public enum Spiciness{//枚举类型

NOT,MILD,MEDIUM,HOT,FLAMING

}

public static void main(String[] args){

//values 枚举集合

// ordinal 序列

Spiciness howHot=Spiciness.FLAMING;
System.out.println(howHot);
for(Spiciness s:Spiciness.values()){
System.out.println(s+". ordinal "+s.ordinal());
}
}

枚举类型