// streams/RandomWords.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.util.*;

import java.util.stream.*;

import java.util.function.*;

import java.io.*;

import java.nio.file.*;

public class RandomWords implements Supplier<String> {

List<String> words = new ArrayList<>();

Random rand = new Random(47);

RandomWords(String fname) throws IOException {

List<String> lines =

Files.readAllLines(Paths.get(fname));

// Skip the first line:

for(String line : lines.subList(1, lines.size())) {

for(String word : line.split("[ .?,]+"))

words.add(word.toLowerCase());

}

}

public String get() {

return words.get(rand.nextInt(words.size()));

}

@Override

public String toString() {

return words.stream()

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

}

public static void

main(String[] args) throws Exception {

System.out.println(

Stream.generate(new RandomWords("Cheese.dat"))

.limit(10)

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

}

}

/* Output:

it shop sir the much cheese by conclusion district is

*/