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 ...

Before Java SE 8 ... the functional interface method’s throws clause must declare the same exception type or its supertype. Consider Listing 8. In this tutorial I’ve introduced you to ...

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 ...