// streams/OptionalBasics.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.*;

class OptionalBasics {

static void test(Optional<String> optString) {

if(optString.isPresent())

System.out.println(optString.get());

else

System.out.println("Nothing inside!");

}

public static void main(String[] args) {

test(Stream.of("Epithets").findFirst());

test(Stream.<String>empty().findFirst());

}

}

/* Output:

Epithets

Nothing inside!

*/