Library System Thesis

5136 Words Jan 30th, 2013 21 Pages
LibraTRENT INFORMATION FIRST TECHNICAL CAREER INSTITUTE
San Juan, Taytay Rizal

Object-Oriented Systems Analysis and Design:
A case in Library System

By: John Michael P. Concepcion
Submitted to: Mr. Dominic Sales

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ACKNOWLEDGEMENT

This research project would not have been possible without the support of many people.
First and foremost I offer my sincerest gratitude to my supervisor Mr. Dominic Sales who has supported me thoughout my thesis with his patience and knowledge. And for allowing the use of Computer Laboratory.

In my daily work I have been blessed with a friendly and cheerful cousins and friends who helped me in the field of data collection and programming my system.
Special thanks to my cousin and uncle Ms.
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And Nygaard (1996) said “In object-oriented programming, an information process is regarded as a system developing through transformation of its state. The substance of the process is organized as the system components, called objects. A measurable property of the substance is a property of an object. Transformation of state is regarded as actions by objects.”

Mathiasen et el. (2000) gave the following description “In many traditional Analysis and design methods, functions, data, and data flows are the key concepts”(5). The concepts are suitable for describing phenomena in offices and computerized systems. Objects, states, and behavior on the other hand, are more general concepts and are suitable for describing most phenomena that can be expressed in natural language.

Object-oriented programming (OOP) and object-oriented design (OOD) refer to a particular way of organizing programs, one which is rapidly emerging as the preferred approach for building complex software systems (Morelli, R, 2000 pg. 5). Sommerville (2001) gave the following definitions: Object-oriented analysis is concerned with developing an object-oriented model of the application domain. The identified objects reflect entities and operations that are associated with the problem to be solved. Object-oriented

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