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 ...

However, Java refers to class libraries as packages. This article explores packages; I show you how to create packages of classes and interfaces, how to import (that is, bring into a program ...

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs. Abstract classes ...