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implementation of abstraction in java

 
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I want to make a simple program to show abstraction.Can anyone tell me how can i write that.
 
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It would be a good idea to start by telling us, what exactly are you having problems with.

A simple Google search returned this.
 
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The How To Ask Questions On JavaRanch FAQ suggests you should show some effort.
 
Raj Kumar Bindal
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Abstraction : Showing only essential features and hiding the background details.

So, we can say Abstraction in java is provided through abstract classes.
But how through abstract classes we can hide background details.What does it exactly mean
 
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