OOPS - what is difference between abstract data type and encapsulation of data?

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what is difference between abstract data type and encapsulation of data?

Total Answers and Comments: 4

Last Update: July 24, 2009 Asked by: musaib

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Submitted by: vini.rana

In abstraction we just more concentrate on the essential details of the object and we ingnore the non-essential details of the object. In encapsulation, it hide or prevent the access to non-essential details of the object.these both are realted to each other. We take an example of television. We just switch on the TV and see the programs there and change the channel continouosly. So we more concentrate on the programs, so this is abstratction. Also we don't know, simultaneously, what is internal processing running inside the TV. so this is encapsulated from us.

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ppchandak, sendkgp

August 19, 2008 03:19:46

vini.rana

Member Since: August 2008 Contribution: 8

RE: what is difference between abstract data type and encapsulation of data?

In abstraction we just more concentrate on the essential details of the object and we ingnore the non-essential details of the object. In encapsulation it hide or prevent the access to non-essential details of the object.these both are realted to each other. We take an example of television. We just switch on the TV and see the programs there and change the channel continouosly. So we more concentrate on the programs so this is abstratction. Also we don't know simultaneously what is internal processing running inside the TV. so this is encapsulated from us.

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November 29, 2008 10:39:35

achetan

Member Since: November 2008 Contribution: 1

RE: what is difference between abstract data type and encapsulation of data?

A data structure together with the actions performed on that data structure is called data encapsulation.

A data type with the actions performed on instantiations of that data type is known as abstract data type

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December 23, 2008 03:23:39

ppchandak

Member Since: December 2008 Contribution: 1

RE: what is difference between abstract data type and encapsulation of data?

Data type methods properties etc of a objects are Data Abstraction where as its implementation and functionality is hidden from other objects is Data Encapsulation.

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July 22, 2009 14:18:21

remodarling

Member Since: July 2009 Contribution: 1

RE: what is difference between abstract data type and encapsulation of data?

Encapsulation means data hiding+abstraction. In data hiding we will not allow our data to go out directly. Eg. Declaring data members as private is data hiding where as abstraction means hiding internal implementation is called abstraction.

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