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 interfaces ...

Happy (almost) New Year! We’re saying good-bye to 2013 by revisiting some of our favorite stories of the year. Enjoy. Similarly, learning how to code can be intimidating if you’ve never done it before ...

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

If you want to learn how to code, taking your first steps can be daunting, but here’s the big secret: There are plenty of free and cheap resources you can use to get all the help you need, learn new ...

Once a developer finishes writing code and it works, it can feel like the job is done. It is not. The job is over when the code is refactored and cleaned up. Developers inevitably work to a deadline ...

To a lot of non-developers, learning to code seems like an impossibly daunting task. However, thanks to a number of great resources that have recently been put online for free— teaching yourself to ...