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What are different properties provided by Object-oriented systems ?


 
Following are characteristics of Object Oriented System’s:-
Abstraction
It allows complex real world to be represented in simplified manner. Example color is abstracted to RGB.By just making the combination of these three colors we can achieve any color in world. It’s a model of real world or concept.
Encapsulation
The process of hiding all the internal details of an object from the outside world.
Communication
Using messages when application wants to achieve certain task it can only be done using combination of objects. A single object can not do the entire task. Example if we want to make order processing form. We will use Customer object, Order object, Product object and Payment object to achieve this functionality. In short these objects should communicate with each other. This is achieved when objects send messages to each other.
Object lifetime
All objects have life time. Objects are created, initialized, necessary functionalities are done and later the object is destroyed. Every object have there own state and identity, which differ from instance to instance.
 

asked Sep 13, 2013 in oops by rajesh
edited Sep 12, 2013
0 votes
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