Oracle Certified Professional Java Se 8 Programmer · Free Practice Question Easy

Question 34

Performance with parallel stream is always better than sequential streams.
  • A false
  • B true
Reveal correct answer

Correct answer: A

Explanation

Parallel streams internally use fork/join framework only, so there is always an overhead of splitting the tasks and joining the results.   


Parallel streams improves performance for streams with large number of elements, easily splittable into independent operations and computations are complex.

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