Devry CIS 247 Week 4 Quiz Latest

Description

Devry CIS 247 Week 4 Quiz Latest

1. 1.Question : (TCO 3) Which statement is true regarding the principles of an object-oriented language?

Persistence is not an optional object-oriented language requirement.

All methods should be public when declare inside a class.

Encapsulation means hiding data in a class from other classes.

Class attributes should be global so all elements of the program can see them.

Question 2. Question : (TCO 3) When would a programmer write more than one constructor?

You never have more than one constructor

The constructor cannot be overloaded

So objects can be treated the same way as variables of built in data types

None of the above

Question 3. Question : (TCO 3) Which of the following might be potential class(es) in an application?

1. A.CheckingAccount
2. B.Customer
3. C.Deposit

A and B

None of the above

Question 4. Question : (TCO 3) Why do classes need to collaborate with each other?

1. A.Most classes do not exist in isolation.
2. B.Classes need to interact with other classes to exchange data.

None of the above

Both A and B

Question 5. Question : (TCO 3) Assume you have an Employee class with a non-static attribute named salary. If you create ten objects of this class, how many copies of the salary variable will you have?

2

10

An unlimited number

None of the above

Question 6. Question : (TCO 3) What does SOW stands for in the object-oriented design process?

Sequence of work

Structure of work

Statement of work

None of the above

Question 7. Question : (TCO 3) In the object-oriented design process, which of the following is true?

The cost of a design change in the implementation phase is very low.

The cost of a requirement/design change in the design phase is very high.

The cost of a design change after the deployment phase is astronomical .

All of the above

None of the above

Question 8. Question : (TCO 3) To _____ an object is to create it.

instantiate

encapsulate

abstract

overload

Question 9. Question : (TCO 3) Every object of the same class _____.

gets a copy of every instance variable only

gets a copy of every instance variable and method

gets a copy of every method only

None of the above

Question 10. Question : (TCO 3) Classes do not have the ability to _____.

encapsulate data.

enforce information hiding

contain both data and functions

know how other classes are implemented

DeVry Courses helps in providing the best essay writing service. If you need 100% original papers for Devry CIS 247 Week 4 Quiz Latest, then contact us through call or live chat.

Devry CIS 247 Week 4 Quiz Latest