Oracle Exam 1Z0-819 Topic 10 Question 79 Discussion

Actual exam question for Oracle's 1Z0-819 exam

Question #: 79
Topic #: 10

Given the code fragment:

Which can replace line 2?

AUnaryOperator u = (int i) -> i * 2;

BUnaryOperator u = (var i) -> (i * 2);

CUnaryOperator u = var i -> { return i * 2; };

DUnaryOperator u = i -> { return i * 2);

Show Suggested Answer

Suggested Answer: B

by Keneth at Apr 28, 2024, 05:59 PM

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6 months ago

True, D misses a closing brace. B is indeed the best option.

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7 months ago

Option D confused me initially, but the syntax is slightly off.

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7 months ago

I agree, option B seems right. Using 'var' with parentheses looks fine.

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7 months ago

I think the correct answer is B. The other options have syntax errors.

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7 months ago

Yeah, especially the part about the right syntax.

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7 months ago

Did anyone find the question tough?

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