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can any one explain me how interfaces provides encapsulation ?

 
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can any one explain me how interfaces provides encapsulation
my miss says me :
when you write some thing like // where Shape is an interface , it actually provides encapsulation because user can only see that s is of type Shape and not which object is getting created .

totally i didnt get that at all
 
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Interface don't provide encapsulation. They can provide flexibility and information-hiding.
 
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Interfaces are also Java's way of dealing with the issues surrounding multiple-inheritance, such as those experienced by C++ (i.e. the "diamond" problem").
 
naved momin
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Wouter Oet wrote:Interface don't provide encapsulation. They can provide flexibility and information-hiding.


how ??? please show with eg :
thanks for the reply
 
Wouter Oet
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Just search for those terms, you'll find a ton of information.
 
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