Oracle Exam 1Z0-819 Topic 9 Question 59 Discussion

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

Question #: 59
Topic #: 9

[All 1Z0-819 Questions]

Given:

Which statement on line 1 enables this code to compile?

AConsumer function = (String f) -> (System.out.println(f);};

BSupplier function = () -> fruits.get (0);

CPredicate function = a -> a.equals('banana');

DFunction function = x -> x.substring(0,2);

Show Suggested Answer

Suggested Answer: C

by Colette at Feb 27, 2023, 06:51 AM

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6 days ago

I think Option D is the right answer. The Function interface takes a single argument and returns a result, which this code snippet demonstrates.

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18 days ago

Hmm, that makes sense too. Let's review the code again to be sure.

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21 days ago

I disagree, I believe the answer is A, because it uses the Consumer interface.

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22 days ago

Option C looks like the correct answer, it's a valid Predicate function that checks if a string equals 'banana'.

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26 days ago

I think the answer is D, because it uses the Function interface.

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