AV5 Word Count

package AV5;

import javax.sound.sampled.Line;
import java.io.*;
import java.util.Scanner;

public class WordCountTest {
    public static void readDataWithScanner(InputStream inputStream) {
        int lines = 0;
        int words = 0;
        int chars = 0;
        Scanner scanner = new Scanner(inputStream);

        while (scanner.hasNextLine()) {
            String line = scanner.nextLine();
            ++lines;
            words += line.split("\\s++").length;
            chars += line.length();
        }
        System.out.printf("Lines : %d , Words: %d , Chars: %d", lines, words, chars);
    }

    public static void readDataWithBufferedReader(InputStream inputStream) throws IOException {
        int lines=0;
        int words=0;
        int chars=0;

        BufferedReader bufferedReader=new BufferedReader(new InputStreamReader(inputStream));

        String line;

        while((line=bufferedReader.readLine())!=null)
        {
            ++lines;
            words+=line.split("\\s+").length;
            chars+=line.length();
        }
        System.out.printf("Lines : %d , Words: %d , Chars: %d", lines, words, chars);
    }

    public static void readDataWithBufferedReaderAndMapReduce(InputStream inputStream)
    {
        BufferedReader bufferedReader=new BufferedReader(new InputStreamReader(inputStream));
        LineCounter result = bufferedReader.lines()
                //mapiraj od linija vo objekt
                //za sekoja linija ke se napravi nov line counter
                .map(l -> new LineCounter(l))
                //reduce prima 2 raboti->od 10 line counteri napravi 1->od poveke nesta sklopi gi vo edno nesto
                .reduce(
                        new LineCounter(0, 0, 0),
                        //left e momentot do rezultatot a right posle toa
                        (left, right) -> left.sum(right)
                );
        //reduce e terminalna akcija
        System.out.println(result);
    }

    public static void main(String[] args) throws IOException {
        File file = new File("C:\\Users\\User\\Desktop\\Napredno Sept\\src\\AV5\\dat");

        readDataWithScanner(new FileInputStream(file));
        System.out.println();
        readDataWithBufferedReader(new FileInputStream(file));
        System.out.println();
        readDataWithBufferedReaderAndMapReduce(new FileInputStream(file));
    }
}