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Oracle Exam 1Z0-809 Topic 14 Question 3 Discussion

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

Question #: 3
Topic #: 14

Given the code fragment:

Stream> iStr= Stream.of (

Arrays.asList (''1'', ''John''),

Arrays.asList (''2'', null)0;

Stream< nInSt = iStr.flatMapToInt ((x) -> x.stream ());

nInSt.forEach (System.out :: print);

What is the result?

A1John2null

B12

CA NullPointerException is thrown at run time.

DA compilation error occurs.

Show Suggested Answer

Suggested Answer: D

by Roselle at May 03, 2022, 07:07 PM

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