1. public class Main {
    2.     public static void main(String[] args) {
    3.         Weekday day = Weekday.SUN;
    4.         if (day.dayValue == 6 || day.dayValue == 0) {
    5.             System.out.println("Work at home!");
    6.         } else {
    7.             System.out.println("Work at office!");
    8.         }
    9.     }
    10. }
    12. enum Weekday {
    13.     MON(1), TUE(2), WED(3), THU(4), FRI(5), SAT(6), SUN(0);
    15.     public final int dayValue;
    17.     private Weekday(int dayValue) {
    18.         this.dayValue = dayValue;
    19.     }
    20. }
    1. public class Main {
    2.     public static void main(String[] args) {
    3.         Weekday day = Weekday.SUN;
    4.         System.out.println(day.dayValue);
    5.         System.out.println(day.chinese);
    6.         if (day.dayValue == 6 || day.dayValue == 0) {
    7.             System.out.println("Today is " + day + ". Work at home!");
    8.         } else {
    9.             System.out.println("Today is " + day + ". Work at office!");
    10.         }
    11.     }
    12. }
    14. enum Weekday {
    15.     MON(1, "星期一"), TUE(2, "星期二"), WED(3, "星期三"), THU(4, "星期四"), FRI(5, "星期五"), SAT(6, "星期六"), SUN(0, "星期日");
    17.     public final int dayValue;
    18.     private final String chinese;
    20.     private Weekday(int dayValue, String chinese) {
    21.         this.dayValue = dayValue;
    22.         this.chinese = chinese;
    23.     }
    25.     @Override
    26.     public String toString() {
    27.         return this.chinese;
    28.     }
    29. }