Static Enums

[Gabriel Fairbanks]

Hi,

I'm reading the K&B Java 5 Study Guide and I have a doubt. If I declare an ENUM inside a class, I can use the static modifier, but if I declare an ENUM outside, I still could use that ENUM inside a static method? (I know that I can't mark an outside ENUM as static).

Thank's

Gabriel Fairbanks

[Burkhard Hassel]

Hi cowboys,



yes you can use enums outside a class like a normal class


Example:

class Main {
static Plant planta;
Plant nonstatic;
public [B]static[/B] void main(String... args) {
System.out.println(Animal.CORAL);
System.out.println(planta.DAISY);
System.out.println(Main.planta.ALGA);

//the next won't compile:
//System.out.println(nonstatic.ALGA);
//Cannot make a static reference to the 
//non-static field nonstatic
}
}
//outside
enum Animal {DOG, CAT, CORAL}
enum Plant {PALM, DAISY, ALGA}

Prints out
CORAL
DAISY
ALGA



Yours,
Bu.

[Gabriel Fairbanks]

Thank you for the reply. The book don't mention that! I'll create some code to better understand that topic.

Thanks again!

Gabriel