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Exam 1z0-809 topic 1 question 44 discussion

Actual exam question from Oracle's 1z0-809
Question #: 44
Topic #: 1
[All 1z0-809 Questions]

Which statement is true about the single abstract method of the java.util.function.Function interface?

  • A. It accepts one argument and returns void.
  • B. It accepts one argument and returns boolean.
  • C. It accepts one argument and always produces a result of the same type as the argument.
  • D. It accepts an argument and produces a result of any data type.
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Suggested Answer: D 🗳️
by aymanj at April 1, 2021, 10:16 a.m.

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steefaand
10 months, 4 weeks ago
Selected Answer: D
D is correct.
upvoted 1 times
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iSnover
11 months, 1 week ago
Selected Answer: D
The answer is D, because: A -> Consumer B -> Predicate C -> UnaryOperator D -> Function -> Correct answer
upvoted 1 times
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r1muka5
1 year, 9 months ago
Answer is D
upvoted 1 times
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WilsonKKerll
2 years, 9 months ago
Answer is D.
upvoted 2 times
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aymanj
3 years, 9 months ago
the answer for this question should be D. Public interface Function; R apply(T t). The function method accepts type t argument and return a generic type R, which could be any data type.
upvoted 1 times
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