1z0-813 Exam Dumps | Given the following incorrect program: (Exhibit) Which two changes make the program work correctly? (Choose

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Oracle.1z0-813.v2018-09-18.q35
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Question 21/35

Given the following incorrect program:

Which two changes make the program work correctly? (Choose two.)

A. The MyTaskclass must be modified to extend RecursiveActioninstead of RecursiveTask.

B. The computeDirectly()method must be enhanced to fork()newly created tasks.

C. The compute()method must be changed to return an Integerresult.

D. The THRESHOLDvalue must be increased so that the overhead of task creation does not dominate the cost of computation.

E. Results must be retrieved from the newly created MyTaskinstances and combined.

F. The midpoint computation must be altered so that it splits the workload in an optimal manner.

Correct Answer: C,E

Explanation/Reference:
Explanation:
The compute() method must return an Integer result.
The results of the InvokeAll tasks must be combined.
Incorrect Answers:
A: RecursiveAction is just like RecursiveTask except it does not return a result F: The Midpoint, mid = (low + high)/2, is fine.
Reference: http://www.baeldung.com/java-fork-join

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