Java 枚举

class FreshJuice {

   enum FreshJuiceSize{ SMALL, MEDIUM, LARGE }

   FreshJuiceSize size;

}



public class FreshJuiceTest {



   public static void main(String args[]) {

      FreshJuice juice = new FreshJuice();

      juice.size = FreshJuice.FreshJuiceSize.MEDIUM ;

      System.out.println("Size: " + juice.size);

   }

}