Given: ```java IntStream stream = IntStream.of(1,2,3); IntFunction inFu = x - x * x;//line n1 IntStream newStream = stream.map(inFu.apply(10));//line n2 newStream.forEach(System.out::print); ``` Which modification enables the code fragment to compile?

Question

Given:
```java
IntStream stream = IntStream.of(1,2,3);
IntFunction<Integer> inFu = x -> x * x;//line n1
IntStream newStream = stream.map(inFu.apply(10));//line n2
newStream.forEach(System.out::print);
```
Which modification enables the code fragment to compile?

Accepted Answer

B. Replace line n1 with:
 IntFunction<IntUnaryOperator> inFu = x -> y -> x*y;
 Replace line n2 with:
 IntStream newStream = stream.map(inFu.applyAsInt(10));

Answer

A. Replace line n1 with:
 IntFunction<UnaryOperator> inFu = x -> y -> x*y;

Answer

C. Replace line n2 with:
 IntStream newStream = stream.map(inFu.applyAsInt(10));

Answer

D. Replace line n2 with:
 IntStream newStream = stream.map(inFu.apply(10));

1Z0-809 Question #109: Real Exam Question with Answer & Explanation

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