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BOOK: Beginning Visual C# 2005
This is the forum to discuss the Wrox book Beginning Visual C# 2005 by Karli Watson, Christian Nagel, Jacob Hammer Pedersen, Jon D. Reid, Morgan Skinner, Eric White; ISBN: 9780764578472
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Old April 16th, 2007, 10:28 AM
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Default abstraction & encapsulation

what is the difference between abstraction and encapsulation ?
     please anybody explain me with practical implementation

    I am new one to programming language.So, I chosen c # to get into programming.I studied this book, but i con't understand every thing so i started rereading this book from the beginning .I hope this time my doubts will clear on this forum.

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Old April 17th, 2007, 06:23 AM
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 encapsulation is the process of hiding data. this is ok, but i found another definnition i.e.
    binding data with related sub programmes as one unit this is called data encapsulation. practical implementation is class.

please anybody give me clear idea.

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Old June 11th, 2007, 02:34 AM
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Data abstraction in OOPs is the concept of abstracting(avoid to show) the implemetaion to the user.Just it gives the functional description but not the implementaion part.

For example : take an abstract class or an interface it gives the user some method descriptions(names). but not the internal implementaion. by calling these methods he will get the functionality.(This is much used in distributed applictions).

Whare as Encapsulation in OOPs is process of hiding or i can say securing data from outside functions. The data is strictly binded with function members declared in the same class. i.e by using this functions only u can manipulate the data. but not directly with external functions.

For example in C# we can use properties insde the class to manipulte or access the private data declared in the same class. but not from outside functions.


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