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Exam 1z0-819 topic 1 question 63 discussion

Actual exam question from Oracle's 1z0-819
Question #: 63
Topic #: 1
[All 1z0-819 Questions]

Given:



You replace the code on line 1 to use ParallelStream.

Which one is correct?

  • A. The code will produce the same result.
  • B. The compilation fails.
  • C. A NoSuchElementException is thrown at run time.
  • D. The code may produce a different result.
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Suggested Answer: D 🗳️

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ASPushkin
6 months, 1 week ago
Selected Answer: D
It is nondeterministic in any case. The behavior of this operation is explicitly nondeterministic; it is free to select any element in the stream. This is to allow for maximal performance in parallel operations;
upvoted 1 times
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Omnisumem
1 year, 4 months ago
Selected Answer: D
Tested: D.
upvoted 1 times
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Stavok
1 year, 6 months ago
Selected Answer: D
The correct answer is D. The code may produce a different result. If you replace the code on line 1 to use ParallelStream, the stream operations will be performed concurrently, and the order in which the elements are processed is no longer deterministic. As a result, the findAny method may return a different element that satisfies the filter condition, and the output of the code may be different.
upvoted 2 times
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tmuralimanohar
1 year, 7 months ago
Answer: D
upvoted 1 times
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Mukes877
1 year, 8 months ago
Selected Answer: D
No effect on the result by parallel Stream.
upvoted 2 times
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