Given the following code snippet, which lambda expressions are the best choices for an accumulator? (Choose two.)
Question:
Given the following code snippet, which lambda expressions are the best choices for an accumulator? (Choose two.)
A. (a,b) -> (a-b)
B. (a,b) -> 5
C. (a,b) -> i++
D. (a,b) -> {words.add("awesome"); return 0;}
E. (a,b) -> {return 0;}
F. (a,b) -> words.add("awesome").
Transcribed Image Text:
import java.util.*; import java.util. function. *; public class GoodAccumulator { int i = 0; List words = new ArrayList (); public void test() { BiFunction x = System.out.print (List.of (1,2,3,4,5) }} .parallelStream() .reduce (0,x, (s1, s2) -> sl + s2));
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In the provided code snippet we are dealing with a reduce operation on a parallel stream of integers The reduce operation in Java streams is used to c...View the full answer
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OCP Oracle Certified Professional Java SE 11 Developer Practice Tests Exam 1Z0 819 And Upgrade Exam 1Z0 817
ISBN: 9781119696131
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Authors: Scott Selikoff, Jeanne Boyarsky
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