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What is the purpose of Marker Interfaces in Java....?

 
Greenhorn
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Hi Friends,

What is the need of Marker Interface.....?
Why Marker Interfaces doesn't have any methods....?

 
Ranch Hand
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Please refer this link for Marker interface
Marker Interface
 
Rancher
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You might also want to peruse the "Search" link at the top of the page; this question has been asked many, many times. It's also got an FAQ entry: http://faq.javaranch.com/java/JavaIntermediateFaq#marker
 
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