ItemTier
Importing the class
It might be required for you to import the package if you encounter any issues (like casting an Array), so better be safe than sorry and add the import at the very top of the file.
Implemented Interfaces
ItemTier implements the following interfaces. That means all methods defined in these interfaces are also available in ItemTier
Enum Constants
ItemTier is an enum. It has 6 enum constants. They are accessible using the code below.