Anytime we pass an interface with a method implementation to another method in Java, we are using the concept of a callback function. In the following code, we will pass the Consumer functional ...

This ability to implicitly treat instance methods as functions accepting their ... Here’s how to do it using a method reference: import java.util.List; import java.util.Arrays; public class ...

If you want to master functional programming, the best place to start is with the Java Function interface. This example will show you four different ways to implement this functional interface in your ...

Here is the functional Consumer interface example implemented using a somewhat verbose lambda expression: The functional Consumer interface is used extensively across the Java API, with a number of ...