What is functional interface in Java example?

Function is an interface and has been introduced in java 8. Function is a functional interface. So it can be used to accept lambda expression. Function accepts one argument and returns the result. Function interface contains one method that is apply() .6 Nis 2014

Function is an interface and has been introduced in java 8. Function is a functional interface. So it can be used to accept lambda expression. Function accepts one argument and returns the result. Function interface contains one method that is apply() .6 Nis 2014

In Java 8, Function is a functional interface ; it takes an argument (object of type T) and returns an object (object of type R). The argument and output can be a different type. Function.java.26 Şub 2020

In Java 8, Function is a functional interface ; it takes an argument (object of type T) and returns an object (object of type R). The argument and output can be a different type. Function.java.26 Şub 2020

util. function package which has been introduced since Java 8, to implement functional programming in Java . It represents a function which takes in one argument and produces a result.8 Ara 2021