Oracle Exam 1Z0-819 Topic 10 Question 15 Discussion

Actual exam question for Oracle's 1Z0-819 exam

Question #: 15
Topic #: 10

Given TripleThis.java:

Compiling TripleThis.java gives this compiler warning:

Note: TripleThis.java uses unchecked or unsafe operations.

Which two replacements done together remove this compiler warning?

AReplace line 9 with function<Integer> tripler = x-> - { return (Integer) X * 3 ; }.

BReplace line 12 with public static void printValue function<Integer> f, int num) {.

CReplace line 12 with public static int printValue function<Integer, Integer>, f, T num {.

DReplace line 12 with public static <T> void printValue (Function<T, T> f, T num ) {,

EReplace line 9 with function<Integer>, Integer> = X -> { return (integer) x * 3; }.

Show Suggested Answer

Suggested Answer: A, C

by Franklyn at May 05, 2022, 07:08 PM

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