Enum in java is a data type that contains fixed set of constants. It can be used for days of the week (SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY and SATURDAY) , directions (NORTH, SOUTH, EAST and WEST) etc. The java enum constants are static and final implicitly.Can I add function to enums in Java?
Java enum fields can store functions. In concert with lambdas, you can create clean, safe enum-specific implementations of a function, and enforce them at compile time (as opposed to using switch ). Here is the GitHub repo for this example.