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Free 1z0-809 – Java SE 8 Programmer II Practice Test Question

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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 + “ “));
Question 14

Given the code fragment:

What is the result?

Select an option, then click Submit answer.

  • ○

    Java EEJava EESE
  • ○

    Java EESE
  • ○

    The program prints either: Java EEJava SE or
    Java SEJava EE
  • ○

    Java EEJava SE
Question 15

Given:

and the code fragment:

What is the result?

Select an option, then click Submit answer.

  • ○

    [Java EE: Helen:Houston]
    [Java ME: Jessy:Chicago, Java ME: Mark:Chicago]
  • ○

    Java EE
    Java ME
  • ○

    [Java ME: Jessy:Chicago, Java ME: Mark:Chicago]
    [Java EE: Helen:Houston]
  • ○

    A compilation error occurs.