Which of the following statements about abstract superclasses is true?

a. abstract superclasses may contain data.
b. abstract superclasses may not contain implementations of methods.
c. abstract superclasses must declare all methods as abstract.
d. abstract superclasses must declare all data members not given values as abstract.

A

Computer Science & Information Technology

You might also like to view...

On the Start menu, some items have a(n) ________, which displays a list of commands or files related to the option

A) Go List B) Open List C) Jump List D) Display List

Computer Science & Information Technology

Saving an object group as a ________ image results in a good-quality picture with a smaller file size compared to other file types

A) PNG B) TIFF C) JPEG D) Bitmap

Computer Science & Information Technology