enum in java

1public class DaysOfTheWeek {
2
3    public enum Days {m, t, w, r, f, sat, s};
4  	    public static void main(String[] args) {
5          Days d = Days.t; 
6          System.out.println(d);
7          //the output would be t
8        }
9}

1public enum AlertLevel {
2	Undefined(0),
3	Ok(1),
4	Warning(2),
5	Alarm(3);
6}

1private enum VarState {
2	INIT, 
3	TRUE, 
4  	FALSE,
5	UNSATISFIABLE 
6}

1public enum Level {
2    HIGH{
3        @Override
4        public String asLowerCase() {
5            return HIGH.toString().toLowerCase();
6        }
7    },
8    MEDIUM{
9        @Override
10        public String asLowerCase() {
11            return MEDIUM.toString().toLowerCase();
12        }
13    },
14    LOW{
15        @Override
16        public String asLowerCase() {
17            return LOW.toString().toLowerCase();
18        }
19    };
20
21    public abstract String asLowerCase();
22}
23

1enum Level {
2  LOW,
3  MEDIUM,
4  HIGH
5}
6