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Oracle Exam 1Z0-829 Topic 5 Question 27 Discussion

Actual exam question for Oracle's 1Z0-829 exam
Question #: 27
Topic #: 5
[All 1Z0-829 Questions]

Given the code fragment:

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

A)

B)

C)

D)

Show Suggested Answer Hide Answer
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 Ben at Sep 19, 2024, 10:37 AM

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Renea
2 months ago
I'm going with Option A. It's a bit more concise and I think it'll get the job done just fine.
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Tyisha
8 days ago
I agree with you, Option A seems like the right one for this scenario.
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Sheron
9 days ago
I'm leaning towards Option C, it looks like the most straightforward option.
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Chun
10 days ago
I prefer Option B, it seems more efficient to me.
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Stephen
15 days ago
I think Option A is the best choice too.
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Myra
2 months ago
Ha! Option D is like trying to herd cats. Good luck with that one.
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Delbert
1 months ago
Haha, herding cats indeed! Option D does seem like a tricky one.
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Mila
1 months ago
I agree, herding cats might be easier than trying to invoke all callable objects with Option D.
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Lezlie
1 months ago
Option D is definitely a challenge, but it can be done with the right approach.
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Gilberto
2 months ago
Hmm, I'm not sure. Option C looks like it might be a bit more verbose, but it might be safer in case there are any weird edge cases with the workers set.
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Katina
2 months ago
Option B looks good to me. I think it's the most straightforward way to invoke all the callable objects in the workers set.
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Vincent
1 months ago
Yes, Option B is definitely the way to go to invoke all the callable objects in the workers set.
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Alease
1 months ago
I think so too. Option B looks like the most efficient choice for this scenario.
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Yolande
2 months ago
I agree, Option B seems like the most direct way to invoke all the callable objects.
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Laine
2 months ago
Why do you think Option D is correct?
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Murray
2 months ago
I disagree, I believe the correct answer is Option D.
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Laine
3 months ago
I think the correct answer is Option C.
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