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  #1  
Old 08-12-2009
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Join Date: Nov 2009
Posts: 74
What does OOPS concepts comprises?

Hi All,


I just completed the procedure oriented programing and going tom start the object oriented programming. Before that I want to be aware about What does OOPS concepts comprises?.

If anyone has the sound knowledge about the OOPs concept then please let me know.

I would appreciate your help.
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  #2  
Old 08-12-2009
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Join Date: May 2008
Posts: 2,293
Re: What does OOPS concepts comprises?

Hi friend,

OOPs comprises the below some concepts:

*.Instance :
We are able to define the an instance of the object or of the class. The class object which is created while the execution of the program is referred as "Instance".

*. Object :
Object is nothing but the entity of the class . see the example, A "Dog" is a class which describes all behaviors which they have. The "Pug" object is of type "Dog".
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  #3  
Old 08-12-2009
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Join Date: Oct 2005
Posts: 2,389
Re: What does OOPS concepts comprises?

Hi,

The object oriented programming comprises following concepts:


1. Inheritance:
Using this concept the re-usability of the code can be achieved in the object oriented programming

2. Objects:It is class entity.

3. Data Abstraction and Encapsulation: It includes data hiding.

4. Polymorphism

5. Message passing

6. Classes: It is the heart of the object oriented programming.
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  #4  
Old 08-12-2009
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Join Date: May 2008
Posts: 2,383
Re: What does OOPS concepts comprises?

Hi,

*.We can declare any number of the class object for a single class. Methods in the object oriented programming are communicate with each other by passing message through class object.

*. "Bottom up approach" is followed in the object oriented programming. We are not able to externally access the data of the class without any proper variable scope.

I hope this may help you.
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