Pls the error it shows me is enum is not constant...pls help me

Question

public class Program {
enum DayOfWeek {
SUNDAY;
MONDAY;
TUESDAY;
WEDNESDAY;
THURSDAY;
FRIDAY;
SATURDAY;
}
public static void main(String[] args) {
DayOfWeek d = DayOfWeek.SUNDAY;

switch (d){
case SUNDAY:
System.out.println("Work");
break;
case MONDAY:
System.out.println("Lower Work");
break;
case TUESDAY:
System.out.println("Middle of Week");
break;
case WEDNESDAY:
System.out.println("Close to weekend");
break;
case THURSDAY:
System.out.println("Weekend!!!!");
break;
case FRIDAY:
System.out.println("Sleep time");
break;
case SATURDAY:
System.out.println("Church time");
}
}
}

Answer 1

Thesmallest thanks...So silly of me😅😅