枚举之前很少用,都是用常量来表示客观的可枚举不可变实例,难免不方便开发和维护,mark下这个类型,会有帮助
public class EnumStudy {
public static void main(String[] args) {
Gender g = Gender.hybrid;
switch(g){
case male:
System.out.println("brave & strong");
break;
case female:
System.out.println("nice & weak");
break;
case hybrid:
System.out.println("nothing to say");
break;
}
}
private enum Gender{
male, female, hybrid
}
}