What is the intent of the singleton pattern, Basic Computer Science

Assignment Help:

QUESTION

Consider a University system which has several sub systems:

  • Student Registration
  • Module Registration
  • Time Tabling
  • Library System
  • Human Resource Management
  • Payroll
  • Accounting

(a) The library (dll) in the Payroll sub-system must make use of the library (dll) utilised by the Accounting system. However, the interface of the library used by both systems differs and they cannot be amended. You have been assigned the task of developing a small tool to allow the interaction of both libraries.
Identify and elaborate on an appropriate design pattern that is suited for this need. Give justification for your choice.

(b) Identify 2 other design patterns that can be used in the University system. Your answer should explain the use of the pattern in the context of the University system, its justification and structure or sample code for the implementation.

(c) (i) What is the intent of the singleton pattern?

(ii) Identify and illustrate how the singleton pattern can be applied in the University system.


Related Discussions:- What is the intent of the singleton pattern

Magnetic tapes and magnetic disk, Magnetic tapes and Magnetic Disk: Ma...

Magnetic tapes and Magnetic Disk: Magnetic tapes are very commonly used for storing large quantum of data for which rapid access is not necessary; specially for archival data

Unspecified bit rate, ATM Theory - Unspecified Bit Rate Is intended for no...

ATM Theory - Unspecified Bit Rate Is intended for non-real time applications, that is, those not requiring tightly constrained delay and delay variation. Examples of applications

Time and space tradeoffs in search, Time and Space Tradeoffs in search-arti...

Time and Space Tradeoffs in search-artificial intelligence: In practice, you need to stop your agent at some stage if it has not searched a solution by then. However, if we can

Utility , what are the definition?

what are the definition?

Explain the concept of linking and relocation, Question 1 Write an assembl...

Question 1 Write an assembly language program to find the highest among two numbers Question2 Draw and explain the internal architecture of 8085 briefly Question3 Explai

What is .net framework, Qestion 1 What is .Net Framework? Qestion 2 W...

Qestion 1 What is .Net Framework? Qestion 2 Write short notes on constructors and destructors Qestion 3 Explain boxing and unboxing with examples Qestion 4 What is

Source and object programs, Source and Object Programs A set of instruc...

Source and Object Programs A set of instructions in a high-level language are called “Source program”. Since high-level languages are machine independent, it is required to fir

Spreadsheet software , Spreadsheet Software : Consider the grid in Fig. ...

Spreadsheet Software : Consider the grid in Fig. 9.4. It is split into rows and columns and is a pictorial representation of a typical spreadsheet program.  Figure: Spr

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd