Which of the Following Is False About Interfaces

question 47

Multiple Choice

Which of the following is false about interfaces

• A) An interface describes a set of methods that can be called on an object, providing a default implementation for the methods.
• B) An interface describes a set of methods that can be called on an object, without providing concrete implementation for the methods.
• C) Interfaces are useful when attempting to assign common functionality to possibly unrelated classes.
• D) Once a class implements an interface, all objects of that class have an is-a relationship with the interface type.

---

Definitions:

Correlated

When two variables are found to have a statistical relationship with each other, meaning changes in one variable are associated with changes in another.

IQ Score

A measure of a person's cognitive abilities in relation to their age group, calculated through various standardized tests.

Utility

the total satisfaction or benefit derived from consuming a good or service.

Individual's Intelligence

A measure of a person's cognitive capabilities, including the ability to learn, understand, and apply knowledge.