This program count the number of words

WordCounts.java

import java.io.FileNotFoundException;
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 FileNotFoundException {
        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) {
        try {
            long wordCount = Files.lines(Paths.get(fileName))
                    .flatMap(str -> Stream.of(str.split("[ ,.!?\r\n]"))).count();
            System.out.println("Number of words in file : " + wordCount);
        } catch (FileNotFoundException fnf) {
            System.out.println("Exception Occurred" + fnf.getMessage());
        } catch (IOException io) {
            System.out.println("Exception Occurred" + io.getMessage());
        }
    }
}