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Oracle Exam 1Z0-829 Topic 1 Question 6 Discussion

Actual exam question for Oracle's 1Z0-829 exam
Question #: 6
Topic #: 1
[All 1Z0-829 Questions]

Given the code fragment:

Which code fragment invokes all callable objects in the workers set?

A)

B)

C)

D)

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Suggested Answer: C

The code fragment in Option C invokes all callable objects in the workers set by using the ExecutorService's invokeAll() method. This method takes a collection of Callable objects and returns a list of Future objects representing the results of the tasks. The other options are incorrect because they either use the wrong method (invokeAny() or submit()) or have syntax errors (missing parentheses or semicolons).Reference:AbstractExecutorService (Java SE 17 & JDK 17) - Oracle


by Veronika at Nov 21, 2023, 03:02 PM

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