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Marker/Tag interfaces.

 
jose chiramal
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Why do we have marker interfaces, whats the use since they do not have anything(nethods,variables) inside them.

We need to implement the marker interfaces like Serializable,Cloneable etc .
Internally do these interfaces do anything may be use pointers or references or sthg thats not visible to the outside world ?

Thanks
 
Ankit Garg
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There are lots of articles on this on the internet like these: Purpose of Marker Interfaces, Marker Interface Pattern, Marker interfaces in java...
 
I agree. Here's the link: http://aspose.com/file-tools
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