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1z0-809 – Java SE 8 Programmer II

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Showing 1–3 of 15 questions

Question 1

Given:

final class Folder { //line n1

//line n2 public void open () { System.out.print(“Open”);

} } public class Test {

public static void main (String [] args) throws Exception {

try (Folder f = new Folder()) {

f.open();

}

}

}

Which two modifications enable the code to print Open Close? (Choose two.)

Select all that apply, then click Submit answer.

  • ○

    Replace line n1 with: class Folder implements AutoCloseable {
  • ○

    Replace line n1 with: class Folder extends Closeable {
  • ○

    Replace line n1 with: class Folder extends Exception {
  • ○

    At line n2, insert:
    final void close () {
    System.out.print(“Close”);
    }
  • ○

    At line n2, insert:
    public void close () throws IOException {
    System.out.print(“Close”);
    }
Question 2

Which two statements are true about the Fork/Join Framework? (Choose two.)

Select all that apply, then click Submit answer.

  • ○

    The RecursiveTask subclass is used when a task does not need to return a result.
  • ○

    The Fork/Join framework can help you take advantage of multicore hardware.
  • ○

    The Fork/Join framework implements a work-stealing algorithm.
  • ○

    The Fork/Join solution when run on multicore hardware always performs faster than standard sequential solution.
Question 3

Which two statements are true about localizing an application? (Choose two.)

Select all that apply, then click Submit answer.

  • ○

    Support for new regional languages does not require recompilation of the code.
  • ○

    Textual elements (messages and GUI labels) are hard-coded in the code.
  • ○

    Language and region-specific programs are created using localized data.
  • ○

    Resource bundle files include data and currency information.
  • ○

    Language codes use lowercase letters and region codes use uppercase letters.