Exam 1z0-809 topic 1 question 153 discussion

Actual exam question from Oracle's 1z0-809

Question #: 153
Topic #: 1

[All 1z0-809 Questions]

Given the code fragment:

Which should be inserted into line n1 to print Average = 2.5?

A. IntStream str = Stream.of (1, 2, 3, 4);
B. IntStream str = IntStream.of (1, 2, 3, 4);
C. DoubleStream str = Stream.of (1.0, 2.0, 3.0, 4.0);
D. Stream str = Stream.of (1, 2, 3, 4);

Show Suggested Answer

Suggested Answer: C 🗳️

by Abdullah_Rahahleah at Dec. 22, 2020, 7:25 a.m.

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Chiraj

Highly Voted 4 years, 3 months ago

The answer is B.

upvoted 7 times

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Abdullah_Rahahleah

Highly Voted 4 years, 5 months ago

answer is B-tested

upvoted 5 times

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6c84cb9

Most Recent 9 months ago

B. IntStream str = IntStream.of(1, 2, 3, 4);

upvoted 1 times

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DarGrin

1 year ago

Selected Answer: C

Answer is C. Stream.of() gives Stream<Integer> or Stream<Double>, not IntStream or DoubleStream. So A and C are incorrect. And Stream hat no method average(). So D is incorrect too.

upvoted 1 times

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asdfjhfgjuaDCV

1 year, 2 months ago

B is the answer

upvoted 1 times

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steefaand

1 year, 4 months ago

Selected Answer: B

B is correct.

upvoted 1 times

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iSnover

1 year, 4 months ago

Selected Answer: B

The answer is letter b, it cannot be C using the method in the second line "getAsDouble()".

upvoted 1 times

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