Which of the Following Is True

question 5

Multiple Choice

Which of the following is true?

• A) The retrieve()method of an iterator can only be called after isEmpty()has returned false
• B) The remove(.method of an iterator can only be called after next(.has been called
• C) Any iterator can move forward as well as backwards through a collection
• D) Once an iterator has reached the end of the collection,calling any of its methods will throw a NoSuchElement exception

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Definitions:

Natural Groups

Groups that exist organically or naturally in a research study, not formed by the experimenter; often used in observational studies.

Existing

The state or fact of being present or having an actual being; to have life or reality.

Many Independent Variables

Refers to experimental designs that include multiple factors being manipulated to observe their effect on a dependent variable.

Equal Numbers

A condition or state where two or more quantities or entities are of the same value or amount.