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Marker interfaces

 
Ranch Hand
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Why do we need marker interfaces. Instead can we not have just a final class or something ?
 
Bartender
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Sorry - what is simmilar with marker interface and final classes? How would you get a final class to serve the same purpose?
 
Sheriff
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Please SearchFirst. This question has been asked many, many times before.
 
Author
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You've been asked repeatedly to make sure and try to find answers on your own first--please, please do so.
 
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