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Date:	Mon, 13 Jul 2009 17:31:22 -0500
From:	Weiqi Gao <weiqigao AT gmail DOT com>
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Subject:	Re: Cygwin and Java
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M.K. Choy wrote:
> Hi,
> 
> I wrote a class file ComeAgain.java with Emacs in Cygwin:
> 
> public class ComeAgain
> { private static int n;
>     public static void main(String[] args)
>    { n = 57;
>      System.out.printf("Come in number %d please%n", n);
>    }
> }
> 
> I compiled the script successfully with "javac ComeAgain.java" in 
> Cygwin. But when I try to invoke with "java ComeAgain", I got an error 
> message:
> 
> Exception in thread "main" java.lang.NoClassDefFoundError
> 
> Do you have any idea why?

Try

   java -cp . ComeAgain

If that works, then you have a problem with your CLASSPATH environment 
variable setting---it needs to include the current directory "."

If that doesn't work, then you may have saved your *.java file in the 
wrong case.  mv it to a different name and then mv it back with the 
proper capitalization, then recompile and rerun.

HTH,
-- 
Weiqi Gao
weiqigao AT gmail DOT com
http://www.weiqigao.com/blog/

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