If the elements of an enumerated type are used primarily in sets, it is traditional to use the int enum pattern (Item 34), assigning a different power of 2 to each ...
When binding properties to type EnumSet, there is a failure with "Cannot create EnumSet for unknown element type" as the cause. Stack trace is as follows: Caused by: java.lang.IllegalArgumentException ...
As their names imply, EnumSet implements Set and EnumMap implements Map, so they can generally be used anywhere those interfaces apply and generally support the methods and contracts of those ...