OOP - Benefits and advantages of OOP

Benefits and Advantages of
OOP
List of a few benefits
22-Dec-14 Mudasir Qazi - mudasirqazi00@gmail.com 1

Contents / Agenda
• List
• details

List
• Here is a list of few advantages of OOP
1. Simplicity
Software objects model real world objects, so the complexity is reduced and the program structure is very
clear. It is easy to partition the work in a project based on objects. Software complexity can be easily
managed.
2. Modularity
Each object forms a separate entity whose internal workings are decoupled from other parts of the system.
We can built programs from standard working modules that communicate with one another rather than,
having to start writing the code from scratch. This leads to saving of development time and higher
productivity.
Object-oriented programming is modular, as it provides separation of duties in object-based program
development. It is also extensible, as objects can be extended to include new attributes and behaviors.
Objects can also be reused within an across applications. Because of these three factors – modularity,
extensibility, and reusability – object-oriented programming provides improved software-development
productivity over traditional procedure-based programming techniques.
3. Modifiability
It is easy to make minor changes in the data representation or the procedures in an OO program. Changes
inside a class do not affect any other part of a program, since the only public interface that the external
world has to a class is through the use of methods.

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4. Re-usability
Objects can be reused in different programs. Reuse enables faster development. Object-oriented
programming languages come with rich libraries of objects, and code developed during projects
is also reusable in future projects.
5. Inheritance
Through inheritance, we can eliminate redundant code and extend the use of existing classes.
6. Abstraction
The principle of data hiding helps the programmers to built secure program that can’t be invaded
by code in other parts of the program. Also it helps to just ignore the internal complexities and
work with black boxes that work great.
7. Up gradation
Object-oriented systems can be easily upgraded from small to large system.
8. Layers
Message passing technique for communication between objects make the interface descriptions
with external system much simpler.

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9. Lower cost of development
The reuse of software also lowers the cost of development. Typically, more effort is put into the
object-oriented analysis and design, which lowers the overall cost of development.
10. Higher-quality software
Faster development of software and lower cost of development allows more time and resources
to be used in the verification of the software. Although quality is dependent upon the experience
of the teams, object-oriented programming tends to result in higher-quality software.
11. Extensibility
Adding new features or responding to changing operating environments can be solved by
introducing a few new objects and modifying some existing ones.
12. Maintainability
Objects can be maintained separately, making locating and fixing problems easier. Debugging a
code is also made simple.

OOP - Benefits and advantages of OOP

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