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Question: What are different properties provided by Object-oriented systems ? Can you explain different properties of Object Oriented Systems? Whats difference between Association , Aggregation and Inheritance relationships?

Answer: Object Oriented Systems have following properties:

provide support for complex data types
support inheritance
provides encapsulation of data
provides extensibility of existing data types and classes
Inheritance is the process of acquiring the behavior of the inherited class and having access to its properties, methods thereby reducing the total number of lines of code.

Aggregation is a part whole relationship. eg.A document comprises of pages. (aggregation of pages)

Association is a relationship between 1 or more instances of a class.

Object Oriented Systems have following properties:

provide support for complex data types
support inheritance
provides encapsulation of data
provides extensibility of existing data types and classes
Inheritance is the process of acquiring the behavior of the inherited class and having access to its properties, methods thereby reducing the total number of lines of code.

Aggregation is a part whole relationship. eg.A document comprises of pages. (aggregation of pages)

Association is a relationship between 1 or more instances of a class.
Source: CoolInterview.com

object oriented system gives the facility of class,object,data hiding,inheritance,abstraction,encapsulation etc..

class :- its a collection of data members and member function

Object :- Real time entity

Inheritance :- One class acqire the property of another class.

Encapsulation :- A wrapping up of a data into a single unit

abstraction :- gives only the needed data


Associatation means how one class is associated with the other one
Aggregation means suppose user want to give the answer of forum than it must be the forum question than and only than answer can be given.thus this kind of relationship is aggregation
Inheritance means the one class acquire the property of another class that is parent child relationship.


Regards,
Nicku
Source: CoolInterview.com

object oriented system provide the following facilities that are the class,object,inheritance,polymorphism,overloading,data hiding etc,
Association term simply one class is associated with another,aggregation means how one class is related with another

where as inheritance means object of one class acquire the property of object of another class is called as inheritance Source: CoolInterview.com

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