1z0-809 – Java SE 8 Programmer II

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Showing 13–15 of 15 questions

Question 13

Given the code fragment:

List list1 = Arrays.asList(10, 20);

List list2 = Arrays.asList(15, 30); //line n1

Which code fragment, when inserted at line n1, prints 10 20 15 30?

Select an option, then click Submit answer.

○
Stream.of(list1, list2)
.flatMap(list -> list.stream())
.forEach(s -> System.out.print(s + “ “));
○
Stream.of(list1, list2)
.flatMap(list -> list.intStream())
.forEach(s -> System.out.print(s + “ “));
○
list1.stream()
.flatMap(list2.stream().flatMap(e1 -> e1.stream())
.forEach(s -> System.out.println(s + “ “));
○
Stream.of(list1, list2)
.flatMapToInt(list -> list.stream())
.forEach(s -> System.out.print(s + “ “));