Exam 1z0-816 topic 1 question 31 discussion

Actual exam question from Oracle's 1z0-816

Question #: 31
Topic #: 1

Given:

Which statement is equivalent to line 1?

A. double totalSalary = list.stream().map(e −> e.getSalary() * ratio).reduce(bo).ifPresent (p −> p.doubleValue());
B. double totalSalary = list.stream().mapToDouble(e −> e.getSalary() * ratio).sum;
C. double totalSalary = list.stream().map(Employee::getSalary * ratio).reduce(bo).orElse(0.0);
D. double totalSalary = list.stream().mapToDouble(e −> e.getSalary() * ratio).reduce(starts, bo);

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Suggested Answer: C 🗳️

by Sa16253748596 at Feb. 25, 2024, 8:22 a.m.

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3 months, 3 weeks ago

B True If endsWith ....sum();

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4 months, 3 weeks ago

Selected Answer: B

B is true

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