OnJava8-Examples/streams/Generator.java
2016-12-30 17:23:13 -08:00

26 lines
730 B
Java

// streams/Generator.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.function.*;
import java.util.stream.*;
public class Generator implements Supplier<String> {
Random rand = new Random(47);
char[] letters =
"ABCDEFGHIJKLMNOPQRSTUVWXYZ".toCharArray();
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
*/