Now let’s look at a few examples of the callback concept in code. Anytime we pass an interface with a method implementation to another method in Java, we are using the concept of a callback ...

In this functional programming tutorial, we will work through a Java Supplier interface example. Java’s functional supplier interface can be used any time a function needs to generate a result without ...

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 ...