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Class or Interface for Constants

 
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Hi Ranchers,

How does it make difference if I create an Interface or Class for Constants in an application?

for example:


public interface AppConstants {
public static final String REQUEST_ATTR = "request";
public static final String SESSION_ATTR = "session";
........
........
........
}

---------- OR --------------------


public class AppConstants {
public static final String REQUEST_ATTR = "request";
public static final String SESSION_ATTR = "session";
........
........
........
}

Please share your's thoughts.
 
Marshal
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I Googled for "constant interface antipattern" and got this. Open it, use ctrl-F "constant" and you will see the answer to your question.
 
Bhagat Singh Rawat
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Campbell Ritchie wrote:I Googled for "constant interface antipattern" and got this. Open it, use ctrl-F "constant" and you will see the answer to your question.



Thank you very much Campbell !!! much appreciate it
 
Campbell Ritchie
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You're welcome.

You will now have seen, class is the answer to your problem
 
Bhagat Singh Rawat
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Campbell Ritchie wrote:You're welcome.

You will now have seen, class is the answer to your problem




Yeah!!!

Static imports - a handy way of simplifying code and avoiding interfaces full of constants

 
Consider Paul's rocket mass heater.
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