/*** 一组相同类型的常量的集合* @author cc**/
public class EnumDemo {public static void main(String[] args) {//遍历for(WorkDay workDay:WorkDay.values()){System.out.println("序号："+workDay.ordinal());//ordinal，返回枚举常量的序号，从0开始System.out.println(workDay);//打印时调用toString()方法System.out.println("类型："+workDay.getDeclaringClass());//返回和当前枚举常量的枚举类型对应的 class对象System.out.println("name:"+workDay.name());//name方法}//switch来匹配枚举类型的常量WorkDay monday = WorkDay.MON;switch (monday) {case MON:System.out.println("周一");break;case TUE:System.out.println("周二");break;case WEN:System.out.println("周三");break;case THU:System.out.println("周四");break;case FRI:System.out.println("周五");break;case SAT:System.out.println("周六");break;case SUN:System.out.println("周天");break;default:System.out.println("不知道是周几");break;}//枚举类型中定义属性，重写构造方法，注意一定是privatefor(WorkDay1 workDay:WorkDay1.values()){System.out.println(workDay.getName()+":"+workDay.getValue());}}enum WorkDay{MON,TUE,WEN,THU,FRI,SAT,SUN;}enum WorkDay1{MON("周一",0),TUE("周二",1),WEN("周三",2),THU("周四",3),FRI("周五",4),SAT("周六",5),SUN("周天",6);private String name;private int value;public String getName() {return name;}public void setName(String name) {this.name = name;}public int getValue() {return value;}public void setValue(int value) {this.value = value;}private WorkDay1(String name, int value) {this.name = name;this.value = value;}}
}

参考https://www.cnblogs.com/jingmoxukong/p/6098351.html#%E6%A6%82%E5%BF%B5