Example of an enum class.

Enum.java

public enum DayOfWeek {
    MONDAY(1,true),
    TUESDAY(2,true),
    WEDNESDAY(3,false),
    THURSDAY(4,false),
    FRIDAY(5,true),
    SATURDAY(6,false),
    SUNDAY(7,true);
    
    private final boolean sunny;
    private final int dayOfWeek;
    
    DayOfWeek(int dayOfWeek, boolean sunny) {
        this.sunny = sunny;
        this.dayOfWeek = dayOfWeek;
    }

    public boolean isSunny() {
        return sunny;
    }

    public int getDayOfWeek() {
        return dayOfWeek;
    }
}