OOPs Basics

Basic Concepts of Object Oriented Programming :

Objects

objects are the basic run-time entities , it may represent a person ,

place , bank account and a table of data.
Classes

A group of objects that share common properties for data part and function part.
Data Abstraction

it refers to the act of representing essential features without including background details or explanation.
Data Encapsulation

The wrapping up of data and function into a single unit ( class ) is known as encapsulation.
Inheritance

It is the process by which objects of one class acquire the properties of another class.
Polymorphism

the ability to take more than one form.

the feature that allows a function or operator to be give more than one definition.
Dynamic Binding

it means the code associated with a given procedure call is not known until the time of the call at run-time.
Message Passing

A message for an object is a request for execution of a procedure and therefore will invoke a function (procedure) in the receiving object that generates the desired result.

We can build programs from the standard working modules that communicate with one another, This leads to saving of development time and higher productivity.
It is possible to have multiple instances of an object to co-exist with out any interference.
It is easy to partition the work in a project based on objects.
Software complexity can be easily managed.