Online Access Free Oracle.1z1-819.v2022-05-03.q110 Practice Test (Page 9)

1z1-819 Exam Question 36

Given the formula to calculate a monthly mortgage payment:

and these declarations:

How can you code the formula?

A.m = p * ((r * Math.pow(1 + r, n) / (Math.pow(1 + r, n)) - 1));

B.m = p * r * Math.pow(1 + r, n) / Math.pow(1 + r, n) - 1;

C.m = p * (r * Math.pow(1 + r, n) / (Math.pow(1 + r, n) - 1));

D.m = p * (r * Math.pow(1 + r, n) / Math.pow(1 + r, n) - 1);

1z1-819 Exam Question 37

Which two are functional interfaces? (Choose two.)

A.Option B

B.Option A

C.Option E

D.Option C

E.Option D

1z1-819 Exam Question 38

Given the code fragment:

What is the result?

A.false true true

B.true false false

C.false false true

D.false true false

1z1-819 Exam Question 39

Given:

What is the result?

A.watermelonorangelemongrapeapricotapple

B.nothing

C.appleapricotgrapelemonorangewatermelon

D.appleorangegrapelemonapricotwatermelon

1z1-819 Exam Question 40

var numbers = List.of(0,1,2,3,4,5,6,7,8,9);
You want to calculate the average of numbers. Which two codes will accomplish this? (Choose two.)

A.double avg = numbers.stream().parallel().averagingDouble(a -> a);

B.double avg = numbers.parallelStream().mapToInt (m -> m).average().getAsDouble ();

C.double avg = numbers.stream().mapToInt (i -> i).average().parallel();

D.double avg = numbers.stream().average().getAsDouble();

E.double avg = numbers.stream().collect(Collectors.averagingDouble(n -> n));

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