = matcher.results();

var res = words.collect(Collectors.groupingBy(MatchResult::group,

Collectors.counting()));

res.entrySet().stream()

.sorted(Collections.reverseOrder(Map.Entry.comparingByValue()))

.limit(10)

.forEach((e -> System.out.printf("%s %d%n", e.getKey(), e.getValue())));

}

}