Re: evum constructor gotcha
Actually, you picked a bad example. THE_ANSWER is a compile-time
constant and will not be initialized at all, rather, it will be used
as the compiled-in value 42.
On my system, that construct gives "Illegal forward reference," unless
I messed something else up.
You are absolutely correct. I should have tried it first.
Here's a way around it:
public enum ForwardRef
FIRST( Holder.THE_ANSWER ),
SECOND( Holder.THE_ANSWER );
static class Holder
static final int THE_ANSWER = 42;
private final int value;
private ForwardRef( int value )
this.value = value;
public int getAnswer()
public class ForwardReferee
public static void main( String  args )
for ( ForwardRef fr : ForwardRef.values() )
System.out.print( "ForwardRef."+ fr );
System.out.println( ".answer = "+ fr.getAnswer() );
$ javac -d ~/projects/testit/build/classes \
$ java -cp ~/projects/testit/build/classes \
ForwardRef.FIRST.answer = 42
ForwardRef.SECOND.answer = 42
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