Select an Appropriate Expression to Complete the Following Method, Which

question 8

Multiple Choice

Select an appropriate expression to complete the following method, which is designed to return the number of elements in the parameter array numbers. If a value appears more than once, it should be counted exactly once. public static int countElementsOnce(int[] numbers)
{
Set<Integer> values = new HashSet<Integer>() ;
For (int num: numbers)
{
Values.add(num) ;
}
______________________
}

• A) return numbers.length;
• B) return values.length();
• C) return values.size();
• D) return numbers.length - values.size();

---

Definitions:

Adverse Outcomes

Negative results or effects that may occur as a consequence of an action, intervention, or condition.

Childhood Vaccinations

Immunizations given in early life to protect against various infectious diseases like measles, mumps, and polio.

Correlation

A statistical measure that indicates the extent to which two or more variables fluctuate together, but does not necessarily imply causation.

Alternative Health Care

Health care practices and products that are not typically part of conventional medical treatment, including herbal medicine, acupuncture, and chiropractic care.