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Oracle

1Z0-809 · Question #4

Given the code fragment: ``java List<Integer> values = Arrays.asList(1, 2, 3); values.stream() .map(n -> n*2)//line n1 .peek(System.out.println)//line n2 .count(); `` What is the result?

The correct answer is B. The code produces no output. You've hit your session limit · resets 5:20pm (America/New_York)

Question

Given the code fragment:
List<Integer> values = Arrays.asList(1, 2, 3);
values.stream()
 .map(n -> n*2)//line n1
 .peek(System.out.println)//line n2
 .count();
What is the result?

Options

  • A246
  • BThe code produces no output.
  • CA compilation error occurs at line n1.
  • DA compilation error occurs at line n2.

How the community answered

(43 responses)
  • A
    2% (1)
  • B
    81% (35)
  • C
    5% (2)
  • D
    12% (5)

Explanation

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