Any method you can conjure up takes an object and returns an object that fulfills the Java Function contract. How to use Java’s Function interface. For this Java Function interface example, we will ...

Many core Java classes and objects implement the Comparable interface, which means we don’t have to implement the compareTo() logic for those classes. Here are a few familiar examples: String ...

Lambda and Consumer interface example. As you can see, there is nothing special about the interfaces defined in the java.util.function package. They are regular Java interfaces that comply with all of ...

In this Java tutorial, you’ve learned how to use class field initializers and class initialization blocks to initialize classes, and how to use constructors, object field initializers, and ...

Java is one of the most in-demand programming languages in the world and one of the two official programming languages used in Android development (the other being Kotlin). Developers familiar ...