• K V Suresha

Abstract: Object-Oriented (OOD) is a programming methodology that uses objects and classes as the primary elements of software design and implementation. This approach models real-world entities as objects, encapsulating data and behavior within these objects to promote modularity, reusability, and maintainability in software systems. Object-Oriented Development (OOD) is integral to modern software engineering. It emerged to address the limitations of procedural programming by providing a more natural way to organize code. In OOD, the central concept is the “object,” which is an instance of a “class.” A class defines the properties (attributes) and behaviors (methods) that its objects will have. The concept behind object-oriented development is that an application consists of object modules (Natural subprograms) and dialog modules (Natural programs or subprograms). The object module builds an object-level interface to a complex data structure, while the dialog module communicates with the end user and invokes methods (data actions) implemented by the object module. An important aspect of object orientation and component-based, client/server development is the granularity of application components. Components with coarse granularity tend to contain large-scale, complex operations that provide much functionality from a single request. However, they usually do not allow the calling program to fine-tune the object’s behavior or request additional functionality. On the other hand, finely grained components allow greater control over how their functions are performed, but they often place an additional burden on the calling program as it has to call the object multiple times in a procedural fashion. Well-conceived objects strike a balance between these approaches to optimize ease-of-use and performance. For maximum reusability, components should achieve a separation of dialog handling from business logic. This distinction allows for consistent handling of business rules, regardless of whether the rules are enforced from a GUI dialog, a browser, a mainframe screen, or through a batch process. Similarly, by distinctly separating business logic from database access, it is much easier to change the underlying database technology without affecting the business logic within applications.

Keywords: Object-Oriented Development (OOD), Software Scalability, Software Maintenance, Polymorphism, Modular Design, Code Reusability, Software Scalability, Software Maintenance,

"Object-Oriented Development Software Engineering-An Overview ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 1, page no.646-650, January-2019, Available :http://www.jetir.org/papers/JETIR1901I89.pdf

"Object-Oriented Development Software Engineering-An Overview ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 1, page no. pp646-650, January-2019, Available at : http://www.jetir.org/papers/JETIR1901I89.pdf