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Can we create our own Marker Interfaces...?

 
Greenhorn
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Hi Friends,
I know that " An Interface which doesn't have any methods" is called Marker Interface.
If we create an interface without any methods, is it become a Marker Interface........?
Then what is the main purpose(Need) of Marker Interface..?



Thanks
 
Ranch Hand
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This thread can help you :Marker Interface
 
Marshal
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There is also discussion of marker interfaces in Effective Java by Joshua Bloch.
 
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Scala IntelliJ IDE Java
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See this,
 
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Building a Better World in your Backyard by Paul Wheaton and Shawn Klassen-Koop
https://coderanch.com/wiki/718759/books/Building-World-Backyard-Paul-Wheaton
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