← Back to exam page

1z0-819 – Java SE 11 Developer

Loading demo links...

Showing 7–9 of 15 questions

Question 7

Which two are functional interfaces? (Choose two.)

Select all that apply, then click Submit answer.

  • ○

    Option A
  • ○

    Option B
  • ○

    Option C
  • ○

    Option D
  • ○

    Option E
Question 8

Given:

What is the result?

Select an option, then click Submit answer.

  • ○

    It throws a runtime exception.
  • ○

    Value of Euler = 2.71828
  • ○

    The code does not compile.
  • ○

    Value of Euler = “2.71828”
Question 9

Given:

When run and all three files exist, what is the state of each reader on Line 1?

Select an option, then click Submit answer.

  • ○

    All three readers are still open.
  • ○

    All three readers have been closed.
  • ○

    The compilation fails.
  • ○

    Only reader1 has been closed.