Given the Partial ArrayList Class Declaration Below, Select an Expression

question 60

Multiple Choice

Given the partial ArrayList class declaration below, select an expression to complete the empty method, which is designed to return true if the list contains no elements.

• A)elements.length == 0
• B)elements.currentSize == 0
• C)elements[0] == null
• D)currentSize == 0

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Definitions:

Alternative Hypotheses

Hypotheses that suggest there is a statistically significant effect, relationship, or difference between two or more variables in a population.

Hypothesis Test

A statistical method used to determine the probability that a hypothesis regarding a specific characteristic of a population is true.

P-value

The p-value is a measure in statistics that helps determine the significance of results, indicating the probability of observing the given results, or more extreme, by chance if a null hypothesis were true.

Democratic Candidate

An individual running for political office who is a member of or endorsed by the Democratic Party.