An Overview of Object-Oriented Systems Development

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2010

An Overview of Object-Oriented ObjectSystems Development
Adri Jovin J.J. PG Scholar/HBS Department of Information Technology Anna University of Technology,Coimbatore

Introduction
‡ Software Development
± A Dynamic Process ± Comprises of all activities that go into producing an information systems solution ± Series of processes (Analysis,Modeling, Design, Implementation and Testing) leading to development of Application

Why Object-Orientation? Object‡ High Level of Abstraction ‡ Seamless transition among different phases of software Development ‡ Encouragement of Good Programming Techniques ‡ Promotion of Reusability

Unified Approach
‡ Based on Methodologies by Booch, Rumbaugh and Jacobson along with Object Management Group s Unified Modeling Language (UML) ‡ UML- set of notations and conventions used to describe and model an application ‡ Advantage- Dynamic and can grow

Layered Architecture
‡ Allows to create objects that represent tangible elements of the business ‡ Independent of representation ‡ 3 layers
± View or User Interface layer ± Business Layer ± Access Layer

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