This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Define the differences between abstract and concrete classes. What will be an ideal ... (Read 55 times)

cabate

  • Hero Member
  • *****
  • Posts: 537
on: Jul 7, 2018
Define the differences between abstract and concrete classes.
 
  What will be an ideal response?

Question 2

________ specifies how the behavior of the system must be tailored to the level of its users' expertise.
 
  A) Reliability
  B) Testability
  C) Usability
  D) Maintainability


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tennis14576

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 7, 2018
Answer to Question 1

In the hierarchy of superclasses and subclasses, some classes can be instantiated into actual (real or virtual) objects, while others cannot. Those that can be instantiated are called concrete classes; those that cannot be are abstract classes.

Answer to Question 2

C


cabate

  • Member
  • Posts: 537
Reply 2 on: Jul 7, 2018
YES! Correct, THANKS for helping me on my review

strudel15

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

NMD differences between yeast and mammals NMD differences between yeast and mammals
Genetic differences between humans, Neadertals, and chimps. Genetic differences between humans, Neadertals, and chimps.
Classes of Levers Classes of Levers
Wall painting with giraffes, zebra, eland, and abstract shapes, San people, Inanke Cave, Matobo ... Wall painting with giraffes, zebra, eland, and abstract shapes, San people, Inanke Cave, Matobo ...
Structural classes of neurons. Structural classes of neurons.
How Rh differences can complicate pregnancy. How Rh differences can complicate pregnancy.
Video: Immune responses Animation

For a complete list of videos, visit our video library