Function Attributes (Using the GNU Compiler Collection )

Declare function name, inputs, and outputs function function Description Functional interfaces provide target types for lambda expressions and method references Each functional interface has a single abstract function In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y The set X is called the domain of the function and

function A function is a set of ordered pairs where each input relates to only one output (y