Which of the Following Statements About Interfaces Is True

question 69

Multiple Choice

Which of the following statements about interfaces is true?

• A) You can define an interface variable that refers to an object of any class in the same package.
• B) You cannot define a variable whose type is an interface.
• C) You can instantiate an object from an interface class.
• D) You can define an interface variable that refers to an object only if the object belongs to a class that implements the interface.

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Definitions:

Morpheme

The smallest grammatical unit in a language that has semantic meaning.

Anthropologist Benjamin Whorf

A linguist and anthropologist known for his hypothesis that the structure of a language affects its speakers' cognition and worldview.

Vocabulary

Vocabulary consists of the words known and used by a person in speech and writing, reflecting their language proficiency and knowledge.

Whorfian Hypothesis

The theory that the structure of a language affects its speakers' cognition or world view, suggesting the linguistic categorization influences thought.