(Solved Homework): c++ 1. (TCO 3) Which of the following about composition is true? (Points : 2)        Composition promotes code reuse.

c++

1. (TCO 3) Which of the following about composition is true? (Points : 2)

Composition promotes code reuse.
Class composition means a class contains objects from another class.
Inheritance and composition can be used together.
All of the above

Question 2. 2. (TCO 4) Select the false statement regarding inheritance. (Points : 2)

A child class can have more functionality than parent class.
A child class can itself be parent class.
Common functionality needs to be designed in the parent class.
Parent classes are usually more specific child classes.

Question 3. 3. (TCO 4) Select the parent class. (Points : 2)

Manager
Executive
Person
Staff

Question 4. 4. (TCO 4) Which of the following is not a good example of a hierarchy that could be modeled by
inheritance? (Points : 2)

Airplanes
Geometric shapes
Animals
Prime numbers

Question 5. 5. (TCO 4) Which of the following examples represent the “is-a” relationship in the parent/child format? (Points : 2)

person/employee
person/student
student/international student
All of the above

Question 6. 6. (TCO 3) Which of the following are the benefits of composition? (Points : 2)

Systems can be tested independently.
Systems can be built independently.
Systems can be maintained independently.
All of the above

Question 7. 7. (TCO 3) In object-oriented programming, inheritance is transitive; that means a child class _____. (Points : 2)

inherits only from its parent class
inherits only selected methods and fields
inherits all the methods and fields of all its ancestors
does not inherit any methods or fields

Question 8. 8. (TCO 4) What inheritance mode is the most general one? (Points : 2)

Private
Default
Public
Protected

Question 9. 9. (TCO 4) Composition is a means of allowing _____. (Points : 2)

reusability in object oriented programming
objects to communicate
identification of classes
All of the above

Question 10. 10. (TCO 6) The whole list of parent classes from which a child class is derived constitutes the _____ of the child class (Points : 2)

family
ancestors
role
subset

Expert Answer

 1.D

All of the above
Because both the inheritance and also composition can promote code reuse and also both these can be used together.

2.C
Common functionality needs to be designed in the parent class this statement represents false because it is not mandatory to write the common functionality in parent class we can also write in the child class and that child class can be act as parent class.

3.A
manager is the parent class because we can inherit all the remaining people from him he will act as parent classs.

4. A
Airplanes is not a good example of a hierarchy that could be modeled by inheritance.

5.D
“is-a” relationship satisfies all the conditions

6.D
Systems can be tested, built and can be maintained independently.

7.C
In object-oriented programming, inheritance is transitive; that means a child class inherits all the methods and fields of all its ancestors.

8.C
Public inheritance mode is the most general one because the child class can be inherit easily through out the application.

9.D
Composition is reusability in object oriented programming and also objects to communicate and identification of classes.

10.B
The whole list of parent classes from which a child class is derived constitutes the ancestors of the child class.

iWriteHomework
Order NOW for a 10% Discount
Pages (550 words)
Approximate price: -

Why Us?

Top Quality and Well-Researched Papers

All ourbpapers are written from scratch. In fact, Clients who ask for paraphrasing services are highly discouraged. We have writers ready to craft any paper from scratch and deliver quality ahead of time.

Professional and Experienced Academic Writers

Our writers keeps you posted on your papers progress - providing you with paper outline/draft. You are also at liberty to communicate directly with your writer.

Free Unlimited Revisions

If you think we missed something, send your order for a free revision. You have 10 days to submit the order for review after you have received the final document. You can do this yourself after logging into your personal account or by contacting our support.

Prompt Delivery and 100% Money-Back-Guarantee

All papers are always delivered on time, in many cases quite ahead of time. In case we need more time to master your paper, we may contact you regarding the deadline extension. In case you cannot provide us with more time, a 100% refund is guaranteed.

Original & Confidential

We use several writing tools checks to ensure that all documents you receive are free from plagiarism. Our editors carefully review all quotations in the text. We also promise maximum confidentiality in all of our services.

24/7 Customer Support

Our support agents are available 24 hours a day 7 days a week and committed to providing you with the best customer experience. Get in touch whenever you need any assistance.

Try it now!

Calculate the price of your order

Total price:
$0.00

How it works?

Follow these simple steps to get your paper done

Place your order

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Receive the final file

Once your paper is ready, we will email it to you.

Our Services

No need to work on your paper at night. Sleep tight, we will cover your back. We offer all kinds of writing services.

Essays

Essay Writing Service

No matter what kind of academic paper you need and how urgent you need it, you are welcome to choose your academic level and the type of your paper at an affordable price. We take care of all your paper needs and give a 24/7 customer care support system.

Admissions

Admission Essays & Business Writing Help

An admission essay is an essay or other written statement by a candidate, often a potential student enrolling in a college, university, or graduate school. You can be rest assurred that through our service we will write the best admission essay for you.

Reviews

Editing Support

Our academic writers and editors make the necessary changes to your paper so that it is polished. We also format your document by correctly quoting the sources and creating reference lists in the formats APA, Harvard, MLA, Chicago / Turabian.

Reviews

Revision Support

If you think your paper could be improved, you can request a review. In this case, your paper will be checked by the writer or assigned to an editor. You can use this option as many times as you see fit. This is free because we want you to be completely satisfied with the service offered.

× Contact Live Agents