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 51 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
:D TYSM

amcvicar

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

NMD differences between yeast and mammals NMD differences between yeast and mammals
EEG recordings showing the differences between normal, absence seizure, and generalized tonic–clonic EEG recordings showing the differences between normal, absence seizure, and generalized tonic–clonic
Laboratory mice demonstrate that genetic differences can have profound effects on the propensity to Laboratory mice demonstrate that genetic differences can have profound effects on the propensity to
Developmental origin of different classes of fruits. Developmental origin of different classes of fruits.
Children were given the same set of concrete operations tasks five times Children were given the same set of concrete operations tasks five times
A very light ideal spring stretches by when it is used to hang a 135-N object. What is the ... A very light ideal spring stretches by when it is used to hang a 135-N object. What is the ...
Video: Male Reproductive System - The gonadotropin releasing hormone

For a complete list of videos, visit our video library