Enums are predefined place holders in Java. Knowing the contents of an enum will be handy in many instances.
Take a look at how to navigate the elements of an enum:
public class NavigatingAnEnum
{
public static void main(String args[])
{
NavigatingAnEnum navigatingAnEnum = new NavigatingAnEnum();
navigatingAnEnum.proceed();
}
enum Criteria {
LOW,
MEDIUM,
HIGH
}
private void proceed()
{
System.out.println("Elements of the enum Criteria...");
for (Criteria criteria : Criteria.values()) {
System.out.println(criteria);
}
}
}
/*
Expected output:
[root@mypc]# java NavigatingAnEnum
Elements of the enum Criteria...
LOW
MEDIUM
HIGH
*/