Enumeration - Provide clean enum class to define the constant enumeration lists.
public class week {
public enum Weekday {MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY}
public enum Weekend {SATURDAY, SUNDAY}
private final Weekday wkday;
private final Weekend wnday;
}
ForLoop - Provide clean syntax for readability and usability.
List<Integer> dataList;
for (Integer data : dataList) {
system.out.println(data.intValue());
}