Question: What is the primary purpose of the Singleton design pattern? A . To enhance class inheritance. B . To create multiple instances of a class.

What is the primary purpose of the Singleton design pattern?
A.To enhance class inheritance.
B.To create multiple instances of a class.
C.To restrict the instantiation of a class to a single instance.
D.To implement the Observer pattern.
which option is correct?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

What is the primary purpose of the Singleton design pattern? To restrict the instantiation of a class to a single instance. 5 To implement the Observer pattern. To create multiple instances of a...

Q:

In a Hopfield neural network configured as an associative memory, with all of its weights trained and fixed, what three possible behaviours may occur over time in configuration space as the net...

Q:

Let i and j be positive integers. (i) Prove that there exist natural numbers a and b such that ai = bj+gcd(i, j). You may use standard results provided that you state them clearly. [4 marks] (ii) Let...

Q:

(iii) Now express your decision rule instead using only the quantities p(Ck), p(Cj ), p(x|Ck), p(x|Cj ), and relate it to the diagram above. [2 marks] (iv) If the classifier decision rule assigns...

Q:

Goals: 1. Perform use-case analysis techniques to discover and specify the conceptual classes. 2. Use design principles to translate conceptual class design into an appropriate set of abstract and...

Q:

Grading Rubric Course: MT460 Unit: 7 Points: 45 _________________________________________________ Unit 7: Corporate Social Responsibility and Business Ethics Case Study Analysis Paper: Prepare a case...

Q:

Greenfoot project in java for exercise 10.49, you need to display the volume either in a vertical bar or a horizontal bar. This volume bar is for display volume only, and nothing should happen if you...

Q:

Part II. Java Application: Use the code you submitted in the Project One Milestone to continue developing the game application in this project. Be sure to correct errors and incorporate feedback...

Q:

Side panel CAT 2 Time left 0 : 4 5 : 1 6 Question 1 Not yet answered Marked out of 1 . 0 0 Flag question Question text Which UML diagram is used to depict the dynamic behavior of a system, focusing...

Q:

Side panel CAT 2 Time left 0 : 3 2 : 4 3 Question 1 Not yet answered Marked out of 1 . 0 0 Flag question Question text Which UML diagram is used to depict the dynamic behavior of a system, focusing...

Q:

1 -2 Consider the matrix A = 3 -2 -5 -1 9. (a) Is A invertible? Why or why not? If A is invertible, find the inverse A-l of A. (b) Find the LU factorization of A. (c) Let B and C be two 3 x 2...

Q:

Refer to the International Journal of Obesity (Jan. 2007) study of the physiological changes that accompany laughter, presented in Exercise. Recall that pairs of subjects watched film clips designed...

Q:

Pass - through income accrues Social Security benefits for its recipient. True False

Q:

Seved Help 14 Wisconsin Snowmobile Corp. is considering a switch to level production Cost efficiencies would occur under level production, and aftertax costs would decline by $31,500, but inventory...

Q:

Holding national saving constant, does an increase in net capital outflow increase, decrease, or have no effect on a countrys accumulation of domestic capital?

Q:

An article in USA Today (December 16, 2004) began President Bush said Wednesday that the White House will shore up the sliding dollar by working to cut record budget and trade deficits. a. According...

Q:

International trade in each of the following products has increased over time. Suggest some reasons this might be so. a. wheat b. banking services c. computer software d. automobiles