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// streams/Generator.java

// (c)2021 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.function.*;

import java.util.stream.*;

public class Generator implements Supplier<String> {

Random rand = new Random(47);

char[] letters =

"ABCDEFGHIJKLMNOPQRSTUVWXYZ".toCharArray();

@Override public String get() {

return "" + letters[rand.nextInt(letters.length)];

}

public static void main(String[] args) {

String word = Stream.generate(new Generator())

.limit(30)

.collect(Collectors.joining());

System.out.println(word);

}

}

/* Output:

YNZBRNYGCFOWZNTCQRGSEGZMMJMROE

*/