Which of the Following Statements About Interfaces Is True

question 87

Multiple Choice

Which of the following statements about interfaces is true?

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

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Definitions:

Partial-Thickness Burn

A burn affecting both the epidermis and a portion of the dermis layer of skin, characterized by pain, redness, and blistering.

Epidermis

The outermost layer of skin, serving as a protective barrier against environmental elements.

Dermis

The layer of skin beneath the epidermis that contains nerve endings, sweat glands, and blood vessels.

Dilation

The process of expansion or widening in size, often referring to the opening of the cervix during childbirth or the dilation of blood vessels.