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Exam 1z0-829 topic 1 question 14 discussion

Actual exam question from Oracle's 1z0-829
Question #: 14
Topic #: 1
[All 1z0-829 Questions]

Given:

What is the result?

  • A. {bicycle=7, car=7, motorcycle=7, truck=7}
  • B. {3:bicycle, 0:car, 6:motorcycle, 5:truck}
  • C. Compilation fails.
  • D. {bicycle=1, car=3, motorcycle=1, truck=2}
  • E. {bicycle, car, motorcycle, truck}
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Suggested Answer: D 🗳️
by james2033 at Feb. 15, 2024, 7:43 a.m.

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james2033
Highly Voted 11 months, 3 weeks ago
Selected Answer: D
package q14; import java.util.Arrays; import java.util.Collections; import java.util.List; import java.util.Map; import java.util.function.Function; import java.util.stream.Collectors; public class Test { public static void main(String[] args) { List<String> elements = Arrays.asList("car", "truck", "car", "bicycle", "car", "truck", "motorcycle"); Map<String, Long> outcome = elements.stream().collect(Collectors.groupingBy(Function.identity(), Collectors.counting())); System.out.println(outcome); } } // Result: // {motorcycle=1, bicycle=1, car=3, truck=2}
upvoted 5 times
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xplorerpj
Most Recent 7 months, 1 week ago
Selected Answer: D
Correct answer is D
upvoted 1 times
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