// streams/FileToWordsRegexp.java

// (c)2017 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

import java.io.*;

import java.nio.file.*;

import java.util.stream.*;

import java.util.regex.Pattern;

public class FileToWordsRegexp {

private String all;

public FileToWordsRegexp(String filePath)

throws Exception {

all = Files.lines(Paths.get(filePath))

.skip(1) // First (comment) line

.collect(Collectors.joining(" "));

}

public Stream<String> stream() {

return Pattern

.compile("[ .,?]+").splitAsStream(all);

}

public static void

main(String[] args) throws Exception {

FileToWordsRegexp fw =

new FileToWordsRegexp("Cheese.dat");

fw.stream()

.limit(7)

.map(w -> w + " ")

.forEach(System.out::print);

fw.stream()

.skip(7)

.limit(2)

.map(w -> w + " ")

.forEach(System.out::print);

}

}

/* Output:

Not much of a cheese shop really is it

*/