David, I'm snowed in today here in Pennsylvania, so I can't go out and get that book :)

Can you enumerate some of the reasons Bloch advocates this? It seems like a reasonable thing to suggest, I'd like to know his rationale for it though.

--
Frank W. Zammetti
Founder and Chief Software Architect
Omnytex Technologies
http://www.omnytex.com

David Bolsover wrote:
It is worth taking a look at the excellent book 'Effective Java' by Joshua
Bloch - he outlines a number of reasons for avoiding the constant interface
pattern and instead advocates the use of a constant utility class as in..

public class MyInterface {
    public static final String YES = "yes";
}

db


-----Original Message----- From: Carl Smith [mailto:[EMAIL PROTECTED] Sent: 22 January 2005 15:50 To: user@struts.apache.org Subject: constants interface


In Java, sometimes you would define an interface containg the constants:

public interface MyInterface {
    public static final String YES = "yes";
}

To access the contants, there are two ways

public class WayOne {
    public void myMethod(){
           String yes = MyInterface.YES;
           //...
    }
}

public class WayTwo implements MyInterface {
    public void myMethod(){
           String yes = YES;
           //...
    }
}

I am asking which one is better? Or they are Ok and depend on the developer
's flavor?



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