Number of Words count

CountWords.java

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.stream.Stream;

public class WordCount {

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

        countWords("sample.txt");
    }

    /**
     * this method count number of words from the text file and finally print the number of words
     *
     * @param fileName
     */
    public static void countWords(String fileName) throws IOException {

        Stream<String> stream = Files.lines(Paths.get(fileName));
        try (stream) {

            long wordCount = stream.flatMap(str -> Stream.of(str.split("[ ,.!?\r\n]")))
                    .count();

            System.out.println("Number of words in file  : " + wordCount);
        } catch (Exception e) {
            System.out.println("Exception Occurred" + e.getMessage());
        }
    }
}