// concurrent/CollectionIntoStream.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 onjava.*;
import java.util.*;
import java.util.stream.*;

public class CollectionIntoStream {
 public static void main(String[] args) {
 List<String> strings =
 Stream.generate(new Rand.String(5))
 .limit(10)
 .collect(Collectors.toList());
 strings.forEach(System.out::println);
 // Convert to a Stream for many more options:
 String result = strings.stream()
 .map(String::toUpperCase)
 .map(s -> s.substring(2))
 .reduce(":", (s1, s2) -> s1 + s2);
 System.out.println(result);
 }
}
/* Output:
btpen
pccux
szgvg
meinn
eeloz
tdvew
cippc
ygpoa
lkljl
bynxt
:PENCUXGVGINNLOZVEWPPCPOALJLNXT
*/