Combinatorial enumeration and pattern avoidance represent a vibrant area of modern discrete mathematics, where the objective is to count and characterise structures subject to specific constraints.

An enumerated type specifies a set of related constants as its values. Examples include the days in a week, the standard north/south/east/west compass directions, a currency’s coin denominations, and ...

Get the scoop on typesafe enums and learn how to use them properly in switch statements, then get started with Java annotations and meta-annotations types like Target, which you can use to clarify the ...