Oracle Exam 1Z0-809 Topic 2 Question 76 Discussion

Actual exam question for Oracle's 1Z0-809 exam

Question #: 76
Topic #: 2

Given the code fragment:

You have been asked to define the ProductCode class. The definition of the ProductCode class must allow c1 instantiation to succeed and cause a compilation error on c2 instantiation.

Which definition of ProductCode meets the requirement?

AOption A

BOption B

COption C

DOption D

Show Suggested Answer

Suggested Answer: B

by Pamela at Sep 16, 2024, 05:49 PM

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Johana

7 months ago

I'm feeling lucky with Option C. Compiler errors are like my middle name!

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Bettina

5 months ago

User3: I agree with User1, let's go with Option C.

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Oretha

5 months ago

User2: I'm not so sure, maybe Option A is better.

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Rocco

6 months ago

User1: I think Option C is the way to go.

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Nieves

7 months ago

Option A is the way to go. Who doesn't love a good ol' private constructor? It's a classic!

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Dona

7 months ago

This is a real head-scratcher. I'm going to have to go with Option D. Gotta love those compiler errors!

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Nobuko

6 months ago

User1: Definitely, c1 instantiation should succeed though.

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Andra

6 months ago

User2: Yeah, Option D should cause a compilation error on c2 instantiation.

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Veronika

6 months ago

I think Option D is the correct choice.

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Lavonne

7 months ago

Hmm, that makes sense. I see your point now.

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Carey

7 months ago

I disagree, I believe the correct answer is Option C because it uses a private static inner class.

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Lisbeth

7 months ago

Ah, tricky question. I'm going with Option B. The private constructor should do the trick.

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Ashleigh

6 months ago

User1: Agreed, Option B is the way to go.

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Hector

6 months ago

Option B seems to be the best fit for this scenario.

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Dierdre

6 months ago

Yeah, the private constructor will prevent c2 instantiation.

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Twila

7 months ago

I think Option B is the correct choice.

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Precious

7 months ago

Option C looks good to me. It allows the first instantiation to succeed and causes a compilation error on the second one.

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Antonio

6 months ago

Yes, Option C is the right choice for defining the ProductCode class.

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Nakita

6 months ago

I agree, Option C allows c1 instantiation to succeed and c2 instantiation to fail.

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Alexis

7 months ago

I think Option C is the correct one.

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Lavonne

8 months ago

I think the answer is Option B because it uses private constructors.

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