What is an application programming interface (API) and how can it help reporters gather information online? Data journalist Paul Bradshaw explains how to use this tool in your next investigation.

This project was to make an automated teller machine with a modern-looking user interface where users can create an account by entering their full name, username, email, and password. Then if the user ...

If you’ve read my Java 101 tutorial introducing static classes and inner classes, you should be familiar with the basics of working with nested classes in Java code. In this Java tip, you’ll ...

Java interfaces are different from classes, and it’s important to know how to use their special properties in your Java programs. This tutorial introduces the difference between classes and ...

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 ...

In this step-by-step tutorial, we showed developers how to install the Checkstyle plugin for Eclipse. The plugin lets them take advantage of static code analysis integration in the early stages of the ...

When adding a static method to an interface (java 8) for using in an expression the decorator created will try to override it and calling it using the mapper interface instance given to the decorator.

Interfaces always contained only method declaration and there was no way of defining method definition in the interfaces because java did not allow multiple inheritance of classes. java only allowed ...